F02B 75/36
Engines with parts of combustion- or working-chamber walls resiliently yielding under pressure
F02B75/36 (Engines with parts of combustion- or working-chamber walls resiliently yielding under pressure) appears on 81 US grants and 47 published applications in this corpus.
Search patents in F02B- Granted patents
- 81
- Published applications
- 47
- Assignees
- 19
- Inventors
- 82
- Latest grant
- 30 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 2 | 4 |
| 2004 | 3 | 3 |
| 2005 | 1 | 3 |
| 2006 | 1 | 8 |
| 2007 | 4 | 2 |
| 2008 | 6 | 6 |
| 2009 | 2 | 3 |
| 2010 | 5 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 3 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 3 |
| 2017 | 4 | 2 |
| 2018 | 0 | 1 |
| 2019 | 3 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
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
- Two-stroke internal combustion engine with a spherical chamber22 Oct 2019US 10,450,862 B2
- Controlling variable compression ratio with a pressure-reactive piston30 Apr 2019US 10,273,927 B2Ford Global Technologies, LLC
- Electrically conductive membrane pump system29 Jan 2019US 10,194,244 B2Clean Energy Labs, LLC
- Apparatus and method for an articulating inner structure of an engine chamber10 Oct 2017US 9,784,180 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
- Flexure apparatuses, linear rotary converters, and systems24 Aug 2017US 2017/0241451 A1Sencera Energy, Inc.
- An air motor11 May 2017US 2017/0130581 A1
Most cited
By later US patents
- Engine47US 6,223,703 B12001
- Piston and spring powered engine38US 4,557,228 A1985
- Variable compression ratio internal combustion engine36US 4,286,552 ANissan Motor Co., Ltd. · 1981
- Compliant walled combustion devices32US 7,237,524 B2SRI International · 2007
- Flexible cylinder-head internal combustion engine with cylinder compression adjustable for use with available fluid fuels28US 4,419,969 A1983