Y02P 90/45
Hydrogen technologies in production processes
Y02P90/45 (Hydrogen technologies in production processes) appears on 168 US grants and 210 published applications in this corpus.
Search patents in Y02P- Granted patents
- 168
- Published applications
- 210
- Assignees
- 130
- Inventors
- 440
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 0 | 4 |
| 2003 | 6 | 5 |
| 2004 | 6 | 12 |
| 2005 | 0 | 7 |
| 2006 | 6 | 9 |
| 2007 | 8 | 7 |
| 2008 | 4 | 8 |
| 2009 | 2 | 11 |
| 2010 | 4 | 10 |
| 2011 | 8 | 6 |
| 2012 | 6 | 9 |
| 2013 | 9 | 7 |
| 2014 | 4 | 9 |
| 2015 | 6 | 8 |
| 2016 | 9 | 9 |
| 2017 | 7 | 11 |
| 2018 | 3 | 9 |
| 2019 | 10 | 9 |
| 2020 | 13 | 14 |
| 2021 | 10 | 9 |
| 2022 | 10 | 17 |
| 2023 | 1 | 9 |
| 2024 | 5 | 4 |
| 2025 | 7 | 4 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrogen transport, distribution and storage system, method and apparatus8 Sep 2026US 12,729,814 B2H2C Safety Pipe, Inc.
- One-way finish valve suitable for hydrogen-energy handheld torch11 Aug 2026US 12,704,189 B2Beijing Aerospace Petrochemical Technology & Equipment Engineering Corporation Limited
- Integrated and mobile automatic hydrogen station28 Apr 2026US 12,612,999 B2Bte Inc.
- Continuous thermal compression of hydrogen10 Feb 2026US 12,545,575 B2ExxonMobil Technology and Engineering Company
- Hydrogen gas supply apparatus and hydrogen gas supply method6 Jan 2026US 12,515,164 B2Eneos Corporation
- Liquefied hydrogen equipment23 Jul 2026US 2026/0210496 A1Kawasaki Jukogyo Kabushiki Kaisha
- Hydrogen gas supply apparatus and hydrogen gas supply method2 Apr 2026US 2026/0091343 A1Eneos Corporation
- Hydrogen gas supply apparatus and hydrogen gas supply method15 May 2025US 2025/0153087 A1Eneos Corporation
- Filling device for hydrogen tanks, hydrogen tank having the filling device, and method for filling a hydrogen tank13 Mar 2025US 2025/0084964 A1
- One-Way Finish Valve Suitable for Hydrogen-Energy Handheld Torch30 Jan 2025US 2025/0035222 A1Beijing Aerospace Petrochemical Technology & Equipment Engineering Corporation Limited
Most cited
By later US patents
- Hydrogen storage, distribution, and recovery system107US 7,169,489 B2FuelSell Technologies, Inc. · 2007
- Transportable hydrogen refueling station106US 6,755,225 B1Quantum Fuel Systems Technologies Worldwide, Inc. · 2004
- Integrated bitumen production and gas conversion105US 6,531,516 B2ExxonMobil Research and Engineering Company · 2003
- Electrochemical engine60US 6,195,999 B1General Motors Corporation · 2001
- Hydrogen-based ecosystem55US 6,305,442 B1Energy Conversion Devices, Inc. · 2001