F02F 7/0085
Materials for constructing engines or their parts
Official title: {Materials for constructing engines or their parts}
F02F7/0085 (Materials for constructing engines or their parts) appears on 570 US grants and 139 published applications in this corpus.
Search patents in F02F- Granted patents
- 570
- Published applications
- 139
- Assignees
- 230
- Inventors
- 978
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 9 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 9 | 0 |
| 1983 | 11 | 0 |
| 1984 | 21 | 0 |
| 1985 | 32 | 0 |
| 1986 | 24 | 0 |
| 1987 | 41 | 0 |
| 1988 | 29 | 0 |
| 1989 | 28 | 0 |
| 1990 | 31 | 0 |
| 1991 | 21 | 0 |
| 1992 | 22 | 0 |
| 1993 | 16 | 0 |
| 1994 | 17 | 0 |
| 1995 | 19 | 0 |
| 1996 | 13 | 0 |
| 1997 | 12 | 0 |
| 1998 | 23 | 0 |
| 1999 | 11 | 0 |
| 2000 | 22 | 0 |
| 2001 | 19 | 4 |
| 2002 | 10 | 7 |
| 2003 | 11 | 6 |
| 2004 | 5 | 8 |
| 2005 | 4 | 4 |
| 2006 | 3 | 2 |
| 2007 | 0 | 2 |
| 2008 | 2 | 4 |
| 2009 | 1 | 2 |
| 2010 | 2 | 3 |
| 2011 | 0 | 1 |
| 2012 | 0 | 8 |
| 2013 | 0 | 3 |
| 2014 | 2 | 2 |
| 2015 | 3 | 5 |
| 2016 | 4 | 8 |
| 2017 | 8 | 15 |
| 2018 | 10 | 21 |
| 2019 | 17 | 10 |
| 2020 | 9 | 7 |
| 2021 | 9 | 3 |
| 2022 | 3 | 4 |
| 2023 | 5 | 1 |
| 2024 | 1 | 5 |
| 2025 | 5 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Engine assembly oil management14 Jul 2026US 12,680,519 B2Arctic Cat Inc.
- Interchangeable engine assembly10 Feb 2026US 12,546,270 B2Arctic Cat Inc.
- Complexed cylinder block7 Oct 2025US 12,435,680 B2Nissan Motor Co., Ltd.
- Self-charged four stroke one-cycle combustion cylinder for internal combustion engine29 Jul 2025US 12,372,016 B1
- Internal combustion engine with reduced oil maintenance15 Apr 2025US 12,276,235 B2Briggs & Stratton Corporation
- Interchangeable engine assembly18 Jun 2026US 2026/0168462 A1Arctic Cat Inc.
- Burr-shaped cast-in cylinder liner and inspection method for same14 May 2026US 2026/0132757 A1Zynp Corporation
- Outboard-motor cylinder block and manufacturing method therefor11 Dec 2025US 2025/0376939 A1Suzuki Motor Corporation
- Complexed cylinder block17 Jul 2025US 2025/0230781 A1Nissan Motor Co., Ltd.
- Composite cylinder block19 Dec 2024US 2024/0418135 A1Nissan Motor Co., Ltd.
Most cited
By later US patents
- Production of highly microporous activated carbon products149US 5,416,056 AWestvaco Corporation · 1995
- Highly microporous carbon125US 5,710,092 AWestvaco Corporation · 1998
- Method and apparatus for improved operation of internal combustion engines115US 5,343,699 A1994
- Highly microporous carbons and process of manufacture111US 5,965,483 AWestvaco Corporation · 1999
- Internal combustion engine102US 4,805,571 AHumphrey Cycle Engine Partners, L.P. · 1989