F02D 2041/202
Characterised by the control of the circuit
Official title: {characterised by the control of the circuit}
F02D2041/202 (Characterised by the control of the circuit) appears on 1,573 US grants and 1,366 published applications in this corpus.
Search patents in F02D- Granted patents
- 1,573
- Published applications
- 1,366
- Assignees
- 347
- Inventors
- 2,816
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 10 | 0 |
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 16 | 0 |
| 1986 | 12 | 0 |
| 1987 | 15 | 0 |
| 1988 | 13 | 0 |
| 1989 | 6 | 0 |
| 1990 | 9 | 0 |
| 1991 | 5 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 13 | 0 |
| 1996 | 10 | 0 |
| 1997 | 12 | 0 |
| 1998 | 23 | 0 |
| 1999 | 36 | 0 |
| 2000 | 22 | 0 |
| 2001 | 32 | 15 |
| 2002 | 39 | 35 |
| 2003 | 47 | 50 |
| 2004 | 54 | 57 |
| 2005 | 42 | 54 |
| 2006 | 57 | 45 |
| 2007 | 34 | 35 |
| 2008 | 39 | 56 |
| 2009 | 26 | 72 |
| 2010 | 45 | 65 |
| 2011 | 42 | 66 |
| 2012 | 44 | 67 |
| 2013 | 49 | 46 |
| 2014 | 50 | 67 |
| 2015 | 52 | 90 |
| 2016 | 69 | 83 |
| 2017 | 68 | 80 |
| 2018 | 98 | 90 |
| 2019 | 88 | 70 |
| 2020 | 97 | 56 |
| 2021 | 71 | 68 |
| 2022 | 86 | 43 |
| 2023 | 34 | 17 |
| 2024 | 23 | 17 |
| 2025 | 19 | 13 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02D 2041/2058Using information of the actual current valueIndexing code647
- F02D 2041/2024The control switching a load after time-on and time-off pulsesIndexing code439
- F02D 2041/2055With means for determining actual opening or closing timeIndexing code410
- F02D 2041/2051Using voltage controlIndexing code332
- F02D 2041/2048Said control involving a limitationIndexing code136
- F02D 2041/2065The control being related to the coil temperatureIndexing code113
- F02D 2041/2034Control of the current gradientIndexing code103
- F02D 2041/2037For preventing bouncing of the valve needleIndexing code90
Recent patents
- Injector valve force control11 Aug 2026US 12,704,100 B2Caterpillar Inc.
- Asymmetric fuel injection window and fuel metering window17 Mar 2026US 12,577,918 B2Caterpillar Inc.
- Oxygen sensor heater control for hybrid vehicle3 Mar 2026US 12,565,864 B2Fca US LLC
- Valve arrival time detection in fuel system having dual solenoid operated valves3 Mar 2026US 12,565,870 B2Caterpillar Inc.
- Electromagnetic valve driving device17 Feb 2026US 12,553,400 B2Hitachi Astemo, Ltd.
- Internal Combustion Engine Control Device and Control System for Mobile Object27 Aug 2026US 2026/0251104 A1Astemo, Ltd.
- System and related method for fuel injection systems13 Aug 2026US 2026/0235096 A1Caterpillar Inc.
- Fueling system controls including detection of valve fully open condition16 Jul 2026US 2026/0201846 A1Cummins Inc.
- Internal combustion engine and fueling system for injecting gaseous fuel and method for releasing movable mass from valve seat25 Jun 2026US 2026/0177020 A1
- Injector valve force control18 Jun 2026US 2026/0168457 A1Caterpillar Inc.
Most cited
By later US patents
- Method for operating a piezoelectric element327US 8,089,197 B2Epcos AG · 2012
- Internal combustion engine control for improved fuel efficiency214US 8,099,224 B2Tula Technology, Inc. · 2012
- Internal combustion engine control for improved fuel efficiency109US 8,131,445 B2Tula Technology, Inc. · 2012
- Method of operating an electromagnetically actuated fuel intake or exhaust valve of an internal combustion engine102US 4,823,825 A1989
- System and methods for electronic control of an accumulator fuel system101US 5,678,521 ACummins Engine Company, Inc. · 1997