F02D 41/1474
By detecting the commutation time of the sensor
Official title: {by detecting the commutation time of the sensor}
F02D41/1474 (By detecting the commutation time of the sensor) appears on 189 US grants and 64 published applications in this corpus.
Search patents in F02D- Granted patents
- 189
- Published applications
- 64
- Assignees
- 62
- Inventors
- 361
- Latest grant
- 8 Feb 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 8 | 0 |
| 1984 | 9 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 1 |
| 2002 | 7 | 12 |
| 2003 | 11 | 5 |
| 2004 | 5 | 1 |
| 2005 | 6 | 3 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 9 |
| 2009 | 3 | 4 |
| 2010 | 5 | 4 |
| 2011 | 3 | 5 |
| 2012 | 3 | 1 |
| 2013 | 3 | 4 |
| 2014 | 3 | 4 |
| 2015 | 3 | 1 |
| 2016 | 4 | 3 |
| 2017 | 0 | 4 |
| 2018 | 3 | 0 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and systems for engine control8 Feb 2022US 11,242,784 B2Transportation IP Holdings, LLC
- Method and systems for particulate matter control29 Jun 2021US 11,047,277 B2Transportation IP Holdings, LLC
- Method for diagnosing a lambda sensor during ongoing operation30 Jun 2020US 10,697,930 B2Robert Bosch GmbH
- Method for operating an oxygen sensor, computer program product and oxygen sensor27 Aug 2019US 10,393,717 B2Continental Automotive GmbH
- Method for detecting a voltage offset at least in a portion of a voltage lambda characteristic curve26 Mar 2019US 10,241,005 B2Robert Bosch GmbH
- Method and systems for engine control5 Aug 2021US 2021/0239019 A1Transportation IP Holdings, LLC
- Method and systems for particulate matter control14 Nov 2019US 2019/0345858 A1Ge Global Sourcing LLC
- Method for Operating an Oxygen Sensor, Computer Program Product and Oxygen Sensor14 Dec 2017US 2017/0356894 A1Continental Automotive GmbH
- Method for detecting a voltage offset at least in a portion of a voltage lambda characteristic curve9 Nov 2017US 2017/0322115 A1Robert Bosch GmbH
- Internal combustion engine3 Aug 2017US 2017/0218874 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Method and apparatus for monitoring the activity of catalytic reactors112US 3,969,932 ARobert Bosch GmbH · 1976
- Exhaust gas purification device for an engine83US 5,448,887 AToyota Jidosha Kabushiki Kaisha · 1995
- Method for controlling air-fuel ratio in internal combustion engine69US 6,012,428 AHonda Giken Kogyo Kabushiki Kaisha · 2000
- System and method for controlling air-fuel ratio in internal combustion engine68US 5,803,048 AHonda Giken Kogyo Kabushiki Kaisha · 1998
- Method and apparatus for fuel/air mixture adjustment66US 4,178,883 ARobert Bosch GmbH · 1979