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Lockheed Patents
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Lockheed Aircraft Patents


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Our treatment of aircraft began as an account of my trials and tribulations in building a 1948 airplane model kit. Since then, we have developed a wealth of patent diagrams for historic aircraft and found that the page was very slow in loading. On November 25, 2009 we split the material into six segments, corresponding to the six boxes or "buttons" below. If you came in from a search engine looking for something very specific, click here for the Analytical Index that will enable you to find a specific topic.

This is the Lockheed Page - click on a button if you want to go someplace else.

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Those of you who don't like buttons, may go to our analytical index to find just what you're looking for.

Here is a guide to the contents of this page.

Lockheed Patents

This is part of a general Retro Lifestyle/Swing Dancing website. We have a Guide to 1940s Treasures and a Swing Dance Calendar for Washington DC.. Please feel free to Contact Us if you'd like to comment on the golden age of balsa wood models.



The Lockheed Corporation



Allan and Malcolm Loughead (pronounced "Lockheed") founded the Loughead Aircraft Manufacturing Company at Santa Barbara, California, in 1916 and built flying boats and biplanes. Moving to more phonetic spelling, the brothers incorporated The Lockheed Aircraft Company of Hollywood in 1926 and built a number of transport and single seat airplanes. In 1929 Lockheed became part of the Detroit Aircraft Corporation, a multicompany body that went bankrupt in 1931. The Lockheed brothers left the company, formed Lockheed Brothers Aircraft Corporation Company and launched a new series of twin-engined transports, starting with the Lockheed 10A Electra. The RAF bought 250 bomber variants of the Electra, called Hudson.

In 1939, C. L. Johnson designed the Constellation, a long-range transport that became the backbone of US airlines in the 1940s and early 1950s. The C-130 Hercules tactical military turboprop transport, the larger C- 141 StarLifter transport and C-5A Galaxy represent the evolution of Lockheed designs in transport aircraft culminating in the L1011 Commercial airliner

The Lockheed P-38 Lightning of 1939, had worldwide use, mainly as ground-attack and fighter-bomber. Lockheed made the first U.S. jet fighter (the P-80 Shooting Star and built the F-104 of Vietnam war fame as the first fighter capable of sustained Mach 2.0

Lockheed's secret "Skunk Works" at Palmdale, California, was responsible for the U-2 spyplane and the SR-71A Blackbird Mach 3+ strategic reconnaissance aircraft. The facility als developed the F-117A stealth fighter for subsonic night attack.

In March 1995 Lockheed Corporation merged with Martin Marietta to form present Lockheed Martin Corporation.



Lockheed Model 10 "Electra" Airliner

Lockheed's first major move towards becoming a significant manufacturer of transport aircraft came with design of the Lockheed 10 Electra. Providing accommodation for 10 passengers, the Electra was a cantilever low-wing monoplane of all-metal construction. The Electra entered service during 1934, initially with Northwest Airlines, and in the late 1930s was used by eight American operators.

 Lockheed Model 10 Electra

Lockheed Model 10 "Electra"
Click to Enlarge

. Small numbers also saw service in the Spanish Civil War.

Lockheed Model 10 Electra Design Patent D-92,654      Lockheed Model 10 Electra Design Patent D-92,654

Patent Diagrams for the Lockheed "Electra"
Design Patent D-92,654
Click to Enlarge

Click Here to learn how to get free patent diagrams

In 1938, Howard Hughes flew a specially modified Lockheed Electra around the world in 91 hours. We were pleased to find a complete contemporary account of this flight in Popular Mechanics:

 Howard Hughes Round the world flight Lockheed electra Popular Mechanics September 1938

Howard Hughes' Round-the-World Flight
Popular Mechanics September, 1938
Click Here to download a free copy of the "Round the World in 91 Hours"
Click to Enlarge


Later, Amelia Earhart tried to reproduce Hughes' flight in an Electra but was lost over the Pacific. With the outbreak of World War II the Electra was convverted to the Hudson bomber the Royal Air Force and Royal Canadian Air Force

 Lockheed Hudson Bomber Popular mechanics August, 1938

Lockheed converted to Hudson Bomber
Popular Mechanics August, 1939
Click to Enlarge


Here is a video showing a restored Lockheed Electra.



Click Here for more information about the Lockheed "Electra".



Lockheed "Constellation" Airliner

Design of the Lockheed L-49 began in 1939 to meet the requirement of Pan American Airways and Transcontinental & Western Air (which became Trans World Airlines or TWA), for a 40-passenger airliner for use on domestic routes. With the outbreak of World War II aircraft on the production line were commandeered for service with the USAAF as transports under the designation C-69. A total of 22 entered USAAF service.

