F02M 31/12
Electrically
Official title: electrically
F02M31/12 (Electrically) appears on 602 US grants and 383 published applications in this corpus.
Search patents in F02M- Granted patents
- 602
- Published applications
- 383
- Assignees
- 269
- Inventors
- 1,127
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 10 | 0 |
| 1981 | 8 | 0 |
| 1982 | 16 | 0 |
| 1983 | 25 | 0 |
| 1984 | 21 | 0 |
| 1985 | 17 | 0 |
| 1986 | 15 | 0 |
| 1987 | 20 | 0 |
| 1988 | 11 | 0 |
| 1989 | 16 | 0 |
| 1990 | 8 | 0 |
| 1991 | 12 | 0 |
| 1992 | 15 | 0 |
| 1993 | 5 | 0 |
| 1994 | 11 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 14 | 0 |
| 1998 | 7 | 0 |
| 1999 | 14 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 3 |
| 2002 | 9 | 12 |
| 2003 | 11 | 15 |
| 2004 | 12 | 24 |
| 2005 | 17 | 25 |
| 2006 | 16 | 14 |
| 2007 | 11 | 21 |
| 2008 | 8 | 15 |
| 2009 | 14 | 22 |
| 2010 | 8 | 22 |
| 2011 | 15 | 21 |
| 2012 | 17 | 18 |
| 2013 | 15 | 18 |
| 2014 | 19 | 20 |
| 2015 | 12 | 16 |
| 2016 | 7 | 12 |
| 2017 | 16 | 20 |
| 2018 | 12 | 12 |
| 2019 | 18 | 13 |
| 2020 | 10 | 9 |
| 2021 | 11 | 7 |
| 2022 | 10 | 10 |
| 2023 | 12 | 10 |
| 2024 | 11 | 7 |
| 2025 | 7 | 10 |
| 2026 | 9 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for reducing emissions with smart alternator18 Aug 2026US 12,709,274 B2Cummins Inc.
- Hybrid drive and fuel vaporizer for UAV and other mobile environments18 Aug 2026US 12,709,419 B2LiquidPiston, Inc.
- Engine control system for intake valve opening timing during cold start11 Aug 2026US 12,704,099 B2Cummins Power Generation Inc.
- Internal combustion engine7 Jul 2026US 12,674,433 B2Toyota Jidosha Kabushiki Kaisha
- Reconfigurable surgical frame and method for use thereof26 May 2026US 12,637,993 B2Warsaw Orthopedic, Inc.
- Compression ignition engine and system utilizing ammonia as a fuel source24 Sep 2026US 2026/0286881 A1Analytical Engineering, Inc.
- Fuel-based heating to enable mixing controlled combustion of small- molecule fuels10 Sep 2026US 2026/0266248 A1
- Thermal choke, autostart generator system, and method of use thereof18 Jun 2026US 2026/0168466 A1The Dewey Electronics Corporation
- Fuel conditioning system18 Jun 2026US 2026/0173226 A1Airbus Operations S.L.U.
- Apparatus and method for controlling fuel filter heater of vehicle12 Mar 2026US 2026/0071600 A1Hyundai Motor Company
Most cited
By later US patents
- Device for the treatment of engine and heating fuels obtained from mineral oil or from plants116US 5,816,225 AI.A.T. Technologies Limited · 1998
- Fuel injector116US 5,915,626 ARobert Bosch GmbH · 1999
- Reversible filter element87US 5,645,718 AParker-Hannifin Corporation · 1997
- Electrically heated fuel pick-up assembly for vehicle fuel tanks80US 4,684,786 ANavistar International Corporation · 1987
- Filter assembly77US 4,502,955 ARacor Industries, Inc. · 1985