F02M 21/0236
Multi-way valves
Official title: {Multi-way valves; Multiple valves forming a multi-way valve system}
F02M21/0236 (Multi-way valves) appears on 54 US grants and 48 published applications in this corpus.
Search patents in F02M- Granted patents
- 54
- Published applications
- 48
- Assignees
- 47
- Inventors
- 132
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 2 |
| 2004 | 1 | 2 |
| 2005 | 2 | 2 |
| 2006 | 1 | 5 |
| 2007 | 3 | 0 |
| 2008 | 3 | 1 |
| 2009 | 0 | 4 |
| 2010 | 3 | 1 |
| 2011 | 2 | 6 |
| 2012 | 0 | 1 |
| 2013 | 3 | 0 |
| 2014 | 2 | 2 |
| 2015 | 2 | 2 |
| 2016 | 2 | 1 |
| 2017 | 1 | 4 |
| 2018 | 1 | 3 |
| 2019 | 2 | 2 |
| 2020 | 3 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 3 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- LNG delivery system for gas powered vehicles117US 5,127,230 AMinnesota Valley Engineering, Inc. · 1992
- Method and apparatus for utilizing gaseous and liquid fuels in an internal combustion engine49US 5,816,224 AWelsh Technologies, Inc. · 1998
- Dual-fuel valve27US 6,068,017 AGenerac Power Systems, Inc. · 2000
- Systems for delivering liquified natural gas to an engine23US 6,125,637 ABechtel BWXT Idaho, LLC · 2000
- Fuel supply system for gas-fueled engine20US 5,251,602 AYamaha Hatsudoki Kabushiki Kaisha · 1993