Lockheed Model 49 Constellation      Lockheed Model L-1049 Super Constellation

The Lockheed "Constellation"
(left) Model 49 (right) Model 1049 "Super" Constellation
Click to Enlarge


In 1945, production of civil aircraft then began under the company designation L-049 Constellation, using components that had been intended for C-69s, but with civilian interiors.

TWA ad for the Lockheed Constellation

TWA Ad for the Constellation
The headroom is probably exaggerated
Click to Enlarge


The first Constellation entered service with Pan Am and TWA in late 1945

 Lockheed Model 49 Constellation Design Patent D-136,352      Lockheed Model 49 Constellation Design Patent D-136,352

Patent Diagrams for the Lockheed "Constellation"
Design Patent D-136,352
Click to Enlarge

Click Here to learn how to get free patent diagrams

Here is a video made by TWA showing behind the scenes maintenance activity required for the Constellation.

Click Here for more information about the Lockheed "Constellation".



Lockheed P-80 "Shooting Star" Fighter

The Lockheed P-80 Shooting Star was the first jet fighter used operationally by the United States Army Air Forces and saw extensive combat in Korea with the United States Air Force as the F-80. As one of the world's first successful turbojet-powered combat aircraft, it helped usher in the "jet age" in the USAF and other air forces worldwide.

On the Cover of Model Airplane News


Model Airplane News  Cover for December 1945 by Jo Kotula   Lockheed P-80 Shooting Star    Model Airplane News Cover for  March  1961 by Jo Kotula   Lockheed P-80 Shooting star and T-33 Trainer

Lockheed P-80 "Shooting Star" and T-33 Trainer
Model Airplane News Covers for December, 1945 and March, 1961
by Jo Kotula
Click to Enlarge


One of its claims to fame is in training a new generation of pilots, especially in its closely-related T-33 Shooting Star trainer development.

 Lockheed P-80 Shooting Star Jet Fighter      Lockheed P-80 Shooting Star Jet Fighter    P80 Shooting Star on the cover of LIFE Magazine August 13, 1945

Lockheed P-80 "Shooting Star"
on the cover of LIFE Magazine August 13, 1945
Click to Enlarge


The XP-80 was a conventional, all-metal airframe with a slim low wing and tricycle undercarriage (landing gear). The P-80 was the first operational jet fighter to have its engine integrated within the main fuselage. Other early jet fighters generally had two engines because of their limited power and mounted these in external pods for easier maintenance. With the advent of more powerful engines, fuselage mounting was more effective and would be used by nearly all subsequent fighter aircraft.

When the P-80 was introduced to the American public, it was an immediate success. The sculptural form of the P-80 graced the cover of LIFE Magazine on August 13, 1945. You may use this link to read the entire article (it begins on page 50). Alternatively, you can click here to download a ".pdf" of this article.

 Lockheed P-80 Shooting Star Jet Fighter Design Patent D-143,822     Lockheed P-80 Shooting Star Jet Fighter Design Patent D-143,822

Patent Diagrams for the Lockheed P-80 Shooting Star
Design Patent D-143,822
Click to Enlarge

Click Here to learn how to get free patent diagrams

The impetus behind the development of the P-80 was the discovery by Allied intelligence of the German Me 262 jet in the spring of 1943. Commanding General of the U.S. Army Air Forces Henry H. Arnold believed an airframe could be developed to accept the British-made jet engine, and the Materiel Command's Wright Field research and development division tasked Lockheed to design the aircraft. With the Germans clearly far ahead in development, Lockheed was pressed to develop a comparable jet in as short a time as possible. Kelly Johnson submitted a design proposal in mid-June and promised that the prototype would be ready for testing in 180 days. The Skunk Works team, beginning 26 June 1943, produced the airframe in 143 days, delivering it to Muroc Army Airfield on 16 November. However after the Goblin engine was mated to the airframe, foreign object damage during the first run-up destroyed the engine, delaying the first flight until a second engine could be delivered.

Here is a video about the early days of the P-80.



Eventually, the P-80 was developed into the F-94 "Starfire" the first all-weather jet night fighter. The photos and drawing below show the similarity between the P-80 and the F-94.

Lockheed F-94 Starfire        November 1952 cover of Model Airplane News, drawing of the Lockheed F-94 Starfire by Jo Kotula

The Lockeed F-94 "Starfire
right: November 1952 cover of Model Airplane News, drawing by Jo Kotula
Click to Enlarge


Click Here for more information about Lockheed P-80.



Lockheed C-130 "Hercules" Transport

The Lockheed C-130 Hercules is a four-engine turboprop aircraft that serves as the main tactical airlifter for military forces worldwide. Capable of landing and taking off from short or unprepared runways, it was designed as a troop transport and cargo aircraft, but is now also used for a wide variety of other roles, including airborne assault, weather reconnaissance, aerial refuelling, aerial firefighting and MEDEVAC. More than 40 different models of the Hercules — including several gunships — are used by more than 50 nations.

