F02D 9/12
Having slidably-mounted valve members
Official title: having slidably-mounted valve members; having valve members movable longitudinally of conduit
F02D9/12 (Having slidably-mounted valve members) appears on 295 US grants and 201 published applications in this corpus.
Search patents in F02D- Granted patents
- 295
- Published applications
- 201
- Assignees
- 140
- Inventors
- 534
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 10 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 12 | 0 |
| 1998 | 8 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 2 |
| 2002 | 5 | 2 |
| 2003 | 6 | 12 |
| 2004 | 12 | 8 |
| 2005 | 10 | 13 |
| 2006 | 11 | 16 |
| 2007 | 11 | 13 |
| 2008 | 5 | 7 |
| 2009 | 7 | 10 |
| 2010 | 8 | 11 |
| 2011 | 7 | 11 |
| 2012 | 9 | 10 |
| 2013 | 13 | 8 |
| 2014 | 6 | 5 |
| 2015 | 8 | 14 |
| 2016 | 5 | 12 |
| 2017 | 9 | 9 |
| 2018 | 15 | 13 |
| 2019 | 11 | 8 |
| 2020 | 6 | 4 |
| 2021 | 3 | 2 |
| 2022 | 0 | 5 |
| 2023 | 7 | 2 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Valve assembly and method16 Sep 2025US 12,416,361 B2G. W. Lisk Company, Inc.
- Air amount adjustment valve and multiple throttle device18 Mar 2025US 12,253,045 B2Mikuni Corporation
- Valve assembly and method30 Apr 2024US 11,971,106 B2G. W. Lisk Company, Inc.
- Valve device19 Sep 2023US 11,761,552 B2Denso Corporation
- Intake control device15 Aug 2023US 11,725,596 B2Hitachi Astemo, Ltd.
- Screw actuated air shutoff valve10 Sep 2026US 2026/0266389 A1Amot Controls Corp.
- Land vehicle with an engine comprising an air intake duct provided with a device for selectively generating an air tumble in the combustion chamber26 Mar 2026US 2026/0085642 A1Ferrari S.P. A.
- Air amount adjustment valve and multiple throttle device19 Sep 2024US 2024/0309818 A1Mikuni Corporation
- Valve assembly and method22 Aug 2024US 2024/0280177 A1G. W. Lisk Company, Inc.
- Intake control device8 Jun 2023US 2023/0175445 A1Hitachi Astemo, Ltd.
Most cited
By later US patents
- EGR and blow-by flow system for highly turbocharged diesel engines92US 5,611,204 ACummins Engine Company, Inc. · 1997
- Control scheme for exhaust gas circulation system86US 6,886,545 B1Haldex Hydraulics Corporation · 2005
- Fuel feed control system and control valve for dual fuel operation of an internal combustion engine55US 4,535,728 APropane Carburetion Systems, Inc. · 1985
- Intake device for an internal combustion engine43US 4,890,586 AHonda Giken Kogyo Kabushiki Kaisha · 1990
- Swirl port system for a diesel engine41US 6,772,729 B2Delphi Technologies, Inc. · 2004