F02M 21/0272
Ball valves
Official title: {Ball valves; Plate valves; Valves having deformable or flexible parts, e.g. membranes; Rotatable valves}
F02M21/0272 (Ball valves) appears on 49 US grants and 40 published applications in this corpus.
Search patents in F02M- Granted patents
- 49
- Published applications
- 40
- Assignees
- 39
- Inventors
- 124
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 3 |
| 2015 | 0 | 4 |
| 2016 | 1 | 3 |
| 2017 | 3 | 3 |
| 2018 | 2 | 3 |
| 2019 | 6 | 4 |
| 2020 | 2 | 2 |
| 2021 | 2 | 3 |
| 2022 | 3 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel delivery assembly1 Sep 2026US 12,723,560 B1Caterpillar Inc.
- Gas metering valve for internal combustion engines16 Jan 2024US 11,873,784 B2Robert Bosch GmbH
- Asynchronous rotary fuel valve21 Mar 2023US 11,608,789 B1Woodward, Inc.
- Gas fuel supply system11 Oct 2022US 11,466,646 B2Robert Bosch GmbH
- Fluid injector and needle for a fluid injector31 May 2022US 11,346,307 B2Vitesco Technologies GmbH
- Valve assembly with hard surface treatment3 Apr 2025US 2025/0109728 A1
- Injector for injecting fuel16 Jan 2025US 2025/0020091 A1Liebherr-Components Deggendorf GmbH
- Asynchronous rotary fuel valve2 Mar 2023US 2023/0060293 A1Woodward, Inc.
- Gas metering valve for internal combustion engines23 Feb 2023US 2023/0053845 A1Robert Bosch GmbH
- Electromagnetically actuatable metering valve, method for operating an electromagnetically actuatable metering valve10 Feb 2022US 2022/0042482 A1
Most cited
By later US patents
- Ignition system for water-cooled gas engines54US 5,222,993 AGas Research Institute · 1993
- Liquified petroleum gas fuel supply system40US 5,291,869 A1994
- Liquified petroleum gas fuel injector38US 5,325,838 A1994
- High speed electrically actuated gaseous fuel admission valve35US 5,398,724 AWoodward Governor Company · 1995
- Check valve for the pre-combustion chamber of an internal combustion engine29US 5,791,374 A1998