Lockheed C130 Hercules       Lockheed C130 Hercules

Real Plane

Click to Enlarge


The C-130 family has the longest continuous production run of any military aircraft in history. During more than 50 years of service, the family has established a solid record of reliability and durability, participating in military, civilian and humanitarian aid operations.

 Lockheed C130 Hercules   Design Patent D-172,969     Lockheed C130 Hercules   Design Patent  D-172,969

Patent Diagrams for the Lockheed C130 Hercules
Click to Enlarge
Click Here to learn how to get free patent diagrams

Here is a video made as a tribute to the C-130:



Click Here for more information about the Lockheed Hercules.



Lockheed F-104 "Starfighter" Fighter

On the Cover of Model Airplane News

Model Airplane News Cover for November, 1956 by Jo Kotula Lockheed F-104 Starfighter

Lockheed F-104 "Starfighter"
Model Airplane News Cover Art for November, 1956
by Jo Kotula
Click to Enlarge


The Lockheed F-104 Starfighter was an American single-engined, high-performance, supersonic interceptor aircraft that served with the United States Air Force (USAF) from 1958 until 1967. It continued in service with Air National Guard units until it was phased out in 1975.

Lockheed F104 Starfighter

Lockheed F-104 "Starfighter"
Click to Enlarge

USAF F-104Cs saw service during the Vietnam War, and F-104A aircraft were deployed by Pakistan briefly during the Indo-Pakistani wars. Republic of China Air Force F-104s also engaged the People's Liberation Army Air Force over the disputed island of Kinmen.

Lockheed F104 Starfighter Design Patent D-187,405    Lockheed F104 Starfighter Design Patent D-187,405

Patent Diagrams for the Lockheed F104 Starfighter
Design Patent D-187,405
Click to Enlarge

Click Here to learn how to get free patent diagrams

Here is a great video showing some good closeups of the F-104.



">Click Here for more information about the Lockheed F-104 "Starfighter".



Lockheed 1329 "JetStar" Transport

To meet a US Air Force requirement for an 'off-the-shelf' high-performance light transport, Lockheed developed the Lockheed 1329 JetStar, clean low-wing monoplane with swept wings and swept tail surfaces.

 Lockheed 1329 JetStar Transport

Lockheed 1329 "JetStar" Transport

Click to Enlarge


The first of two prototypes was flown on 4 September 1957, with flight testing proving satisfactory. The anticipated military demand failed to materialise in any significant numbers, with the result that the majority of the 204 JetStars that were built, before production ended in 1980, were sold as business/executive aircraft.

Lockheed 1329 JetStar Transport Design Patent D-191,243      Lockheed 1329 JetStar Transport Design Patent  D-191,243

Patent Diagrams for the Lockheed JetStar
Design Patent D-191,243
Click to Enlarge

Click Here to learn how to get free patent diagrams

Here is a video about one of the few JetStar planes still remaining in commercial service.



Click Here for more information about the Lockheed JetStar .



Aermacchi/Lockheed AL.60 "Conestoga" Light Transport

During the late 1950s the Lockheed Georgia Company, ( Marietta, Georgia) made a rare venture into the general aviation market with a light utility transport aircraft aimed specifically at South American operators.

Aermacchi-Lockheed AL.60 Conestoga

AL.60 "Conestoga"
Click to Enlarge

The one and only American-built prototype Lockheed AL.60 made its maiden flight on September 15, 1959. It was a boxy, robust, all-metal high-wing monoplane with a wide square cabin which could quickly be changed from passenger to all-cargo configuration, and tricycle landing gear which could be replaced with skis or floats for bush flying.

 Aermacchi-Lockheed AL.60 Conestoga Design Patent D-193,368    Aermacchi-Lockheed AL.60 Conestoga Design Patent

Patent Diagrams for the AL.60 "Conestoga"
D-193,368
Click to Enlarge

Click Here to learn how to get free patent diagrams

Click Here for more information about the AL.60 "Conestoga" .



Lockheed C-141 "Starlifter" Transport

The Lockheed C-141 Starlifter is a military strategic airlifter in service with the United States Air Force. Introduced to replace slower piston-engined cargo planes such as the C-124 Globemaster II, the C-141 was designed to a 1960 requirement and first flew in 1963; production deliveries of an eventual 248 began in 1965, and the aircraft is still in service almost 40 years later, although the USAF plans to withdraw the C-141 from service in 2006 when sufficient C-17 Globemaster III aircraft are available.

 Lockheed C-141 Starlifter

Lockheed C-141 "Starlifter"
Click to Enlarge

The original Starlifter model, the C-141A, could carry 138 passengers, 80 litters for wounded, or ten standard 463L pallets with a total of 62,700 pounds of cargo. The C-141 could also carry a Minuteman missile. It was soon discovered that the aircraft's volume capacity was relatively low in comparison to its lifting capacity; it generally ran out of physical space long before it hit its weight limit.

