F02F 7/0053
Crankshaft bearings fitted in the crankcase
Official title: {Crankshaft bearings fitted in the crankcase}
F02F7/0053 (Crankshaft bearings fitted in the crankcase) appears on 283 US grants and 184 published applications in this corpus.
Search patents in F02F- Granted patents
- 283
- Published applications
- 184
- Assignees
- 101
- Inventors
- 562
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 12 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 11 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 2 |
| 2002 | 7 | 9 |
| 2003 | 6 | 3 |
| 2004 | 6 | 12 |
| 2005 | 7 | 5 |
| 2006 | 6 | 5 |
| 2007 | 7 | 7 |
| 2008 | 5 | 7 |
| 2009 | 3 | 4 |
| 2010 | 2 | 6 |
| 2011 | 3 | 6 |
| 2012 | 6 | 11 |
| 2013 | 5 | 8 |
| 2014 | 10 | 7 |
| 2015 | 6 | 8 |
| 2016 | 6 | 10 |
| 2017 | 9 | 18 |
| 2018 | 11 | 9 |
| 2019 | 13 | 15 |
| 2020 | 19 | 18 |
| 2021 | 16 | 7 |
| 2022 | 9 | 3 |
| 2023 | 4 | 0 |
| 2024 | 2 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Engine deck extender21 Apr 2026US 12,607,156 B1P2P Services, LLC
- Shaped core for main bearing oil feed groove23 Dec 2025US 12,503,966 B2GM Global Technology Operations LLC
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- Tree pusher adapter device2 Apr 2024US 11,944,044 B2
- Cylinder block and internal combustion engine provided with same19 Sep 2023US 11,761,401 B2Nissan Motor Co., Ltd.
- Engine system23 Apr 2026US 2026/0110275 A1Cummins Inc.
- Ladder frame for engine23 Apr 2026US 2026/0110276 A1Toyota Jidosha Kabushiki Kaisha
- Small end bush lubrication25 Dec 2025US 2025/0389213 A1Perkins Engines Company Limited
- Shaped core for main bearing oil feed groove22 May 2025US 2025/0163833 A1GM Global Technology Operations LLC
- Tree pusher adapter device20 Oct 2022US 2022/0330497 A1
Most cited
By later US patents
- Flexible positioner45US 4,589,179 ACaterpillar Tractor Co. · 1986
- Oil pan structure for internal combustion engine30US 5,038,890 ANissan Motor Co., Ltd. · 1991
- Method of dimensionally stabilizing interface between dissimilar metals in an internal combustion engine27US 4,908,923 AFord Motor Company · 1990
- Low-noise-level reciprocating piston engine26US 4,213,440 ANissan Motor Co., Ltd. · 1980
- Half thrust bearing26US 6,149,310 ADaido Metal Company Ltd. · 2000