F02B 35/02
Engines characterised by provision of pumps for sucking combustion residues from cylinders
Official title: using rotary pumps
F02B35/02 (Engines characterised by provision of pumps for sucking combustion residues from cylinders) appears on 21 US grants and 10 published applications in this corpus.
Search patents in F02B- Granted patents
- 21
- Published applications
- 10
- Assignees
- 8
- Inventors
- 31
- Latest grant
- 1 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 3 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Gas engine heat pump1 Nov 2022US 11,486,331 B2LG Electronics Inc.
- Externally powered turbine for an internal combustion engine4 May 2021US 10,995,657 B2
- Inverted brayton cycle heat engine2 Mar 2021US 10,934,894 B2Hieta Technologies Limited
- Internal combustion engine3 May 2016US 9,328,654 B2
- Exhaust evacuation apparatus13 May 2014US 8,720,194 B2
- Gas engine heat pump24 Feb 2022US 2022/0056837 A1LG Electronics Inc.
- Forced exhaust system for increasing engine efficiency17 Oct 2019US 2019/0316515 A1
- Externally powered turbine for an internal combustion engine20 Jun 2019US 2019/0186350 A1
- Inverted brayton cycle heat engine27 Dec 2018US 2018/0371954 A1Hieta Technologies Limited
- Assembly including a heat engine and an electrical compressor configured such as to scavenge residual burnt gases1 Dec 2016US 2016/0348572 A1Valeo Systemes de Controle Moteur
Most cited
By later US patents
- Engine exhaust control system and method59US 4,912,927 A1990
- Exhaust apparatus34US 5,941,069 AMadison Combustion Associates · 1999
- Device for facilitating exhaust action of an internal combustion engine23US 5,282,361 A1994
- Device and method for filtering internal combustion engine exhaust gases and vehicle equipped with such a device21US 6,185,934 B12001
- Exhaust apparatus17US 5,542,249 AMadison Combustion Associates · 1996