F02M 65/001
Measuring fuel delivery of a fuel injector
Official title: {Measuring fuel delivery of a fuel injector}
F02M65/001 (Measuring fuel delivery of a fuel injector) appears on 134 US grants and 123 published applications in this corpus.
Search patents in F02M- Granted patents
- 134
- Published applications
- 123
- Assignees
- 69
- Inventors
- 290
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 1 |
| 2003 | 1 | 7 |
| 2004 | 2 | 1 |
| 2005 | 2 | 2 |
| 2006 | 4 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 2 | 5 |
| 2012 | 3 | 6 |
| 2013 | 4 | 13 |
| 2014 | 5 | 11 |
| 2015 | 9 | 9 |
| 2016 | 10 | 9 |
| 2017 | 10 | 6 |
| 2018 | 12 | 12 |
| 2019 | 10 | 8 |
| 2020 | 10 | 7 |
| 2021 | 9 | 4 |
| 2022 | 5 | 4 |
| 2023 | 5 | 4 |
| 2024 | 4 | 4 |
| 2025 | 0 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gaseous fuel injector diagnostics1 Sep 2026US 12,723,553 B1Cummins Inc.
- Methods for measuring fuel quantity during multipulse fuel injection events in a common rail fuel system19 Nov 2024US 12,146,451 B2Cummins Inc.
- Estimating a level of corrosion of an injector15 Oct 2024US 12,116,948 B2Vitesco Technologies GmbH
- Onboard diagnosis and compensation for tip wear in fuel injector28 May 2024US 11,994,083 B2Caterpillar Inc.
- Method, program product and computer for estimating the static flow rate of a piezoelectric injector26 Mar 2024US 11,939,932 B2Vitesco Technologies GmbH
- Fuel injector testing device30 Apr 2026US 2026/0117733 A1
- Method for determining a flow rate of fluid in a vehicle engine system12 Feb 2026US 2026/0043369 A1Vitesco Technologies GmbH
- Non-invasive device for simultaneous testing dynamic characteristics and injection law of gas needle valve and method thereof13 Feb 2025US 2025/0052642 A1Harbin Engineering University
- Method for testing a fuel injector for an internal combustion engine19 Dec 2024US 2024/0418139 A1Volvo Truck Corporation
- Injection needle blowoff apparatus and injection testing systems11 Jul 2024US 2024/0229751 A1Illinois Tool Works Inc.
Most cited
By later US patents
- Fuel injection cleaning and testing system and apparatus39US 4,520,773 AMiller Special Tools Division Triangle Corporation · 1985
- Apparatus and methods for cleaning and testing fuel injectors32US 6,234,002 B12001
- Fuel injection cleaning and testing system and apparatus30US 5,633,457 ATriangle Special Products · 1997
- Fuel injector testing device and method29US 4,788,858 ATIF Instruments, Inc. · 1988
- Injector cleaning/testing apparatus25US 4,977,872 AAutomated Engineering Systems Limited · 1990