F02D 19/0678
Pressure or flow regulators therefor
Official title: {Pressure or flow regulators therefor; Fuel metering valves therefor}
F02D19/0678 (Pressure or flow regulators therefor) appears on 109 US grants and 94 published applications in this corpus.
Search patents in F02D- Granted patents
- 109
- Published applications
- 94
- Assignees
- 65
- Inventors
- 213
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 1 |
| 2004 | 2 | 1 |
| 2005 | 2 | 3 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 3 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 3 |
| 2011 | 4 | 5 |
| 2012 | 1 | 0 |
| 2013 | 2 | 5 |
| 2014 | 0 | 5 |
| 2015 | 4 | 4 |
| 2016 | 4 | 6 |
| 2017 | 5 | 9 |
| 2018 | 4 | 4 |
| 2019 | 6 | 5 |
| 2020 | 6 | 7 |
| 2021 | 4 | 2 |
| 2022 | 3 | 0 |
| 2023 | 6 | 8 |
| 2024 | 7 | 2 |
| 2025 | 5 | 7 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Engine system and method for determining fuel characteristics12 May 2026US 12,624,668 B2Caterpillar Inc.
- Apparatus and method for regulating gaseous fuel pressure and mitigating emissions in an internal combustion engine system7 Apr 2026US 12,595,772 B2Cespira Canada LP
- System and method for controlling a fuel supply system20 Jan 2026US 12,529,345 B2Volvo Truck Corporation
- Supplemental fuel system for compression-ignition engine30 Dec 2025US 12,510,043 B2American CNG, LLC
- Apparatus and method for regulating and injecting gaseous fuel into an internal combustion engine14 Oct 2025US 12,442,337 B2HPDI Technology LP
- Multi-fuel engine system and method for controlling same8 Oct 2026US 2026/0309102 A1Hd Hyundai Heavy Industries Co., Ltd.
- Internal combustion engine21 May 2026US 2026/0139636 A1Toyota Jidosha Kabushiki Kaisha
- Multi-walled fuel system, method of operating multi-walled fuel system, and engine containing multi-walled fuel system23 Apr 2026US 2026/0110270 A1Cummins Inc.
- Fuel system for engine2 Apr 2026US 2026/0092584 A1American CNG, LLC
- Apparatus and method for regulating and injecting gaseous fuel into an internal combustion engine5 Feb 2026US 2026/0036095 A1Cespira Canada LP
Most cited
By later US patents
- Fuel control system79US 4,641,625 AIndustrial Trade Exchange, Inc. · 1987
- Fuel supply system73US 6,622,664 B2Daimler Chrysler AG · 2003
- Method and apparatus for supplying fuel to an internal combustion engine69US 5,911,210 ACooper Cameron Corporation · 1999
- Dual fuel supply system67US 4,502,453 AGeneral Motors Corporation · 1985
- Gas-diesel dual fuel engine64US 4,603,674 AYanmar Diesel Engine Co., Ltd. · 1986