F02B 75/38
Reciprocating - piston engines
Official title: Reciprocating - piston engines (F02B75/04 takes precedence; with resiliently-urged auxiliary piston in pre-combustion chamber F02B19/06)
F02B75/38 (Reciprocating - piston engines) appears on 13 US grants and 9 published applications in this corpus.
Search patents in F02B- Granted patents
- 13
- Published applications
- 9
- Assignees
- 6
- Inventors
- 24
- Latest grant
- 30 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for control of compression in internal combustion engine via compression ratio and elastic piston30 Aug 2022US 11,428,174 B2Lawrence Livermore National Security, LLC
- Controlling variable compression ratio with a pressure-reactive piston30 Apr 2019US 10,273,927 B2Ford Global Technologies, LLC
- Bistable actuator, actuator arrangement, method for actuation and use27 Jun 2017US 9,689,408 B2Karlsruher Institut für Technologie
- Piston17 Jan 2017US 9,546,733 B2Mitsubishi Jidosha Kogyo Kabushiki Kaisha
- Piston26 Feb 2008US 7,334,554 B2
- Opposed piston hydrogen engine and method for operation9 Dec 2021US 2021/0381427 A1
- System and method for control of compression in internal combustion engine via compression ratio and elastic piston19 Aug 2021US 2021/0254563 A1Lawrence Livermore National Security, LLC
- Controlling variable compression ratio with a pressure-reactive piston6 Sep 2018US 2018/0252197 A1Ford Global Technologies, LLC
- Bistable actuator, actuator arrangement, method for actuaton and use26 Mar 2015US 2015/0083228 A1Karlsruher Institut für Technologie
- Piston17 Oct 2013US 2013/0269515 A1Mitsubishi Jidosha Kogyo Kabushiki Kaisha
Most cited
By later US patents