F02F 11/002
Involving cylinder heads
Official title: {involving cylinder heads}
F02F11/002 (Involving cylinder heads) appears on 372 US grants and 337 published applications in this corpus.
Search patents in F02F- Granted patents
- 372
- Published applications
- 337
- Assignees
- 145
- Inventors
- 762
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 10 | 0 |
| 1992 | 9 | 0 |
| 1993 | 9 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 1 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 9 | 3 |
| 2002 | 4 | 12 |
| 2003 | 8 | 12 |
| 2004 | 13 | 12 |
| 2005 | 15 | 16 |
| 2006 | 9 | 24 |
| 2007 | 11 | 12 |
| 2008 | 4 | 10 |
| 2009 | 4 | 4 |
| 2010 | 9 | 4 |
| 2011 | 2 | 9 |
| 2012 | 2 | 6 |
| 2013 | 2 | 14 |
| 2014 | 8 | 19 |
| 2015 | 10 | 33 |
| 2016 | 21 | 25 |
| 2017 | 11 | 24 |
| 2018 | 34 | 19 |
| 2019 | 15 | 12 |
| 2020 | 7 | 14 |
| 2021 | 17 | 14 |
| 2022 | 13 | 10 |
| 2023 | 11 | 6 |
| 2024 | 14 | 12 |
| 2025 | 7 | 4 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cylinder block and internal combustion engine system22 Sep 2026US 12,742,432 B2Cummins Inc.
- Cylinder head structure5 May 2026US 12,618,356 B2Kubota Corporation
- Piston cylinder system and method14 Apr 2026US 12,601,310 B2Innio Waukesha Gas Engines Inc.
- Cylinder head joint gas leakage mitigation9 Dec 2025US 12,492,667 B2Cummins Power Generation Inc.
- Pre-chamber assembly21 Oct 2025US 12,448,913 B2Innio Jenbacher GmbH & Co OG
- Cylinder liner for internal combustion engine18 Jun 2026US 2026/0168463 A1Caterpillar Inc.
- Cylinder head joint gas leakage mitigation23 Apr 2026US 2026/0110272 A1Cummins Power Generation Inc.
- Cylinder head joint gas leakage mitigation23 Apr 2026US 2026/0110273 A1Cummins Power Generation Inc.
- Piston cylinder system and method2 Apr 2026US 2026/0092574 A1Innio Waukesha Gas Engines Inc.
- Piston cylinder system and method2 Apr 2026US 2026/0092575 A1Innio Waukesha Gas Engines Inc.
Most cited
By later US patents
- Method and apparatus for operating with a hopping control channel in a communication system165US 5,506,863 AMotorola, Inc. · 1996
- Cylinder head gasket56US 6,976,683 B2Elring Klinger AG · 2005
- Reinforced core heavy duty gasket51US 5,362,074 ADana Corporation · 1994
- Valve cover assembly for a vehicle engine and method for producing same41US 7,316,215 B1Hayes Lemmerz International, Inc. · 2008
- Combination metal and elastomer cylinder head gasket37US 5,890,719 AParker-Hannifin Corporation · 1999