F01P 2070/32
Ring-shaped heat exchangers
F01P2070/32 (Ring-shaped heat exchangers) appears on 15 US grants and 3 published applications in this corpus.
Search patents in F01P- Granted patents
- 15
- Published applications
- 3
- Assignees
- 10
- Inventors
- 32
- Latest grant
- 6 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 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 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 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 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Liquid-cooled heat dissipation device and vehicle6 Dec 2022US 11,519,672 B2Gogoro Inc.
- Liquid-cooled heat dissipation device and vehicle27 Jul 2021US 11,073,338 B2Gogoro Inc.
- Coolant overflow bottle21 Aug 2001US 6,276,311 B1Kohler Co.
- Vertical shaft engine cooling apparatus14 Nov 2000US 6,145,479 AKohler Co.
- Method and apparatus for air-intake cooling in an internal combustion engine16 Feb 1999US 5,871,001 APFM Products, Inc.
Most cited
By later US patents
- Heat exchange apparatus including a toroidal-type radiator108US 4,180,130 AInternational Harvester Company · 1979
- Heat exchange apparatus including a toroidal-type radiator107US 4,184,541 AInternational Harvester Company · 1980
- Cooler-cum-blower assembly for internal combustion engines49US 3,978,919 A1976
- Cooling system for internal combustion engines32US 4,202,296 ASuddeutsche Kuhlerfabrik Julius Fr. Behr GmbH & Co. KG · 1980
- Method and apparatus for air-intake cooling in an internal combustion engine24US 5,871,001 APFM Products, Inc. · 1999