F02G 2258/20
Materials used: having heat insulating properties
Official title: having heat insulating properties
F02G2258/20 (Materials used: having heat insulating properties) appears on 6 US grants and 3 published applications in this corpus.
Search patents in F02G- Granted patents
- 6
- Published applications
- 3
- Assignees
- 5
- Inventors
- 12
- Latest grant
- 4 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 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 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- External combustion heat engine combustion chamber4 Jul 2023US 11,692,507 B2Quantum Industrial Development Corp.
- Internal combustion engine having independent combustion chamber14 Jan 2020US 10,533,518 B2Liuzhou Zijing Technology Transfer Center Co., Ltd.
- Stirling engine26 Jan 2010US 7,650,751 B2Sharp Kabushiki Kaisha
- Open cycle, internal combustion Stirling engine24 Sep 1991US 5,050,570 A
- Hot gas engine24 Apr 1984US 4,444,011 A
- External combustion heat engine combustion chamber2 Sep 2021US 2021/0270205 A1Quantum Industrial Development Corp.
- Internal combustion engine having independent combustion chamber14 Jun 2018US 2018/0163662 A1Tsinghua Redbud Innovation Institute, Tianjin
- Stirling Engine6 Dec 2007US 2007/0277521 A1Sharp Kabushiki Kaisha
Most cited
By later US patents