F02M 57/021
The injector being of valveless type
Official title: {the injector being of valveless type, e.g. the pump piston co-operating with a conical seat of an injection nozzle at the end of the pumping stroke}
F02M57/021 (The injector being of valveless type) appears on 77 US grants and 14 published applications in this corpus.
Search patents in F02M- Granted patents
- 77
- Published applications
- 14
- Assignees
- 23
- Inventors
- 115
- Latest grant
- 29 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 10 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 11 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 2 |
| 2004 | 3 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fuel injection system29 Mar 2022US 11,286,895 B2Briggs & Stratton Corporation
- Fuel injection system25 Jun 2019US 10,330,061 B2Picospray, LLC
- Apparatus and method for measuring a fluid vapour in a pumping chamber29 Nov 2016US 9,506,441 B2Robert Bosch GmbH
- Fuel injection system22 Nov 2016US 9,500,170 B2Picospray, LLC
- Vapour measurement12 Aug 2014US 8,805,607 B2Robert Bosch GmbH
- Fuel injection device17 Jun 2021US 2021/0180551 A1Zama Japan Kabushiki Kaisha
- Fuel injection system19 Sep 2019US 2019/0285036 A1Picospray, LLC
- Fuel injection system9 Mar 2017US 2017/0067429 A1Picospray, LLC
- Vapour measurement29 May 2014US 2014/0144209 A1Robert Bosch GmbH
- Fuel injection system1 May 2014US 2014/0117121 A1Picospray, LLC
Most cited
By later US patents
- Individual timing and injection fuel metering system58US 5,441,027 ACummins Engine Company, Inc. · 1995
- Electronic controlled fuel supply system for high pressure injector37US 5,042,445 ACummins Engine Company, Inc. · 1991
- Timing mechanism for a fuel supply system31US 4,249,499 ACummins Engine Company, Inc. · 1981
- Fuel supply system for an internal combustion engine30US 3,951,117 ACummins Engine Company, Inc. · 1976
- Wear resistant fuel injector plunger assembly28US 5,409,165 ACummins Engine Company, Inc. · 1995