F02D 19/0626
Measuring or estimating parameters related to the fuel supply system
Official title: {Measuring or estimating parameters related to the fuel supply system}
F02D19/0626 (Measuring or estimating parameters related to the fuel supply system) appears on 596 US grants and 568 published applications in this corpus.
Search patents in F02D- Granted patents
- 596
- Published applications
- 568
- Assignees
- 236
- Inventors
- 1,190
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 12 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 0 |
| 2002 | 10 | 13 |
| 2003 | 13 | 13 |
| 2004 | 10 | 14 |
| 2005 | 9 | 16 |
| 2006 | 15 | 9 |
| 2007 | 9 | 25 |
| 2008 | 18 | 24 |
| 2009 | 19 | 47 |
| 2010 | 25 | 47 |
| 2011 | 32 | 43 |
| 2012 | 30 | 28 |
| 2013 | 30 | 25 |
| 2014 | 23 | 32 |
| 2015 | 17 | 34 |
| 2016 | 27 | 30 |
| 2017 | 40 | 31 |
| 2018 | 19 | 28 |
| 2019 | 24 | 22 |
| 2020 | 25 | 13 |
| 2021 | 24 | 17 |
| 2022 | 15 | 10 |
| 2023 | 14 | 7 |
| 2024 | 11 | 11 |
| 2025 | 16 | 16 |
| 2026 | 6 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Engine control system for intake valve opening timing during cold start11 Aug 2026US 12,704,099 B2Cummins Power Generation Inc.
- Dual fuel engine system and method for controlling dual fuel engine system30 Jun 2026US 12,669,093 B2Cummins Power Generation Inc.
- Engine system and method for determining fuel characteristics12 May 2026US 12,624,668 B2Caterpillar Inc.
- Method for operating an internal combustion engine28 Apr 2026US 12,612,879 B2Innio Jenbacher GmbH & Co OG
- Fuel system for a spark ignition engine21 Apr 2026US 12,607,150 B2Fpt Industrial S.P.A.
- Improvements relating to internal combustion engines3 Sep 2026US 2026/0258758 A1Commonwealth Scientific and Industrial Research Organisation
- Mixed-combustion electronic control device6 Aug 2026US 2026/0226867 A1Hitachi, Ltd.
- Fuel type detection for internal combustion engine6 Aug 2026US 2026/0226868 A1Caterpillar Inc.
- Fueling system controls including detection of valve fully open condition16 Jul 2026US 2026/0201846 A1Cummins Inc.
- A fuel mixture for operating an internal combustion engine2 Jul 2026US 2026/0185493 A1WäRtsilä Finland Oy
Most cited
By later US patents
- Bi-fuel control system and retrofit assembly for diesel engines231US 6,543,395 B2Gas Technologies LLC · 2003
- Methods and apparatus for operation of multiple fuel engines199US 7,222,015 B2Engine Control Technology, LLC · 2007
- Control system for two cycle direct injection engine and the method thereof165US 6,158,411 AFuji Jukogyo Kabushiki Kaisha · 2000
- Multiple fuel supply system for an internal combustion engine164US 4,031,864 AThe United States of America as represented by the United States Energy Research and Development Administration · 1977
- Internal combustion engine137US 6,990,956 B2Toyota Jidosha Kabushiki Kaisha · 2006