F02C 6/16
For storing compressed air
Official title: for storing compressed air
F02C6/16 (For storing compressed air) appears on 433 US grants and 445 published applications in this corpus.
Search patents in F02C- Granted patents
- 433
- Published applications
- 445
- Assignees
- 194
- Inventors
- 672
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 2 |
| 2002 | 3 | 3 |
| 2003 | 4 | 14 |
| 2004 | 8 | 2 |
| 2005 | 2 | 9 |
| 2006 | 6 | 7 |
| 2007 | 4 | 7 |
| 2008 | 5 | 10 |
| 2009 | 4 | 10 |
| 2010 | 9 | 8 |
| 2011 | 7 | 32 |
| 2012 | 13 | 21 |
| 2013 | 15 | 17 |
| 2014 | 13 | 27 |
| 2015 | 9 | 24 |
| 2016 | 21 | 24 |
| 2017 | 21 | 20 |
| 2018 | 12 | 38 |
| 2019 | 33 | 29 |
| 2020 | 33 | 32 |
| 2021 | 32 | 29 |
| 2022 | 17 | 16 |
| 2023 | 21 | 18 |
| 2024 | 17 | 25 |
| 2025 | 29 | 9 |
| 2026 | 10 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods of modifying existing gas turbine engine design to create a combined storage engine and simple cycle peaker product6 Oct 2026US 12,753,719 B2Powerphase International, LLC
- Heat exchange system to transfer waste heat from electrical load to compressed air energy storage system29 Sep 2026US 12,747,693 B1Brightnight Power LLC
- Device for generating energy from compressed air, system having such a device and method for operating the system22 Sep 2026US 12,742,414 B2Everllence SE
- System for storing and producing energy to stabilize the power network26 May 2026US 12,638,234 B2Saipem S.P.A.
- Combined high pressure receptacles21 Apr 2026US 12,607,301 B2Storage Drop Ltd
- Thermal storage and power generation systems and methods1 Oct 2026US 2026/0298140 A1247Solar Inc.
- Power plant10 Sep 2026US 2026/0266217 A1Energy Dome S.P.A.
- Compressed Air Energy Storage Device13 Aug 2026US 2026/0235071 A1Hitachi Industrial Equipment Systems Co., Ltd.
- System and method for regulating non-energy-consuming complex environment in mine based on compressed air energy storage6 Aug 2026US 2026/0226832 A1China University of Geosciences (Wuhan)
- Compressed gas energy storage and recovery system having pressure control6 Aug 2026US 2026/0226859 A1
Most cited
By later US patents
- Power plant utilizing compressed air energy storage and saturation333US 5,491,969 AElectric Power Research Institute, Inc. · 1996
- Compressed air energy storage method and system274US 5,537,822 AThe Israel Electric Corporation Ltd. · 1996
- Compressed gas energy storage system with cooling capability154US 5,634,340 ADresser-Rand Company · 1997
- Regenerative heat storage in compressed air power system152US 4,150,547 A1979
- Hydro-air storage electrical generation system141US 3,939,356 AGeneral Public Utilities Corporation · 1976