Y10S 60/901
Exhaust treatment special to rotary internal combustion engines
Y10S60/901 (Exhaust treatment special to rotary internal combustion engines) appears on 19 US grants and 2 published applications in this corpus.
Search patents in Y10S- Granted patents
- 19
- Published applications
- 2
- Assignees
- 11
- Inventors
- 32
- Latest grant
- 27 Mar 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Rotary internal combustion engine with exhaust purge27 Mar 2018US 9,926,842 B2Pratt & Whitney Canada Corp.
- Rotary internal combustion engine with exhaust purge25 Nov 2014US 8,893,684 B2Pratt & Whitney Canada Corp.
- Method and an apparatus for cleaning a flame detector of a combustor25 Apr 2000US 6,053,987 AMitsubishi Heavy Industries, Ltd.
- Internal combustion engine having an afterburning device5 Aug 1980US 4,215,538 AAudi NSU Auto Union Aktiengesellschaft
- Rotary piston engine exhaust gas recycling means18 Apr 1978US 4,084,549 AToyo Kogyo Co., Ltd.
Most cited
By later US patents
- Method of operating a compound supercharged rotary piston engine17US 3,993,029 AWankel GmbH · 1976
- Rotary combustion engine exhaust gas recirculation system13US 3,995,599 AGeneral Motors Corporation · 1976
- Rotary piston engine exhaust gas recycling means12US 4,084,549 AToyo Kogyo Co., Ltd. · 1978
- Rotary internal combustion engine10US 4,075,981 A1978
- Exhaust heat conservation9US 3,955,362 AFord Motor Company · 1976