F02M 63/0045
Three-way valves
Official title: {Three-way valves}
F02M63/0045 (Three-way valves) appears on 141 US grants and 126 published applications in this corpus.
Search patents in F02M- Granted patents
- 141
- Published applications
- 126
- Assignees
- 46
- Inventors
- 261
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 6 | 10 |
| 2003 | 8 | 6 |
| 2004 | 11 | 21 |
| 2005 | 11 | 12 |
| 2006 | 8 | 16 |
| 2007 | 13 | 12 |
| 2008 | 10 | 7 |
| 2009 | 7 | 9 |
| 2010 | 3 | 3 |
| 2011 | 6 | 4 |
| 2012 | 5 | 3 |
| 2013 | 3 | 3 |
| 2014 | 1 | 3 |
| 2015 | 4 | 2 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 3 |
| 2020 | 6 | 3 |
| 2021 | 5 | 2 |
| 2022 | 1 | 2 |
| 2023 | 3 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for at-cylinder fuel switching27 Jan 2026US 12,535,041 B2Caterpillar Inc.
- Activation of multiple gas needles using a 3/2 pilot valve26 Sep 2023US 11,767,815 B2Woodward L'Orange GmbH
- Flow control system9 May 2023US 11,643,998 B2Volvo Truck Corporation
- Device for controlling an injector21 Mar 2023US 11,608,805 B2Liebherr-Components Deggendorf GmbH
- Method and system for valve movement detection25 Jan 2022US 11,230,990 B2Caterpillar Inc.
- Systems and methods for at-cylinder fuel switching5 Jun 2025US 2025/0179970 A1Caterpillar Inc.
- A flow control system17 Nov 2022US 2022/0364534 A1Volvo Truck Corporation
- Activation of multiple gas needles using a 3/2 pilot valve30 Jun 2022US 2022/0205418 A1Woodward L'Orange GmbH
- Method and system for valve movement detection13 May 2021US 2021/0140386 A1Caterpillar Inc.
- Fuel injector1 Apr 2021US 2021/0095628 A1Delphi Technologies IP Limited
Most cited
By later US patents
- Piezoelectric controlled common rail injector with hydraulic amplification of piezoelectric stroke99US 5,779,149 ASiemens Automotive Corporation · 1998
- Pressure-controlled fuel injection for internal combustion engines86US 4,628,881 ABKM, Inc. · 1986
- Hydraulically-actuated fuel injector with direct control needle valve61US 5,687,693 ACaterpillar Inc. · 1997
- Hydraulically-actuated fuel injector with direct control needle valve61US 5,738,075 ACaterpillar Inc. · 1998
- Mixed mode fuel injector with individually moveable needle valve members52US 6,769,635 B2Caterpillar Inc. · 2004