F01L 3/085
Valve cages
Official title: {Valve cages}
F01L3/085 (Valve cages) appears on 20 US grants and 15 published applications in this corpus.
Search patents in F01L- Granted patents
- 20
- Published applications
- 15
- Assignees
- 19
- Inventors
- 30
- Latest grant
- 8 Feb 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 2 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gasket for a valve of an internal combustion engine8 Feb 2022US 11,242,777 B1Freudenberg Sealing Technologies S.A.S. Di Externa Italia S.R.L.U.
- Internal combustion engine17 Mar 2020US 10,590,813 B2Quest Engines, LLC
- Frustoconically supported valve stem seal assembly24 Dec 2019US 10,513,951 B2Dana Automotive Systems Group, LLC
- Cam rocker lever for operating valves13 Dec 2016US 9,518,483 B2Cummins Inc.
- Poppet valve assembly10 Feb 2015US 8,951,026 B2GE Oil & Gas Compression Systems, LLC
- Valve guide for guiding a valve stem11 Jun 2026US 2026/0160190 A1
- Multifuel closed-loop thermal cycle piston engine, system and method5 Jun 2025US 2025/0179967 A1Engine Development Corp, LLC
- Frustoconically supported valve stem seal assembly27 Dec 2018US 2018/0371965 A1Dana Automotive Systems Group, LLC
- Internal combustion engine4 Oct 2018US 2018/0283235 A1Quest Engines, LLC
- Cam rocker lever for operating valves31 Dec 2015US 2015/0377081 A1Cummins Inc.
Most cited
By later US patents
- Poppet valve for an internal combustion engine39US 5,168,843 A1992
- Mushroom valve housing with fluid coolant circulation for internal combustion engines16US 4,182,282 ASociete d'Etudes de Machines Thermiques S.E.M.T. · 1980
- Fuel injection valve11US 5,346,136 ADover Resources, Inc. · 1994
- Internal combustion piston engine10US 4,200,066 ASulzer Brothers Limited · 1980
- Internal combustion engine with electronic valve actuators and control system therefor9US 8,037,853 B2Len Development Services USA, LLC · 2011