F02B 53/06
Valve control therefor
F02B53/06 (Valve control therefor) appears on 94 US grants and 59 published applications in this corpus.
Search patents in F02B- Granted patents
- 94
- Published applications
- 59
- Assignees
- 33
- Inventors
- 134
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 4 |
| 2014 | 2 | 2 |
| 2015 | 0 | 3 |
| 2016 | 5 | 5 |
| 2017 | 5 | 5 |
| 2018 | 4 | 5 |
| 2019 | 5 | 4 |
| 2020 | 3 | 6 |
| 2021 | 6 | 6 |
| 2022 | 6 | 6 |
| 2023 | 6 | 2 |
| 2024 | 4 | 0 |
| 2025 | 0 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Rotary engine with variable displacement35US 5,168,846 A1992
- Rotary internal combustion engine34US 4,241,713 A1980
- Induction-exhaust system for a rotary engine29US 3,981,276 AFord Motor Company · 1976
- Internal combustion engine control system28US 4,060,058 AFord Motor Company · 1977
- Internal combustion engine control system26US 4,108,136 AFord Motor Company · 1978