F02C 9/56
With power transmission control
Official title: with power transmission control
F02C9/56 (With power transmission control) appears on 215 US grants and 203 published applications in this corpus.
Search patents in F02C- Granted patents
- 215
- Published applications
- 203
- Assignees
- 74
- Inventors
- 348
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 3 |
| 2004 | 1 | 2 |
| 2005 | 3 | 5 |
| 2006 | 6 | 3 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 2 | 3 |
| 2010 | 5 | 6 |
| 2011 | 3 | 1 |
| 2012 | 2 | 2 |
| 2013 | 4 | 8 |
| 2014 | 2 | 3 |
| 2015 | 3 | 2 |
| 2016 | 5 | 7 |
| 2017 | 5 | 11 |
| 2018 | 1 | 11 |
| 2019 | 10 | 8 |
| 2020 | 11 | 29 |
| 2021 | 11 | 24 |
| 2022 | 31 | 16 |
| 2023 | 19 | 15 |
| 2024 | 25 | 20 |
| 2025 | 18 | 13 |
| 2026 | 10 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel, communications, and power connection systems and related methods1 Sep 2026US 12,723,942 B2BJ Energy Solutions, LLC
- Use of propeller electronic controller in protection from uncontrollable high thrust25 Aug 2026US 12,715,598 B1Pratt & Whitney Canada Corp.
- Independent mitigation for isolation of electric motor25 Aug 2026US 12,719,398 B2Pratt & Whitney Canada Corp.
- Powertrain control system and method of VTOL aerial vehicle11 Aug 2026US 12,703,246 B2Hyundai Motor Company
- Control system for open rotor propulsion system with one or more sensors9 Jun 2026US 12,650,085 B1Rtx Corporation
- Fuel, communications, and power connection systems and related methods8 Oct 2026US 2026/0309574 A1BJ Energy Solutions, LLC
- Hybrid-electric propulsion system equipped with a coupler for switching between modes of operation17 Sep 2026US 2026/0275941 A1General Electric Company
- Use of propeller electronic controller in protection from uncontrollable high thrust27 Aug 2026US 2026/0250004 A1Pratt & Whitney Canada Corp.
- Control system for open rotor propulsion system with one or more sensors11 Jun 2026US 2026/0160179 A1Rtx Corporation
- Hybrid rotor drive system and hybrid rotorcraft30 Apr 2026US 2026/0116551 A1Kawasaki Jukogyo Kabushiki Kaisha
Most cited
By later US patents
- Thermoelectric cryoprobe155US 4,519,389 A1985
- Turbogenerator power control system130US 6,325,142 B1Capstone Turbine Corporation · 2001
- Gas turbine engine braking and method119US 4,209,979 AThe Garrett Corporation · 1980
- Fuel, communications, and power connection systems107US 11,268,346 B2BJ Energy Solutions, LLC · 2022
- Control of fuel flow for power generation based on DC link level106US 11,008,950 B2Dynamo Micropower Corporation · 2021