F02B 77/088
Relating to tightness
Official title: {relating to tightness}
F02B77/088 (Relating to tightness) appears on 20 US grants and 7 published applications in this corpus.
Search patents in F02B- Granted patents
- 20
- Published applications
- 7
- Assignees
- 13
- Inventors
- 46
- Latest grant
- 15 Jun 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Sealing assembly comprising a cylinder head, a cylinder head gasket and a crankcase15 Jun 2021US 11,035,319 B2Man Truck & Bus AG
- Dual purpose threaded insert/compression limiter16 Jun 2020US 10,683,885 B2GM Global Technology Operations LLC
- Internal combustion engine system6 Mar 2018US 9,909,519 B2Toyota Jidosha Kabushiki Kaisha
- Leak and blockage diagnostic systems and methods12 Jan 2016US 9,234,449 B2GM Global Technology Operations LLC
- System and method for detecting an air leak in an exhaust system coupled to an engine27 May 2003US 6,568,246 B1Ford Global Technologies, LLC
- Dual purpose threaded insert/compression limiter24 Jan 2019US 2019/0024696 A1GM Global Technology Operations LLC
- Sealing assembly comprising a cylinder head, a cylinder head gasket and a crankcase16 Aug 2018US 2018/0230938 A1Man Truck & Bus AG
- Variable compression ratio engine gasket28 Jun 2018US 2018/0179987 A1
- Internal combustion engine system31 Dec 2015US 2015/0377166 A1Toyota Jidosha Kabushiki Kaisha
- Apparatus and method for determination of cylinder head gasket joint failure in a running engine25 Jun 2015US 2015/0177103 A1
Most cited
By later US patents
- System and method for detecting leaks in a vapor handling system108US 5,263,462 AGeneral Motors Corporation · 1993
- Device for detecting leakage in a fuel supply66US 5,715,786 ARobert Bosch GmbH · 1998
- Leak diagnosis system for evaporative emission control system39US 5,448,980 ANissan Motor Co., Ltd. · 1995
- Fuel leakage detector system29US 5,685,268 ASiemens Automotive Corporation · 1997
- Device for detecting a fuel supply system leak during an engine overrunning phase19US 5,974,865 ARobert Bosch GmbH · 1999