F01L 1/348
By means acting on timing belts or chains
Official title: by means acting on timing belts or chains
F01L1/348 (By means acting on timing belts or chains) appears on 67 US grants and 31 published applications in this corpus.
Search patents in F01L- Granted patents
- 67
- Published applications
- 31
- Assignees
- 38
- Inventors
- 129
- Latest grant
- 7 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 3 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 3 |
| 2017 | 2 | 6 |
| 2018 | 2 | 1 |
| 2019 | 4 | 6 |
| 2020 | 2 | 2 |
| 2021 | 4 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable valve timing method and mechanism7 Jun 2022US 11,352,918 B1
- Multilink cranktrains with combined eccentric shaft and camshaft drive system for internal combustion engines17 Aug 2021US 11,092,090 B1GM Global Technology Operations LLC
- Timing wheel attachment for camshaft phaser11 May 2021US 11,002,159 B1Schaeffler Technologies AG & Co. KG
- Internal combustion engine9 Feb 2021US 10,914,203 B2Toyota Jidosha Kabushiki Kaisha
- Trigger wheel with a wave-shaped formed feature for a camshaft phaser19 Jan 2021US 10,895,176 B2Schaeffler Technologies AG & Co. KG
- System and method for distinguishing between a timing chain jump and a lock-up of an actuator in a variable valve timing device2 Jul 2026US 2026/0185468 A1Vitesco Technologies GmbH
- Valve timing adjustment device10 Feb 2022US 2022/0042426 A1Denso Corporation
- Engine system25 Mar 2021US 2021/0087952 A1BorgWarner Inc.
- Internal combustion engine30 Jul 2020US 2020/0240294 A1Toyota Jidosha Kabushiki Kaisha
- Trigger wheel with a wave-shaped formed feature for a camshaft phaser20 Feb 2020US 2020/0056515 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Internal combustion engine102US 4,805,571 AHumphrey Cycle Engine Partners, L.P. · 1989
- Rotary valve for internal combustion engine45US 5,205,251 AIbex Technologies Ltd. · 1993
- Variable timing camshaft drive system43US 5,606,941 ADr. Ing. h,c.F. Porsche Aktiengesellschaft · 1997
- Internal combustion engine40US 7,234,423 B22007
- Intake and exhaust valve system for internal combustion engine37US 4,530,318 A1985