Y10T 29/49234
Rotary or radial engine making
Y10T29/49234 (Rotary or radial engine making) appears on 106 US grants and 92 published applications in this corpus.
Search patents in Y10T- Granted patents
- 106
- Published applications
- 92
- Assignees
- 50
- Inventors
- 233
- Latest grant
- 30 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 6 |
| 2011 | 0 | 0 |
| 2012 | 5 | 7 |
| 2013 | 2 | 30 |
| 2014 | 7 | 22 |
| 2015 | 15 | 15 |
| 2016 | 15 | 3 |
| 2017 | 13 | 1 |
| 2018 | 7 | 3 |
| 2019 | 4 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Compound engine system with rotary engine30 Nov 2021US 11,187,146 B2Pratt & Whitney Canada Corp.
- Compound engine system with rotary engine28 Jan 2020US 10,544,733 B2Pratt & Whitney Canada Corp.
- Offset rotational internal combustion engine with centrifugal gasoline pressure16 Jul 2019US 10,352,168 B2
- Gas turbine engine component cooling circuit28 May 2019US 10,301,947 B2United Technologies Corporation
- Integrated oil cooler for internal combustion engine14 May 2019US 10,287,967 B2Champion Power Equipment, Inc.
- Compound engine system with rotary engine23 Apr 2020US 2020/0123971 A1Pratt & Whitney Canada Corp.
- Gas turbine engine component cooling circuit17 Jan 2019US 2019/0017390 A1United Technologies Corporation
- Coil spring hanger for exhaust duct liner15 Nov 2018US 2018/0328313 A1United Technologies Corporation
- Rotory engine with rotor land14 Jun 2018US 2018/0163541 A1Pratt & Whitney Canada Corp.
- Offset rotational internal combustion engine with centrifugal gasoline pressure15 Feb 2018US 2018/0045047 A1
Most cited
By later US patents
- Uniform cooling film replenishment thermal liner assembly47US 5,265,409 AUnited Technologies Corporation · 1993
- Gas turbine nozzles35US 4,813,230 AROLLS-ROYCE plc · 1989
- Method of installation of large capacity gas-turbine powered electrical generating machinery24US 4,044,442 AStal-Laval Turbin AB · 1977
- Boroscope and a method of processing a component within an assembled apparatus using a boroscope23US 9,329,377 B2ROLLS-ROYCE plc · 2016
- Compound engine system with rotary engine21US 9,027,345 B2Pratt & Whitney Canada Corp. · 2015