F17C 2221/00
Handled fluid, in particular type of fluid
F17C2221/00 (Handled fluid, in particular type of fluid) appears on 5,587 US grants and 6,159 published applications in this corpus.
Search patents in F17C- Granted patents
- 5,587
- Published applications
- 6,159
- Assignees
- 2,471
- Inventors
- 10,935
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 34 | 0 |
| 1977 | 36 | 0 |
| 1978 | 50 | 0 |
| 1979 | 29 | 0 |
| 1980 | 43 | 0 |
| 1981 | 34 | 0 |
| 1982 | 43 | 0 |
| 1983 | 40 | 0 |
| 1984 | 43 | 0 |
| 1985 | 40 | 0 |
| 1986 | 44 | 0 |
| 1987 | 54 | 0 |
| 1988 | 41 | 0 |
| 1989 | 66 | 0 |
| 1990 | 60 | 0 |
| 1991 | 40 | 0 |
| 1992 | 75 | 0 |
| 1993 | 58 | 0 |
| 1994 | 63 | 0 |
| 1995 | 77 | 0 |
| 1996 | 86 | 0 |
| 1997 | 76 | 0 |
| 1998 | 87 | 0 |
| 1999 | 88 | 0 |
| 2000 | 98 | 0 |
| 2001 | 95 | 29 |
| 2002 | 119 | 94 |
| 2003 | 113 | 98 |
| 2004 | 91 | 131 |
| 2005 | 71 | 122 |
| 2006 | 83 | 141 |
| 2007 | 88 | 182 |
| 2008 | 67 | 175 |
| 2009 | 76 | 173 |
| 2010 | 85 | 185 |
| 2011 | 88 | 144 |
| 2012 | 100 | 157 |
| 2013 | 113 | 162 |
| 2014 | 122 | 254 |
| 2015 | 132 | 273 |
| 2016 | 162 | 266 |
| 2017 | 180 | 243 |
| 2018 | 193 | 342 |
| 2019 | 242 | 295 |
| 2020 | 252 | 294 |
| 2021 | 246 | 324 |
| 2022 | 269 | 365 |
| 2023 | 242 | 463 |
| 2024 | 344 | 512 |
| 2025 | 332 | 432 |
| 2026 | 277 | 303 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for storing fluorobutene6 Oct 2026US 12,753,137 B2Resonac Corporation
- 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
- Compressed-gas storage container and vehicle6 Oct 2026US 12,753,879 B2Rheinmetall Invent GmbH
- Compressed hydrogen and air power system6 Oct 2026US 12,753,880 B2Cleantech Geomechanics Inc.
- Hydrogen generation apparatus8 Oct 2026US 2026/0307037 A1
- Ship boil-off gas reliquefaction system8 Oct 2026US 2026/0307762 A1Hanwha Ocean Co., Ltd.
- Cryogenic tank and method for manufacturing same8 Oct 2026US 2026/0309272 A1Cryolor
- Single-layer or multilayer structure for transporting, storing or distributing compressed gas8 Oct 2026US 2026/0309274 A1Arkema France
- Hydrogen fuel storage and distribution systems for aircraft8 Oct 2026US 2026/0309276 A1Airbus Operations GmbH
Most cited
By later US patents
- Method and apparatus for aligning and supporting semiconductor process gas delivery and regulation components581US 5,732,744 AControl Systems, Inc. · 1998
- Container system for pressurized fluids178US 6,047,860 ASanders Technology, Inc. · 2000
- Container system for pressurized fluids167US 6,116,464 ASanders Technology, Inc. · 2000
- Self-contained mobile fueling station157US 6,786,245 B1Air Products and Chemicals, Inc. · 2004
- Drug particle delivery145US 6,475,181 B1Powderject Research Limited · 2002