F02M 63/0047
Four-way valves or valves with more than four ways
Official title: {Four-way valves or valves with more than four ways}
F02M63/0047 (Four-way valves or valves with more than four ways) appears on 30 US grants and 31 published applications in this corpus.
Search patents in F02M- Granted patents
- 30
- Published applications
- 31
- Assignees
- 21
- Inventors
- 64
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 4 |
| 2004 | 0 | 4 |
| 2005 | 2 | 2 |
| 2006 | 3 | 2 |
| 2007 | 2 | 3 |
| 2008 | 3 | 4 |
| 2009 | 2 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 2 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual fuel system having dual fuel injector and engine operating method9 Dec 2025US 12,492,670 B2Caterpillar Inc.
- Dual fuel system having dual fuel injector and engine operating method14 Nov 2023US 11,815,054 B2Caterpillar Inc.
- Dual fuel system having dual fuel injector and engine operating method12 Jul 2022US 11,384,721 B1Caterpillar Inc.
- Fuel injector arrangement28 Jul 2020US 10,724,447 B2Woodward L'Orange GmbH
- Fuel-pumping device for an internal combustion engine, and a method for pumping fuel in a fuel-pumping device26 May 2020US 10,662,915 B2Robert Bosch GmbH
- Dual fuel system having dual fuel injector and engine operating method12 Feb 2026US 2026/0043381 A1Caterpillar Inc.
- Dual fuel system having dual fuel injector and engine operating method12 Feb 2026US 2026/0043382 A1Caterpillar Inc.
- Dual fuel system having dual fuel injector and engine operating method8 Feb 2024US 2024/0044308 A1Caterpillar Inc.
- Dual fuel system having dual fuel injector and engine operating method15 Sep 2022US 2022/0290641 A1Caterpillar Inc.
- Dual fuel system having dual fuel injector and engine operating method4 Aug 2022US 2022/0243691 A1Caterpillar Inc.
Most cited
By later US patents
- Electronically-controlled fluid injector system having pre-injection pressurizable fluid storage chamber and direct-operated check44US 5,551,398 ACaterpillar Inc. · 1996
- Electronically-controlled fluid injector system having pre-injection pressurizable fluid storage chamber and direct-operated check39US 5,628,293 ACaterpillar Inc. · 1997
- Fuel injection system for an internal combustion engine19US 5,979,410 ARobert Bosch GmbH · 1999
- Multi-stage intensifiers adapted for pressurized fluid injectors18US 7,032,574 B2Sturman Industries, Inc. · 2006
- Fuel injector system17US 5,299,919 A1994