F02M 26/63
The egr valve being directly controlled by an operator
Official title: the EGR valve being directly controlled by an operator (the EGR valve being operated together with an intake air throttle F02M26/64)
F02M26/63 (The egr valve being directly controlled by an operator) appears on 48 US grants and 8 published applications in this corpus.
Search patents in F02M- Granted patents
- 48
- Published applications
- 8
- Assignees
- 31
- Inventors
- 71
- Latest grant
- 18 Jan 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 3 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 2 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Exhaust temperature maintenance using a parasitic load18 Jan 2022US 11,225,920 B2Caterpillar Inc.
- Method and systems for EGR control6 Oct 2020US 10,794,304 B2Transportation IP Holdings, LLC
- Exhaust temperature maintenance using a parasitic load6 Oct 2020US 10,794,306 B2Caterpillar Inc.
- Exhaust gas recirculation valve15 Oct 2019US 10,443,547 B2Hyundai Motor Company
- Method and systems for EGR control24 Apr 2018US 9,951,701 B2General Electric Company
- Exhaust temperature maintenance using a parasitic load12 Nov 2020US 2020/0355133 A1Caterpillar Inc.
- Exhaust temperature maintenance using a parasitic load30 Jul 2020US 2020/0240336 A1Caterpillar Inc.
- Exhaust gas recirculation valve18 Apr 2019US 2019/0113009 A1Hyundai Motor Company
- Method and systems for egr control9 Aug 2018US 2018/0223753 A1General Electric Company
- Engine refurbishment using ionized air1 Sep 2016US 2016/0252025 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Exhaust gas recirculation system for a diesel engine62US 4,020,809 ACaterpillar Tractor Co. · 1977
- Fast response exhaust gas recirculation (EGR) system49US 4,924,840 AFord Motor Company · 1990
- Exhaust gas recirculation system with an auxiliary valve33US 4,224,912 AToyota Jidosha Kogyo Kabushiki Kaisha · 1980
- Exhaust gas recirculation for three-valve engine29US 3,941,105 AHonda Giken Kogyo Kabushiki Kaisha · 1976
- Device for the control of gas admissions into the induction manifold of an internal combustion engine25US 4,171,689 ARobert Bosch GmbH · 1979