F02M 26/54
Rotary actuators
Official title: Rotary actuators, e.g. step motors
F02M26/54 (Rotary actuators) appears on 302 US grants and 282 published applications in this corpus.
Search patents in F02M- Granted patents
- 302
- Published applications
- 282
- Assignees
- 117
- Inventors
- 542
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 13 | 7 |
| 2002 | 18 | 8 |
| 2003 | 12 | 16 |
| 2004 | 17 | 10 |
| 2005 | 10 | 15 |
| 2006 | 11 | 11 |
| 2007 | 13 | 18 |
| 2008 | 6 | 9 |
| 2009 | 8 | 6 |
| 2010 | 6 | 10 |
| 2011 | 7 | 17 |
| 2012 | 7 | 19 |
| 2013 | 9 | 24 |
| 2014 | 11 | 12 |
| 2015 | 17 | 21 |
| 2016 | 13 | 15 |
| 2017 | 20 | 13 |
| 2018 | 15 | 13 |
| 2019 | 13 | 10 |
| 2020 | 11 | 7 |
| 2021 | 11 | 7 |
| 2022 | 1 | 2 |
| 2023 | 3 | 7 |
| 2024 | 1 | 4 |
| 2025 | 7 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Exhaust gas control valve2 Sep 2025US 12,404,797 B2BorgWarner Inc.
- Exhaust gas recirculation valve assembly19 Aug 2025US 12,392,309 B2Power Packer North America, Inc.
- EGR valve15 Jul 2025US 12,359,748 B2Aisan Kogyo Kabushiki Kaisha
- Compact EGR valve8 Jul 2025US 12,352,226 B2Stanadyne Operating Company LLC
- Electronic control actuator, exhaust gas treatment system, and vehicle comprising exhaust gas treatment system24 Jun 2025US 12,338,909 B2Ningbo Colet Electrical Appliances Co., Ltd.
- Exhaust gas recirculation valve assembly29 May 2025US 2025/0172112 A1Power Packer North America, Inc.
- Egr valve5 Sep 2024US 2024/0295277 A1Aisan Kogyo Kabushiki Kaisha
- Exhaust gas recirculation valve assembly22 Aug 2024US 2024/0280070 A1Power Packer North America, Inc.
- Exhaust gas recirculation valve assembly22 Aug 2024US 2024/0280071 A1Power Packer North America, Inc.
- Exhaust gas control valve4 Jul 2024US 2024/0218820 A1BorgWarner Inc.
Most cited
By later US patents
- Exhaust gas purification device for an internal combustion engine105US 5,732,554 AToyota Jidosha Kabushiki Kaisha · 1998
- Adaptive charge forming system for controlling the air/fuel mixture supplied to an internal combustion engine59US 4,368,707 AFuel Injection Development Corporation · 1983
- Integrated motor and controller for turbochargers, EGR valves and the like59US 6,435,169 B1BorgWarner Inc. · 2002
- Fast response exhaust gas recirculation (EGR) system49US 4,924,840 AFord Motor Company · 1990
- Internal combustion engine41US 5,305,720 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1994