To correct this and use the C-141 to the fullest, the whole fleet of aircraft were stretched, producing the C-141B. Additional 'plug' sections were added before and after the wings, lengthening the fuselage by 23 ft 4 in and allowing the carriage of 103 litters for wounded, 13 standard pallets, 205 troops, 168 paratroopers, or an equivalent increase in other loads. Also added at this time was a boom receptacle for inflight refueling. The conversion program took place between 1977 and 1982. It was estimated that this stretching program was the equivalent of buying 90 new aircraft, in terms of increased capacity.

Lockheed C-141 Starlifter Design Patent D-193,123    Lockheed C-141 Starlifter Design Patent D-193,123

Patent Diagrams for the C-141 "Starlifter"
Design Patent D-193,123
Click to Enlarge

Click Here to learn how to get free patent diagrams

Here is a video of the Starlifter taking off.



Click Here for more information about the Lockheed C-141 "Starlifter" .



Lockheed QT-2 "Q-Star" Observation

By the mid 1960’s the USA was becoming increasingly bogged down in the conflict in Vietnam. Despite their overwhelming firepower and complete superiority in every kind of weapons system, US forces were always having great difficulty in identifying the precise location of significant numbers of Viet Cong to actually attack. The Viet Cong were well aware that they simply could not complete in a conventional war against the might of the US forces, so they relied on hit and run tactics and then melted back into the thick, almost impenetrable jungle before heavy supporting weapons could be directed onto their location. A number of aircraft were used to try and identify the location of Viet Cong formations, such as the O-1 Bird Dog, a military version of the Cessna 170, but these aircraft could easily be heard approaching Viet Cong positions, giving them plenty of time to either disappear or get ready to direct weapons at the slow-flying aircraft. After a number of Cessna O-1 Bird Dogs were lost to ground fire, faster aircraft were used in this role, but this only tended to increase the level of audible warning and the greater speed made actually spotting the Vietcong even harder.

Evolution of the Lockheed QT-2 Q-Star Observation

Evolution of the Q-Star
 Lockheed QT-2 Q-Star Observation     Lockheed QT-2 Q-Star Observation

Lockheed QT-2 "Q-Star" Observation
(left) Tuning the Prop
(right) plane covered with tufts of string to determine airflow
Click to Enlarge


Lockheed’s first proposal to build a quiet aircraft involved converting a single-seat Schweizer I-26 glider airframe by adding an air-cooled VW engine linked through a speed reduction system to the propeller. This proposal, known as the Quiet Thruster 1 (QT-1), was rejected in favour of a two-seat aircraft with a conventional aircraft engine known as the QT-2

In 1968, under Operation Prize Crew, both QT-2s were shipped to Bien Hoa, a Special Forces air base northeast of Saigon, for the next phase of the operational testing which proved even more realistic than anyone could have imagined. Whenthe Viet Cong launched the Tet offensive and during the intense fighting the QT-2 operated successfully at night without alerting the Viet Cong.

 Lockheed QT-2 Q-Star Observation Design Patent D-212,719     Lockheed QT-2 Q-Star Observation Design Patent

Patent Diagrams for the QT-2 "Q-Star" Silent Observation Plane
Design Patent D-212,719
Click to Enlarge

Click Here to learn how to get free patent diagrams

Here is a video called Taking the Night From Charlie, produced by the military that shows the "Q-Star" in action:

Click Here for more information about the Lockheed QT-2 "Q-Star".



Lockheed F-22 "Raptor" Fighter

The Lockheed Martin/Boeing F-22 Raptor is a fighter that uses stealth technology. It was designed primarily as an air superiority fighter, but has additional capabilities that include ground attack, electronic warfare, and signals intelligence roles. Lockheed Martin Aeronautics is the prime contractor and is responsible for the majority of the airframe, weapon systems and final assembly of the F-22.

 Lockheed F-22 Raptor

Lockheed F-22 "Raptor"
Click to Enlarge

The high cost of the aircraft, a lack of a clear air to air combat mission, a US ban on export of the Raptor, and the cheaper and more versatile F-35 resulted in calls to end F-22 production. In April 2009 the US Department of Defense proposed to cease placing new orders. President Obama signed the national defense authorization act for fiscal 2010 in October, without funding for F-22 production.

 Lockheed F-22 Raptor Design Patent D-332,080     Lockheed F-22 Raptor Design Patent D-332,080

Patent Diagrams for the Lockheed F-22 Raptor
Design Patent D-332,080
Click to Enlarge

Click Here to learn how to get free patent diagrams

Here is a promotional video for the Rapto, made by the Lockheed-Martin Company.



Click Here for more information about the Lockheed F-22 "Raptor" .

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