F02G 2258/00
Materials used
F02G2258/00 (Materials used) appears on 174 US grants and 32 published applications in this corpus.
Search patents in F02G- Granted patents
- 174
- Published applications
- 32
- Assignees
- 62
- Inventors
- 195
- Latest grant
- 29 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 11 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 18 | 0 |
| 1984 | 9 | 0 |
| 1985 | 11 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 9 | 0 |
| 1989 | 12 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 3 | 10 |
| 2021 | 8 | 4 |
| 2022 | 4 | 4 |
| 2023 | 4 | 2 |
| 2024 | 3 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Engine apparatus and method for operation29 Oct 2024US 12,129,812 B2Hyliion Holdings Corp.
- Constant density heat exchanger and system for energy conversion7 May 2024US 11,976,610 B2Hyliion Holdings Corp.
- Monolithic heat-exchanger bodies30 Jan 2024US 11,885,279 B2Hyliion Holdings Corp.
- Energy conversion apparatus29 Aug 2023US 11,739,711 B2Hyliion Holdings Corp.
- External combustion heat engine combustion chamber4 Jul 2023US 11,692,507 B2Quantum Industrial Development Corp.
- Monolithic heat-exchanger bodies16 May 2024US 2024/0159201 A1Hyliion Holdings Corp.
- Constant density heat exchanger and system for energy conversion20 Jul 2023US 2023/0228229 A1General Electric Company
- Energy conversion apparatus19 Jan 2023US 2023/0019495 A1General Electric Company
- Monolithic heat-exchanger bodies15 Sep 2022US 2022/0290630 A1General Electric Company
- Engine apparatus and method for operation23 Jun 2022US 2022/0195959 A1General Electric Company
Most cited
By later US patents
- Micro miniature refrigerators142US 4,392,362 AThe Board of Trustees of the Leland Stanford Junior University · 1983
- Stirling engine combustor77US 4,352,269 AMechanical Technology Incorporated · 1982
- Variable cycle stirling engine and gas leakage control system therefor66US 4,489,554 A1984
- Stirling cycle cryogenic cooler63US 4,389,849 A1983
- Transient energy release microdevices and methods58US 5,367,878 AUniversity of Southern California · 1994