F02D 41/06
For engine starting or warming up
Official title: for engine starting or warming up {(F02D41/0255 takes precedence)}
F02D41/06 (For engine starting or warming up) appears on 3,349 US grants and 2,968 published applications in this corpus.
Search patents in F02D- Granted patents
- 3,349
- Published applications
- 2,968
- Assignees
- 465
- Inventors
- 5,686
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 7 | 0 |
| 1978 | 10 | 0 |
| 1979 | 6 | 0 |
| 1980 | 13 | 0 |
| 1981 | 9 | 0 |
| 1982 | 11 | 0 |
| 1983 | 16 | 0 |
| 1984 | 25 | 0 |
| 1985 | 26 | 0 |
| 1986 | 14 | 0 |
| 1987 | 21 | 0 |
| 1988 | 31 | 0 |
| 1989 | 19 | 0 |
| 1990 | 14 | 0 |
| 1991 | 24 | 0 |
| 1992 | 15 | 0 |
| 1993 | 22 | 0 |
| 1994 | 18 | 0 |
| 1995 | 29 | 0 |
| 1996 | 36 | 0 |
| 1997 | 43 | 0 |
| 1998 | 40 | 0 |
| 1999 | 40 | 0 |
| 2000 | 37 | 0 |
| 2001 | 37 | 21 |
| 2002 | 61 | 85 |
| 2003 | 98 | 107 |
| 2004 | 108 | 123 |
| 2005 | 108 | 103 |
| 2006 | 110 | 94 |
| 2007 | 95 | 107 |
| 2008 | 74 | 116 |
| 2009 | 72 | 155 |
| 2010 | 109 | 134 |
| 2011 | 98 | 120 |
| 2012 | 108 | 102 |
| 2013 | 102 | 141 |
| 2014 | 106 | 140 |
| 2015 | 120 | 146 |
| 2016 | 125 | 165 |
| 2017 | 162 | 150 |
| 2018 | 177 | 197 |
| 2019 | 189 | 167 |
| 2020 | 162 | 139 |
| 2021 | 162 | 125 |
| 2022 | 148 | 113 |
| 2023 | 111 | 82 |
| 2024 | 86 | 48 |
| 2025 | 54 | 48 |
| 2026 | 32 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Information processor for vehicle6 Oct 2026US 12,753,729 B2Toyota Jidosha Kabushiki Kaisha
- Systems and methods for migitating cold start emissions by managing turbocharger turbine speed29 Sep 2026US 12,747,710 B2GM Global Technology Operations LLC
- Method to enhance the performance of a heavy-duty diesel-H2 dual-fuel engine through engine system optimization22 Sep 2026US 12,742,429 B2Saudi Arabian Oil Company
- Method to enhance the performance of a heavy-duty diesel-H2 dual-fuel engine through engine system optimization22 Sep 2026US 12,742,430 B2Saudi Arabian Oil Company
- Systems and methods for engine start15 Sep 2026US 12,736,015 B2Polaris Industries Inc.
- Methods and systems for controlling an engine following a fuel cut-off event17 Sep 2026US 2026/0275929 A1Ford Global Technologies, LLC
- Engine control device and engine fuel control device10 Sep 2026US 2026/0266234 A1Oppama Industry Co., Ltd.
- Idle stop control method and device for vehicle with internal combustion engine10 Sep 2026US 2026/0266253 A1Nissan Motor Co., Ltd.
- Engine control system3 Sep 2026US 2026/0258763 A1JCB Research
- Engine control device and engine control method3 Sep 2026US 2026/0258764 A1Yamabiko Corporation
Most cited
By later US patents
- Surgical stapling systems and staple cartridges for deploying surgical staples with tissue compression features2,424US 7,604,151 B2Ethicon Endo-Surgery, Inc. · 2009
- Surgical stapling instruments having a releasable staple-forming pocket2,400US 7,438,209 B1Ethicon Endo-Surgery, Inc. · 2008
- Staple cartridge cavity configurations2,227US 8,590,762 B2Ethicon Endo-Surgery, Inc. · 2013
- Surgical stapling systems and staple cartridges for deploying surgical staples with tissue compression features2,208US 8,186,560 B2Ethicon Endo-Surgery, Inc. · 2012
- Washer for use with a surgical stapling instrument2,143US 7,669,747 B2Ethicon Endo-Surgery, Inc. · 2010