For the Inventor, By the Inventor

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Longueuil, Canada

Pratt & Whitney Canada Corp.

USPTO Granted Patents = 20

EPO Patents = 50

Forward Citations = 0

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32 inventors (with patents filed for the assignee):

Nathan Tomes (4 out of 4 patents)

Eric S Durocher (3 out of 3 patents)

Tyler Richardson (3 out of 3 patents)

4. Rachid Guiassa (2 out of 2 patents)

5. Michel Bousquet (1 out of 28 patents)

6. Andrew Ghattas (1 out of 7 patents)

7. Robert Pontarelli (1 out of 3 patents)

8. Tibor Urac (1 out of 39 patents)

9. Michel Labbe (1 out of 12 patents)

10. Panagiota Tsifourdaris (1 out of 26 patents)

11. Roberto Brito (1 out of 9 patents)

12. Daniel Alecu (1 out of 93 patents)

13. Issam Al-Khairy (1 out of 6 patents)

14. Xi Wang (1 out of 10 patents)

15. Fariba Ajalli (1 out of 3 patents)

20 patents: Sort by Forward Citations

1. 12517492 - System and method for manufacturing a part (2026-01-06),

2. 12516636 - Accommodation for mismatch in guide vane feedback via undesired engine behavior (2026-01-06),

3. 12516609 - Serviceable propeller shaft zero air gap seal (2026-01-06),

4. 12516605 - In situ balancing mass(es) for aircraft powerplant (2026-01-06),

5. 12515807 - Bolted connection between mounting bracket and aircraft engine case(s) (2026-01-06),

6. 12510249 - Auxiliary power unit with pulse detonation combustion (2025-12-30),

7. 12510082 - Impeller rotor seal runner with divergent guide surface (2025-12-30),

8. 12509988 - Turbine engine airfoil (2025-12-30),

9. 12509236 - Control assembly for aircraft propulsion systems (2025-12-30),

10. 12509233 - Split front housing of aircraft motor for high-power extraction for mounted external accessories (2025-12-30),

11. 12508679 - System and method for repairing a housing for a gearbox (2025-12-30),

12. 12508622 - Internal surface treatment device for hollow engine shaft and the like (2025-12-30),

13. 12503975 - Housing assembly for rotary engine and method of manufacturing thereof (2025-12-23),

14. 12503961 - Slip based radial bearing support (2025-12-23),

15. 12503960 - Buckling spoked frangible bearing support (2025-12-23),

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

20 Patents

#3 in Longueuil, Québec J4G 1A1

#686 in Canada

#30,364 in the World

Longueuil, Canada

Pratt & Whitney Canada Corp.

Forward Citations = 0

32 inventors:

Nathan Tomes (4 out of 4 patents)

Eric S Durocher (3 out of 3 patents)

Tyler Richardson (3 out of 3 patents)

4. Rachid Guiassa (2 out of 2 patents)

5. Michel Bousquet (1 out of 28 patents)

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