F02M 23/06
Dependent on engine speed
Official title: dependent on engine speed
F02M23/06 (Dependent on engine speed) appears on 24 US grants and 16 published applications in this corpus.
Search patents in F02M- Granted patents
- 24
- Published applications
- 16
- Assignees
- 23
- Inventors
- 51
- Latest grant
- 18 May 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 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 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 5 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 2 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Passive centrifugal bleed valve system for a gas turbine engine18 May 2021US 11,008,979 B2Raytheon Technologies Corporation
- Internal combustion engine and method for its operation8 Dec 2020US 10,858,985 B2Andreas Stihl AG & CO.KG
- Engine system and method of controlling the same1 Sep 2020US 10,760,476 B2Hyundai Motor Company
- Method for operating an engine2 Jul 2019US 10,337,460 B2Caterpillar Motoren GmbH & Co. KG
- Process for starting an internal-combustion engine and an internal-combustion engine having a starting-aid device5 Aug 2014US 8,793,999 B2KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Passive centrifugal bleed valve system for a gas turbine engine3 Dec 2020US 2020/0378343 A1United Technologies Corporation
- Engine system and method of controlling the same11 Jun 2020US 2020/0182135 A1Hyundai Motor Company
- Internal Combustion Engine and Method for Its Operation24 Oct 2019US 2019/0323418 A1Andreas Stihl AG & CO.KG
- Method for operating an engine8 Jun 2017US 2017/0159612 A1Caterpillar Motoren GmbH & Co. KG
- Method of operating an automotive system for powering a vehicle8 Jun 2017US 2017/0159613 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Carburetor with adjustable air bypass23US 7,255,331 B2Barry Grant, Inc. · 2007
- Process for starting an internal-combustion engine and an internal-combustion engine having a starting-aid device14US 8,793,999 B2KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH · 2014
- Quick engine startup system and method12US 7,975,666 B2General Electric Company · 2011
- Air fuel ratio control system for an internal combustion engine with improved operations for maintaining the engine output power8US 4,665,883 AHonda Giken Kogyo Kabushiki Kaisha · 1987
- Method of controlling fluid flow rate using on-off type electromagnetic valve7US 4,325,347 ANissan Motor Co., Ltd. · 1982