F02B 77/082
Relating to valves
Official title: {relating to valves}
F02B77/082 (Relating to valves) appears on 26 US grants and 24 published applications in this corpus.
Search patents in F02B- Granted patents
- 26
- Published applications
- 24
- Assignees
- 21
- Inventors
- 73
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 2 |
| 2017 | 3 | 2 |
| 2018 | 3 | 3 |
| 2019 | 2 | 2 |
| 2020 | 2 | 0 |
| 2021 | 2 | 3 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydrogen-oxygen cycle engine and using method therefor22 Jul 2025US 12,366,198 B2
- Method for operating an internal combustion engine, control device, and internal combustion engine13 Sep 2022US 11,441,480 B2MTU Friedrichshafen GmbH
- System and method for engine valve lash calibration8 Mar 2022US 11,268,411 B2Caterpillar Inc.
- Method and system for estimating damage in an internal combustion engine8 Jun 2021US 11,028,772 B1Caterpillar Inc.
- Method and system for wear estimation6 Apr 2021US 10,968,823 B1Caterpillar Inc.
- Hydrogen-oxygen cycle engine and using method therefor2 May 2024US 2024/0141825 A1
- System and method for engine valve lash calibration9 Dec 2021US 2021/0381401 A1Caterpillar Inc.
- Method and system for wear estimation29 Apr 2021US 2021/0123376 A1Caterpillar Inc.
- Method for operating an internal combustion engine, control device, and internal combustion engine7 Jan 2021US 2021/0003071 A1MTU Friedrichshafen GmbH
- Method of monitoring an engine able to operate with selective valve deactivation5 Sep 2019US 2019/0271265 A1Delphi Technologies IP Limited
Most cited
By later US patents
- Valve fault detection46US 9,562,470 B2Tula Technology, Inc. · 2017
- Cooling apparatus for internal combustion engine26US 7,409,929 B2Toyota Jidosha Kabushiki Kaisha · 2008
- Valve fault detection25US 9,890,732 B2Tula Technology, Inc. · 2018
- Control apparatus for an internal combustion engine14US 7,275,525 B2Mitsubishi Denki Kabushiki Kaisha · 2007
- Method and arrangement for monitoring the operation of a gas flow control element in an internal combustion engine13US 6,575,133 B2Robert Bosch GmbH · 2003