F02M 41/12
The pistons rotating to act as the distributor
Official title: the pistons rotating to act as the distributor
F02M41/12 (The pistons rotating to act as the distributor) appears on 345 US grants and 14 published applications in this corpus.
Search patents in F02M- Granted patents
- 345
- Published applications
- 14
- Assignees
- 36
- Inventors
- 333
- Latest grant
- 6 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 5 | 0 |
| 1981 | 12 | 0 |
| 1982 | 18 | 0 |
| 1983 | 33 | 0 |
| 1984 | 36 | 0 |
| 1985 | 34 | 0 |
| 1986 | 30 | 0 |
| 1987 | 23 | 0 |
| 1988 | 16 | 0 |
| 1989 | 12 | 0 |
| 1990 | 6 | 0 |
| 1991 | 10 | 0 |
| 1992 | 14 | 0 |
| 1993 | 15 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 4 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Over-acceleration protection device for a speed regulator internal combustion engines and turbines6 Feb 2024US 11,891,900 B2
- Distribution device for distributing fluid flows and method for operating a motor vehicle having an internal combustion engine12 Jul 2022US 11,384,720 B2Volkswagen Aktiengesellschaft
- High volume electronic fuel injection system24 May 2022US 11,339,755 B2
- High volume electronic fuel injection system29 Jun 2021US 11,047,351 B1
- Fuel injection pump8 Dec 2020US 10,859,050 B2Denso Corporation
- Over-acceleration protection device for a speed regulator internal combustion engines and turbines7 Apr 2022US 2022/0106890 A1
- Distribution device for distributing fluid flows and method for operating a motor vehicle having an internal combustion engine3 Mar 2022US 2022/0065205 A1Volkswagen Aktiengesellschaft
- High volume electronic fuel injection system23 Sep 2021US 2021/0293213 A1
- Fuel injection pump10 Sep 2020US 2020/0284230 A1Denso Corporation
- Internal Combustion Engine Having Dedicated EGR Cylinder(s) and Improved Fuel Pump System19 Dec 2019US 2019/0383242 A1Southwest Research Institute
Most cited
By later US patents
- Soot catcher purgative diesel engine fuel supply method and apparatus40US 4,452,040 AToyota Jidosha Kabushiki Kaisha · 1984
- Exhaust gas purifying device for internal combustion engine40US 5,207,990 ANissan Motor Co., Ltd. · 1993
- Distribution type fuel injection apparatus39US 4,395,987 ADiesel Kiki Co., Ltd. · 1983
- Fuel injector and fuel injection system37US 4,784,102 ANippon Soken, Inc. · 1988
- Pilot injection system for fuel injection pump33US 4,838,233 ANippondenso Co., Ltd. · 1989