F02C 1/02
The working fluid being an unheated pressurised gas
Official title: the working fluid being an unheated pressurised gas
F02C1/02 (The working fluid being an unheated pressurised gas) appears on 144 US grants and 167 published applications in this corpus.
Search patents in F02C- Granted patents
- 144
- Published applications
- 167
- Assignees
- 106
- Inventors
- 368
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 2 |
| 2003 | 2 | 4 |
| 2004 | 1 | 5 |
| 2005 | 3 | 4 |
| 2006 | 2 | 3 |
| 2007 | 1 | 6 |
| 2008 | 2 | 4 |
| 2009 | 4 | 7 |
| 2010 | 3 | 9 |
| 2011 | 5 | 12 |
| 2012 | 2 | 4 |
| 2013 | 8 | 4 |
| 2014 | 0 | 8 |
| 2015 | 1 | 5 |
| 2016 | 6 | 10 |
| 2017 | 3 | 9 |
| 2018 | 6 | 3 |
| 2019 | 6 | 11 |
| 2020 | 12 | 9 |
| 2021 | 6 | 11 |
| 2022 | 10 | 9 |
| 2023 | 8 | 9 |
| 2024 | 11 | 7 |
| 2025 | 7 | 8 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Compressed gas energy storage system with cooling capability154US 5,634,340 ADresser-Rand Company · 1997
- Pressure reducing system and method for using the same62US 5,685,154 AOrmat Industries Ltd. · 1997
- Method and system for generating electricity utilizing naturally occurring gas60US 7,608,935 B22009
- Method and an apparatus for obtaining energy by expanding a gas at a wellhead55US 9,394,764 B2Sime Srl · 2016
- Devices, systems and methods for generating electricity from gases stored in containers under pressure44US 7,218,009 B2Mine Safety Appliances Company · 2007