F17C 3/005
Underground or underwater containers or vessels
Official title: {Underground or underwater containers or vessels (storing in natural or artificial cavities in the earth in general B65G5/00)}
F17C3/005 (Underground or underwater containers or vessels) appears on 59 US grants and 59 published applications in this corpus.
Search patents in F17C- Granted patents
- 59
- Published applications
- 59
- Assignees
- 50
- Inventors
- 140
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 4 |
| 2004 | 2 | 7 |
| 2005 | 6 | 2 |
| 2006 | 3 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 4 |
| 2018 | 3 | 2 |
| 2019 | 0 | 4 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 3 |
| 2024 | 4 | 10 |
| 2025 | 4 | 6 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Groove-type skeleton, sealed lining structure, underground gas storage and construction method11 Aug 2026US 12,704,067 B2Institute of Rock and Soil Mechanics, Chinese Academy of Sciences
- Production and transportation system for natural gas hydrates21 Apr 2026US 12,607,304 B2Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences
- Intelligent fuel storage and blending system6 Jan 2026US 12,516,639 B2
- Standby fuel storage system for uninterrupted operation during primary fuel curtailment2 Dec 2025US 12,486,812 B2Bedrock Ventures LLC
- Electric energy storage in the form of underground gravity and buoyant energy4 Nov 2025US 12,460,771 B2Energy Future, Inc.
- Standby fuel storage system for continuous power generation12 Mar 2026US 2026/0071582 A1Bedrock Ventures LLC
- A system for co2 storage29 Jan 2026US 2026/0029089 A1
- Blended fuel dispensing system with adaptive fuel storage parameters20 Nov 2025US 2025/0354526 A1
- Compressed hydrogen and air power system16 Oct 2025US 2025/0320963 A1Cleantech Geomechanics Inc.
- Production and transportation system for natural gas hydrates17 Apr 2025US 2025/0122982 A1Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences
Most cited
By later US patents
- Safety device for underground storage of liquefied gas49US 4,417,829 ASociete Francaise de Stockage Geologique "Goestock" · 1983
- Tertiary oil recovery combined with gas conversion process38US 7,100,692 B2Shell Oil Company · 2006
- Offshore submarine storage facility for highly chilled liquified gases34US 4,365,576 ACook, Stolowitz and Frame · 1982
- Method for handling liquified natural gas (LNG)33US 6,517,286 B1Spectrum Energy Services, LLC · 2003
- Method and apparatus for warming and storage of cold fluids33US 6,848,502 B2Conversion Gas Imports, L.P. · 2005