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USPTO Patent Rankings Data through Dec 31, 2025
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RF

Richard Freer — 48 Patents

RTX (Raytheon): 42 patents #118 of 15,912Top 1%
NPNovartis International Pharmaceutical: 2 patents #11 of 55Top 20%
RIRhomed Incorporated: 2 patents #5 of 7Top 75%
DLDiscovery Limited: 1 patents #13 of 42Top 35%
Hamilton Sundstrand: 1 patents #1,184 of 2,079Top 60%
South Monterey Street, CA: #1 of 31 inventorsTop 4%
Overall (All Time): #57,596 of 4,157,543Top 2%
48 Patents All Time
Richard Freer has been granted 48 US patents while listed as an inventor at RTX (Raytheon). The first was granted in 1997 and the most recent in November 2025. Richard Freer ranks #57,596 of 4,157,543 US inventors in our database (top 1.4%). Patent records list Richard Freer in South Monterey Street, QC, CA.

Issued Patents All Time

Showing 1–25 of 48 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12466288 Nested control loop structure for hybrid propulsion system — 2025-11-11
12467513 Method and apparatus for actively damping vibrations in a hybrid-electric aircraft propulsion system — 2025-11-11
12447826 System and method for controlling an aircraft electrical distribution system Raphael Gariepy, Simon S. Lam, Remi Robache, Antwan Shenouda, Nilesh Joshi 2025-10-21
12391392 Master-slave hybrid-electric powertrain control architecture with supervisory power management control Xuening Lu, Poi Loon Tang, Louis-Philippe Larose 2025-08-19
12365469 Aircraft propulsion system with intermittent combustion engine(s) — 2025-07-22
12296941 System and method for controlling a propulsor for a hybrid-electric aircraft propulsion system — 2025-05-13
12270332 Hybrid-electric aircraft propulsion system control system and method — 2025-04-08
12263953 System and method for operating a hybrid aircraft power plant — 2025-04-01
12240625 DC bus voltage control — 2025-03-04
12163468 Aircraft powerplant with electric transmission(s) Michel Bousquet, Kevin Nguyen 2024-12-10
12139265 Aircraft propulsion system with intermittent combustion engine and electric transmission system and method for operating the same — 2024-11-12
12031473 Aircraft propulsion system with intermittent combustion engine, hydraulic motor, and cooling system — 2024-07-09
12031513 Method and system for glow plug operation Antwan Shenouda 2024-07-09
11990806 Electric machine systems Eric Latulipe 2024-05-21
11936007 Battery system with optical connections Chase Whitman 2024-03-19 $35,476,000
11909283 Electric machine systems having magnetised bi-pole rotors Eric Latulipe 2024-02-20
11894742 Electric machine systems comprising a stator common to the plurality of rotors Eric Latulipe 2024-02-06
11863032 Multi-rotor electric machine systems Eric Latulipe 2024-01-02
11827370 Aircraft propulsion system with intermittent combustion engine and electric transmission system and method for operating the same — 2023-11-28
11757386 Hybrid electric propulsion system and method of operation Eric Latulipe 2023-09-12
11739693 Method and system for glow plug operation Mehmet Celal Tanju 2023-08-29
11719166 Aircraft propulsion system with intermittent combustion engine(s) — 2023-08-08
11692489 Igniter for gas turbine engine Kian McCaldon, Tin Cheung John Hu, Michel Bousquet, André Fortin 2023-07-04
11649065 DC bus voltage control — 2023-05-16
11614034 Igniter for gas turbine engine Kian McCaldon, Tin Cheung John Hu, Michel Bousquet, André Fortin 2023-03-28

Nearby-Ranked Inventors

Steven Scott Gorshe48
Ding-Quan Qian48
Dan Baum48
Thomas K. Tcheng48
Jun-Kyo Lee48
David A. Koblas48
Yasushi Ochi48
Roger Spitz48
Kevin A. O'Lenick48