F02D 2041/1432
The system including a filter
Official title: {the system including a filter, e.g. a low pass or high pass filter}
F02D2041/1432 (The system including a filter) appears on 610 US grants and 515 published applications in this corpus.
Search patents in F02D- Granted patents
- 610
- Published applications
- 515
- Assignees
- 186
- Inventors
- 1,346
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 9 | 0 |
| 1996 | 7 | 0 |
| 1997 | 11 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 16 | 0 |
| 2001 | 23 | 5 |
| 2002 | 18 | 18 |
| 2003 | 24 | 14 |
| 2004 | 12 | 14 |
| 2005 | 22 | 22 |
| 2006 | 16 | 19 |
| 2007 | 18 | 20 |
| 2008 | 15 | 26 |
| 2009 | 12 | 34 |
| 2010 | 25 | 22 |
| 2011 | 26 | 22 |
| 2012 | 14 | 33 |
| 2013 | 28 | 35 |
| 2014 | 24 | 25 |
| 2015 | 30 | 22 |
| 2016 | 24 | 29 |
| 2017 | 29 | 23 |
| 2018 | 32 | 21 |
| 2019 | 28 | 15 |
| 2020 | 19 | 23 |
| 2021 | 19 | 17 |
| 2022 | 28 | 27 |
| 2023 | 19 | 15 |
| 2024 | 16 | 5 |
| 2025 | 6 | 5 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low resistance exhaust system with correction module for regeneration control5 May 2026US 12,618,353 B1
- Internal combustion engine misfire detecting device and misfire detecting method13 Jan 2026US 12,523,170 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Method, system and computer program product for performing an on-board diagnostic function in a motor vehicle23 Dec 2025US 12,503,126 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Detecting engine misfire events for vehicles using filtering23 Dec 2025US 12,503,986 B1GM Global Technology Operations LLC
- Engine diagnosis method and engine diagnosis device21 Oct 2025US 12,450,957 B2Nissan Motor Co., Ltd.
- Engine diagnosis system and engine diagnosis method20 Aug 2026US 2026/0243628 A1Komatsu Ltd.
- System and related method for fuel injection systems13 Aug 2026US 2026/0235096 A1Caterpillar Inc.
- System and related methods for fuel pressure monitoring11 Jun 2026US 2026/0160217 A1Caterpillar Inc.
- Fuel quantity monitoring using fuel rail pressure9 Apr 2026US 2026/0098503 A1Caterpillar Inc.
- Work Vehicle18 Dec 2025US 2025/0382924 A1Kubota Corporation
Most cited
By later US patents
- Method for engine control136US 5,445,128 ADetroit Diesel Corporation · 1995
- System and method for monitoring and detecting faults in a closed-loop system118US 8,700,360 B2Cummins Intellectual Properties, Inc. · 2014
- Prognostics monitor for systems that are subject to failure109US 6,456,928 B1Honeywell International Inc. · 2002
- Method and system for engine control102US 5,477,827 ADetroit Diesel Corporation · 1995
- Method and system for detecting the misfire of an internal combustion engine utilizing engine torque nonuniformity93US 5,278,760 AHitachi America, Ltd. · 1994