F17C 7/00
Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure
Official title: Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
F17C7/00 (Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure) appears on 1,152 US grants and 1,264 published applications in this corpus.
Search patents in F17C- Granted patents
- 1,152
- Published applications
- 1,264
- Assignees
- 667
- Inventors
- 2,739
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 10 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 9 | 0 |
| 1983 | 8 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 11 | 0 |
| 1988 | 8 | 0 |
| 1989 | 12 | 0 |
| 1990 | 12 | 0 |
| 1991 | 8 | 0 |
| 1992 | 11 | 0 |
| 1993 | 11 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 20 | 0 |
| 1997 | 14 | 0 |
| 1998 | 25 | 0 |
| 1999 | 29 | 0 |
| 2000 | 42 | 0 |
| 2001 | 29 | 4 |
| 2002 | 38 | 31 |
| 2003 | 37 | 38 |
| 2004 | 31 | 31 |
| 2005 | 30 | 29 |
| 2006 | 20 | 30 |
| 2007 | 14 | 36 |
| 2008 | 18 | 29 |
| 2009 | 13 | 35 |
| 2010 | 16 | 20 |
| 2011 | 15 | 20 |
| 2012 | 11 | 24 |
| 2013 | 17 | 28 |
| 2014 | 13 | 66 |
| 2015 | 22 | 58 |
| 2016 | 29 | 45 |
| 2017 | 44 | 60 |
| 2018 | 35 | 65 |
| 2019 | 50 | 67 |
| 2020 | 52 | 64 |
| 2021 | 44 | 73 |
| 2022 | 48 | 70 |
| 2023 | 64 | 87 |
| 2024 | 65 | 95 |
| 2025 | 49 | 98 |
| 2026 | 58 | 61 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vented methane gas mitigation system with failure detection6 Oct 2026US 12,753,731 B1Caterpillar Inc.
- Filling nozzle support structure6 Oct 2026US 12,753,866 B2Tatsuno Corporation
- Offload system6 Oct 2026US 12,753,883 B2Echeneidae Inc.
- Cooling circuit for a system for supplying and cooling a gas6 Oct 2026US 12,753,961 B2Gaztransport Et Technigaz
- Methods and apparatus for a cryogenic fuel distribution system using a bypass29 Sep 2026US 12,747,706 B2GE Avio S. r. l.
- Method and Apparatus for Providing Supplemental Cooling to a Mechanical Refrigeration System8 Oct 2026US 2026/0309280 A1Air Products and Chemicals, Inc.
- System for cooling a data center using evaporation heat of lng liquid gas8 Oct 2026US 2026/0313841 A1
- Automatically openable and closable overpressure hydrogen discharge apparatus for hydrogen electric vehicle1 Oct 2026US 2026/0298412 A1Hyundai Motor Company
- Systems and methods for emptying storage devices1 Oct 2026US 2026/0298413 A1CNX Resources Corporation
- Assembly for aircraft, comprising a specific architecture for the distribution of fuel composition and electricity24 Sep 2026US 2026/0285498 A1
Most cited
By later US patents
- Integrated delivery system for chemical vapor from non-gaseous sources for semiconductor processing320US 5,252,134 A1993
- Drug particle delivery145US 6,475,181 B1Powderject Research Limited · 2002
- Process for liquefaction of natural gas137US 6,023,942 AExxon Production Research Company · 2000
- Fluid storage and dispensing system111US 6,089,027 AAdvanced Technology Materials, Inc. · 2000
- Oxygen concentrator107US 5,858,062 ALitton Systems, Inc. · 1999