F17C 2221/012
Hydrogen
F17C2221/012 (Hydrogen) appears on 2,063 US grants and 2,984 published applications in this corpus.
Search patents in F17C- Granted patents
- 2,063
- Published applications
- 2,984
- Assignees
- 918
- Inventors
- 4,634
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 8 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 11 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 17 | 0 |
| 2001 | 18 | 6 |
| 2002 | 27 | 33 |
| 2003 | 32 | 24 |
| 2004 | 30 | 40 |
| 2005 | 21 | 43 |
| 2006 | 16 | 47 |
| 2007 | 24 | 65 |
| 2008 | 29 | 69 |
| 2009 | 32 | 85 |
| 2010 | 44 | 64 |
| 2011 | 36 | 48 |
| 2012 | 54 | 68 |
| 2013 | 50 | 43 |
| 2014 | 47 | 77 |
| 2015 | 44 | 94 |
| 2016 | 68 | 96 |
| 2017 | 65 | 93 |
| 2018 | 64 | 146 |
| 2019 | 92 | 128 |
| 2020 | 109 | 138 |
| 2021 | 129 | 172 |
| 2022 | 147 | 227 |
| 2023 | 131 | 301 |
| 2024 | 205 | 358 |
| 2025 | 233 | 304 |
| 2026 | 180 | 215 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Tank, in particular for a liquid hydrogen reservoir, provided with at least one dome fixed by way of an outer welded joint6 Oct 2026US 12,753,882 B2Airbus Operations GmbH
- Fuel charging module and fuel charging method6 Oct 2026US 12,753,885 B2Hyundai Motor Company
- Hydrogen generation apparatus8 Oct 2026US 2026/0307037 A1
- 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
- A hydrogen refueling system8 Oct 2026US 2026/0309277 A1Cavendish Hydrogen A/S
- Securing Element, Pressure Vessel System and Motor Vehicle8 Oct 2026US 2026/0309283 A1Bayerische Motoren Werke Aktiengesellschaft
Most cited
By later US patents
- Self-contained mobile fueling station157US 6,786,245 B1Air Products and Chemicals, Inc. · 2004
- System for replenishing energy sources onboard different types of automotive vehicles139US 7,602,143 B22009
- Vapor cooled shielding liner for cryogenic storage in composite pressure vessels124US 10,422,478 B2Washington State University · 2019
- Compressed gas fuel storage system107US 6,257,360 B1The Johns Hopkins University · 2001
- Transportable hydrogen refueling station106US 6,755,225 B1Quantum Fuel Systems Technologies Worldwide, Inc. · 2004