F01L 1/42
For machines or engines characterised by cylinder arrangements
Official title: for machines or engines characterised by cylinder arrangements, e.g. star or fan
F01L1/42 (For machines or engines characterised by cylinder arrangements) appears on 8 US grants and 5 published applications in this corpus.
Search patents in F01L- Granted patents
- 8
- Published applications
- 5
- Assignees
- 4
- Inventors
- 8
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Internal combustion engine25 Nov 2025US 12,480,457 B2
- Internal combustion engine18 Feb 2025US 12,228,091 B1
- Oil control valve system for valve actuation switching28 May 2019US 10,302,024 B2
- Oil control valve system for valve actuation switching10 Jan 2017US 9,540,966 B2Eaton Corporation
- Lost-motion variable valve actuation system with valve deactivation2 Jun 2015US 9,046,008 B2Scuderi Group, LLC
- Internal combustion engine15 May 2025US 2025/0154921 A1
- Oil Control Valve System For Valve Actuation Switching27 Apr 2017US 2017/0114727 A1Eaton Corporation
- Oil Control Valve System For Valve Actuation Switching21 Jan 2016US 2016/0017774 A1Eaton Corporation
- Lost-motion variable valve actuation system with valve deactivation3 Jul 2014US 2014/0182529 A1Scuderi Group, LLC
- Lost-motion variable valve actuation system with valve deactivation2 Aug 2012US 2012/0192840 A1Scuderi Group, LLC
Most cited
By later US patents
- Double poppet valve apparatus21US 5,085,179 AIngersoll-Rand Company · 1992
- Rocker arm for axial engine13US 4,502,427 ARegie Nationale des Usines Renault · 1985
- Lost-motion variable valve actuation system with valve deactivation2US 8,707,916 B2Scuderi Group, LLC · 2014
- Oil control valve system for valve actuation switching1US 9,540,966 B2Eaton Corporation · 2017