F02M 21/0281
Adapters, sockets or the like to mount injection valves onto engines
Official title: {Adapters, sockets or the like to mount injection valves onto engines; Fuel guiding passages between injectors and the air intake system or the combustion chamber}
F02M21/0281 (Adapters, sockets or the like to mount injection valves onto engines) appears on 151 US grants and 149 published applications in this corpus.
Search patents in F02M- Granted patents
- 151
- Published applications
- 149
- Assignees
- 87
- Inventors
- 326
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 4 |
| 2003 | 5 | 5 |
| 2004 | 3 | 6 |
| 2005 | 4 | 4 |
| 2006 | 3 | 3 |
| 2007 | 3 | 4 |
| 2008 | 4 | 8 |
| 2009 | 4 | 2 |
| 2010 | 2 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 8 |
| 2014 | 2 | 19 |
| 2015 | 11 | 8 |
| 2016 | 5 | 11 |
| 2017 | 12 | 7 |
| 2018 | 7 | 3 |
| 2019 | 9 | 5 |
| 2020 | 2 | 5 |
| 2021 | 5 | 2 |
| 2022 | 1 | 5 |
| 2023 | 6 | 10 |
| 2024 | 17 | 14 |
| 2025 | 9 | 7 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Injector for gaseous fuel8 Sep 2026US 12,729,660 B2Phinia Delphi Luxembourg Sarl
- Prechamber assembly9 Jun 2026US 12,650,107 B2Innio Jenbacher GmbH & Co OG
- Fuel injector assembly having sleeve with flow-directing cap and engine system using same3 Feb 2026US 12,540,593 B2Caterpillar Inc.
- Intake runner for gaseous fuel engine, system, and method11 Nov 2025US 12,467,424 B2Caterpillar Inc.
- Fuel admission tube for enhanced mixing in gaseous fuel engine and engine operating method21 Oct 2025US 12,448,939 B1Caterpillar Inc.
- Gas valve16 Jul 2026US 2026/0201856 A1
- Hydrogen engine2 Apr 2026US 2026/0092583 A1Toyota Jidosha Kabushiki Kaisha
- Fuel Injector for a Gaseous Fuel19 Mar 2026US 2026/0078722 A1Marelli Europe S.P.A.
- Dual fuel engine system, an intake manifold, and a method of manufacturing a dual fuel engine system5 Mar 2026US 2026/0063095 A1Cummins Inc.
- Engine8 Jan 2026US 2026/0009367 A1Yanmar Holdings Co., Ltd.
Most cited
By later US patents
- Fuel injector nozzle adapter118US 6,913,210 B2Holley Performance Products, Inc. · 2005
- Method and apparatus for providing multipoint gaseous fuel injection to an internal combustion engine55US 5,713,336 AWoodward Governor Company · 1998
- Liquified petroleum gas fuel supply system40US 5,291,869 A1994
- Controlling the injection in a fuel injection system selectively operable with petrol or fuel gas40US 6,367,443 B1C. R. F. Societa Consortile per Azioni · 2002
- Liquified petroleum gas fuel injector38US 5,325,838 A1994