F01L 1/32
Valve-gear or valve arrangements: characterised by the provision of means for rotating
Official title: characterised by the provision of means for rotating lift valves, e.g. to diminish wear
F01L1/32 (Valve-gear or valve arrangements: characterised by the provision of means for rotating) appears on 62 US grants and 36 published applications in this corpus.
Search patents in F01L- Granted patents
- 62
- Published applications
- 36
- Assignees
- 32
- Inventors
- 128
- Latest grant
- 10 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 4 | 2 |
| 2004 | 1 | 3 |
| 2005 | 1 | 0 |
| 2006 | 2 | 3 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 2 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 3 |
| 2018 | 5 | 5 |
| 2019 | 1 | 0 |
| 2020 | 2 | 2 |
| 2021 | 0 | 2 |
| 2022 | 2 | 0 |
| 2023 | 2 | 2 |
| 2024 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Cylinder head for an internal combustion engine10 Sep 2024US 12,085,037 B2Innio Jenbacher GmbH & Co OG
- Valve stem seal comprising a valve rotating device30 Jul 2024US 12,049,836 B2Federal-Mogul Valvetrain GmbH
- Rotary manifold for a cohesion-type drive23 Jul 2024US 12,044,129 B2McGuire Aero Propulsion Solutions Inc.
- Cover body for valve rotating device, corresponding valve rotating device and method for producing the cover body17 Oct 2023US 11,788,440 B2Federal-Mogul Valvetrain GmbH
- Rotary manifold for a cohesion-type drive7 Feb 2023US 11,572,788 B2McGuire Aero Propulsion Solutions Inc.
- Valve stem seal comprising a valve rotating device2 May 2024US 2024/0141810 A1Federal-Mogul Valvetrain GmbH
- Cylinder head for an internal combustion engine23 Nov 2023US 2023/0374951 A1Innio Jenbacher GmbH & Co OG
- Rotary manifold for a cohesion-type drive31 Aug 2023US 2023/0272717 A1McGuire Aero Propulsion Solutions Inc.
- Valve rotating device16 Dec 2021US 2021/0388742 A1Man Truck & Bus AG
- Cover body for valve rotating device, corresponding valve rotating device and method for producing the cover body28 Oct 2021US 2021/0332724 A1Federal-Mogul Valvetrain GmbH
Most cited
By later US patents
- Hydraulically controlled intake/exhaust valve32US 5,829,396 ASturman Industries, Inc. · 1998
- Offset valve lifter effecting valve rotation20US 4,007,716 AAllis-Chalmers Corporation · 1977
- Valve mechanism for at least two simultaneously actuable valves18US 4,805,567 AGeneral Motors Corporation · 1989
- Coaxial poppet valve17US 7,296,545 B22007
- Valve rotating device13US 4,094,280 ATRW Inc. · 1978