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Essington, PA, United States of America

Piasecki Aircraft Corporation

USPTO Granted Patents = 28

Trademarks = 13

Forward Citations = 577

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17 inventors (with patents filed for the assignee):

Frank N Piasecki (12 out of 13 patents)

Frederick W Piasecki (10 out of 20 patents)

John W Piasecki (5 out of 9 patents)

4. Luigi U Ricci Moretti (4 out of 4 patents)

5. Andrew S Greenjack (3 out of 3 patents)

6. Joseph F Horn (3 out of 4 patents)

7. Donald N Meyers (3 out of 3 patents)

8. David Pitcairn (2 out of 5 patents)

9. Shane A Lewis (2 out of 2 patents)

10. Brian R Geiger (2 out of 6 patents)

11. Robert H Lewis (2 out of 2 patents)

12. Douglas R Johnson (2 out of 7 patents)

13. Dinesh Barwey (2 out of 2 patents)

14. George Luis Firpi (1 out of 2 patents)

15. Seth Kovnat (1 out of 1 patent)

28 patents: Sort by Forward Citations

1. 12110098 - Apparatus, system and method for control of electromechanical boost actuators (2024-10-08),

2. 11993391 - Apparatus, system and method for storage of hydrogen on board a hydrogen-fueled aircraft (2024-05-28),

3. 11866163 - Low-drag tail rotor for a compound aircraft (2024-01-09),

4. 11851172 - Apparatus, system and method for a supplemental wing for a rotary wing aircraft (2023-12-26),

5. 11728509 - Rechargeable high energy density magnesium / magnesium sulfide battery (2023-08-15),

6. 11682917 - Apparatus, system and method for a removable aircraft battery (2023-06-20),

7. 11554860 - Apparatus, system and method for a convertible thruster for a compound aircraft (2023-01-17),

8. 10913529 - Landing gear (2021-02-09),

9. 10835977 - Apparatus, method and system for manufactured structures (2020-11-17),

10. 10831192 - Control system for an aircraft (2020-11-10),

11. 10641290 - Ducted fan having aerodynamic features (2020-05-05),

12. 9944389 - Modular and morphable air vehicle (2018-04-17),

13. 9045226 - Modular and morphable air vehicle (2015-06-02),

14. 8863382 - Highly reliable, low cost wind turbine rotor blade (2014-10-21),

15. 8463465 - Compound aircraft control system and method (2013-06-11),

Piasecki Aircraft Corporation is a world-renowned American aerospace manufacturer that specializes in vertical lift aircraft. With a rich history dating back to 1940, Piasecki Aircraft has been at the forefront of rotorcraft innovation, delivering cutting-edge solutions to a wide range of customers including military, commercial, and industrial sectors. Their expertise lies in the design, development, and production of advanced vertical takeoff and landing (VTOL) aircraft, including helicopters and tiltrotors. Piasecki Aircraft combines decades of experience, state-of-the-art technology, and a dedicated team of engineers and technicians to provide reliable and efficient vertical lift solutions for various mission requirements.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

28 Patents

#1 in Essington, PA

#441 in Pennsylvania

#11,598 in US

#22,555 in the World

Essington, PA, United States of America

Piasecki Aircraft Corporation

Forward Citations = 577

17 inventors:

Frank N Piasecki (12 out of 13 patents)

Frederick W Piasecki (10 out of 20 patents)

John W Piasecki (5 out of 9 patents)

4. Luigi U Ricci Moretti (4 out of 4 patents)

5. Andrew S Greenjack (3 out of 3 patents)

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