F02P 5/1455
By using a second control of the closed loop type
Official title: {by using a second control of the closed loop type (dependent on pinking F02P5/152)}
F02P5/1455 (By using a second control of the closed loop type) appears on 190 US grants and 13 published applications in this corpus.
Search patents in F02P- Granted patents
- 190
- Published applications
- 13
- Assignees
- 51
- Inventors
- 305
- Latest grant
- 13 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 18 | 0 |
| 1984 | 19 | 0 |
| 1985 | 11 | 0 |
| 1986 | 10 | 0 |
| 1987 | 14 | 0 |
| 1988 | 9 | 0 |
| 1989 | 12 | 0 |
| 1990 | 17 | 0 |
| 1991 | 13 | 0 |
| 1992 | 10 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 3 |
| 2019 | 4 | 0 |
| 2020 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Speed optimality analysis for evaluating the optimality of a powertrain13 Oct 2020US 10,801,921 B2PACCAR Inc
- Ignition coil and method for operating26 Nov 2019US 10,487,792 B2BorgWarner Ludwigsburg GmbH
- Methods and systems for an exhaust oxygen sensor operation24 Sep 2019US 10,422,292 B2Ford Global Technologies, LLC
- Speed optimality analysis for evaluating the optimality of a powertrain17 Sep 2019US 10,416,043 B2PACCAR Inc
- Method and system for ignition control28 May 2019US 10,302,063 B2Ford Global Technologies, LLC
- Speed optimality analysis for evaluating the optimality of a powertrain16 Apr 2020US 2020/0116592 A1PACCAR Inc
- Speed optimality analysis for evaluating the optimality of a powertrain27 Dec 2018US 2018/0372057 A1PACCAR Inc
- Methods and systems for an exhaust oxygen sensor operation27 Sep 2018US 2018/0274469 A1Ford Global Technologies, LLC
- Ignition coil and method for operating13 Sep 2018US 2018/0258902 A1BorgWarner Ludwigsburg GmbH
- Method and system for determining knock control fluid composition8 Jun 2017US 2017/0159614 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Method for generating a table of engine calibration control values141US 4,383,441 AFord Motor Company · 1983
- Warm up control for closed loop engine roughness fuel control77US 4,197,767 AThe Bendix Corporation · 1980
- Closed loop timing and fuel distribution controls70US 4,357,662 AThe Bendix Corporation · 1982
- Adaptive strategy to control internal combustion engine70US 4,438,497 AFord Motor Company · 1984
- Apparatus and method for controlling the air/fuel ratio of an internal combustion engine69US 5,036,669 ACaterpillar Inc. · 1991