F02F 2007/0063
Head bolts
Official title: {Head bolts; Arrangements of cylinder head bolts}
F02F2007/0063 (Head bolts) appears on 222 US grants and 61 published applications in this corpus.
Search patents in F02F- Granted patents
- 222
- Published applications
- 61
- Assignees
- 93
- Inventors
- 352
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 12 | 0 |
| 1997 | 19 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 0 |
| 2005 | 1 | 3 |
| 2006 | 2 | 1 |
| 2007 | 0 | 2 |
| 2008 | 2 | 3 |
| 2009 | 1 | 6 |
| 2010 | 3 | 2 |
| 2011 | 2 | 1 |
| 2012 | 5 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 4 |
| 2017 | 2 | 6 |
| 2018 | 3 | 4 |
| 2019 | 6 | 4 |
| 2020 | 5 | 5 |
| 2021 | 3 | 3 |
| 2022 | 3 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 5 |
| 2025 | 7 | 4 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Engine assembly oil management14 Jul 2026US 12,680,519 B2Arctic Cat Inc.
- Cylinder head structure5 May 2026US 12,618,356 B2Kubota Corporation
- Engine deck extender21 Apr 2026US 12,607,156 B1P2P Services, LLC
- Interchangeable engine assembly10 Feb 2026US 12,546,270 B2Arctic Cat Inc.
- Cylinder head for an internal combustion engine with an exhaust aftertreatment arrangement and an internal combustion engine with such a cylinder head23 Dec 2025US 12,503,987 B2Deere & Company
- Interchangeable engine assembly18 Jun 2026US 2026/0168462 A1Arctic Cat Inc.
- Cylinder head structure9 Oct 2025US 2025/0314192 A1Kubota Corporation
- Internal combustion engine including through-bolt aperture and single through-bolt9 Oct 2025US 2025/0314197 A1Cummins Inc.
- Complexed cylinder block17 Jul 2025US 2025/0230781 A1Nissan Motor Co., Ltd.
- Upper structure of engine23 Jan 2025US 2025/0027434 A1Suzuki Motor Corporation
Most cited
By later US patents
- Robot vision using targets184US 5,506,682 ASensor Adaptive Machines, Inc. · 1996
- Method and apparatus for operating with a hopping control channel in a communication system165US 5,506,863 AMotorola, Inc. · 1996
- Fiberoptic sensor using tapered and bundled fibers128US 5,438,873 AFiberoptic Sensor Technologies, Inc. · 1995
- Method for automatically handling, assembling and working on objects74US 4,654,949 ADiffracto Ltd. · 1987
- Fiber optic microbend sensor for engine knock and misfire detection65US 5,421,195 A1995