F02D 41/2464
Characteristics of actuators
Official title: {Characteristics of actuators}
F02D41/2464 (Characteristics of actuators) appears on 1,026 US grants and 1,003 published applications in this corpus.
Search patents in F02D- Granted patents
- 1,026
- Published applications
- 1,003
- Assignees
- 207
- Inventors
- 1,950
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 11 | 0 |
| 2001 | 15 | 4 |
| 2002 | 15 | 11 |
| 2003 | 21 | 23 |
| 2004 | 18 | 22 |
| 2005 | 29 | 37 |
| 2006 | 37 | 28 |
| 2007 | 24 | 34 |
| 2008 | 32 | 33 |
| 2009 | 17 | 66 |
| 2010 | 37 | 47 |
| 2011 | 41 | 42 |
| 2012 | 26 | 37 |
| 2013 | 28 | 33 |
| 2014 | 24 | 44 |
| 2015 | 34 | 74 |
| 2016 | 56 | 79 |
| 2017 | 76 | 67 |
| 2018 | 75 | 80 |
| 2019 | 91 | 62 |
| 2020 | 74 | 35 |
| 2021 | 53 | 42 |
| 2022 | 48 | 31 |
| 2023 | 26 | 21 |
| 2024 | 27 | 22 |
| 2025 | 17 | 17 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Injector valve force control11 Aug 2026US 12,704,100 B2Caterpillar Inc.
- Method for actuating an injector, and control unit23 Jun 2026US 12,662,973 B2Robert Bosch GmbH
- Diagnosing and remediating fuel injection drift utilizing fuel rail pressure measurements19 May 2026US 12,631,153 B2Caterpillar Inc.
- Electromagnetic valve driving device17 Feb 2026US 12,553,400 B2Hitachi Astemo, Ltd.
- Power determination apparatus and power determination method13 Jan 2026US 12,523,185 B2Isuzu Motors Limited
- Non-intrusive fueling event measurement for fueling systems8 Oct 2026US 2026/0309103 A1Cummins-Scania HPCR System, LLC
- Internal Combustion Engine Control Device and Internal Combustion Engine Control Method20 Aug 2026US 2026/0243213 A1Astemo, Ltd.
- System and related method for fuel injection systems13 Aug 2026US 2026/0235096 A1Caterpillar Inc.
- Method for controlling an execution of functions during the operation of an internal combustion engine23 Jul 2026US 2026/0210309 A1
- Injector valve force control18 Jun 2026US 2026/0168457 A1Caterpillar Inc.
Most cited
By later US patents
- Method and structure for controlling an apparatus, such as a fuel injector, using electronic trimming70US 5,634,448 ACaterpillar Inc. · 1997
- Apparatus for controlling the air-fuel ratio in an internal combustion engine68US 5,752,492 AToyota Jidosha Kabushiki Kaisha · 1998
- Method and apparatus for controlling the operation of a pump63US 4,248,194 ATRW Inc. · 1981
- Fuel injection control system for engine58US 6,755,176 B2Denso Corporation · 2004
- System and method for engine with fuel vapor purging58US 7,302,933 B2Ford Global Technologies, LLC · 2007