F01M 9/101
Of cam surfaces
Official title: {of cam surfaces}
F01M9/101 (Of cam surfaces) appears on 93 US grants and 54 published applications in this corpus.
Search patents in F01M- Granted patents
- 93
- Published applications
- 54
- Assignees
- 54
- Inventors
- 219
- Latest grant
- 3 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 2 | 0 |
| 2013 | 1 | 3 |
| 2014 | 5 | 3 |
| 2015 | 3 | 8 |
| 2016 | 2 | 4 |
| 2017 | 4 | 3 |
| 2018 | 5 | 2 |
| 2019 | 3 | 7 |
| 2020 | 8 | 7 |
| 2021 | 5 | 1 |
| 2022 | 2 | 4 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing a channel in a shaft tube3 Jan 2023US 11,541,487 B2Mahle International GmbH
- Continuous variable valve duration apparatus and engine provided with the same26 Apr 2022US 11,313,258 B2Hyundai Motor Company
- Sliding member12 Apr 2022US 11,300,013 B2
- Lubricant supply apparatus for internal combustion engine21 Sep 2021US 11,125,126 B2Toyota Jidosha Kabushiki Kaisha
- Engine valve actuation system and lifter arm assembly having lifter arm oil spray port for cam-roller lubrication20 Jul 2021US 11,066,962 B1Caterpillar Inc.
- Engine18 Dec 2025US 2025/0382906 A1Kubota Corporation
- Cam-follower lubrication systems8 Sep 2022US 2022/0282641 A1Cummins Inc.
- Engine, outboard motor, and watercraft11 Aug 2022US 2022/0252000 A1Honda Motor Co., Ltd.
- Method for producing a channel in a shaft tube24 Feb 2022US 2022/0056991 A1Mahle International GmbH
- Sliding member10 Feb 2022US 2022/0042425 A1Riken
Most cited
By later US patents
- Overhead cam type valve actuating apparatus for internal combustion engine51US 4,662,323 AHonda Giken Kogyo Kabushiki Kaisha · 1987
- Oil control unit for high-performance vehicles47US 5,568,842 A1996
- Cam shaft and method of manufacture40US 4,644,912 ANippon Piston Ring Co., Ltd. · 1987
- Oil supply system for a valve operating mechanism in internal combustion engines36US 4,729,349 AHonda Giken Kogyo Kabushiki Kaisha · 1988
- Valve operating system for internal combustion engines32US 4,883,027 AHonda Giken Kogyo Kabushiki Kaisha · 1989