C22C 2202/04
Hydrogen absorbing
C22C2202/04 (Hydrogen absorbing) appears on 40 US grants and 71 published applications in this corpus.
Search patents in C22C- Granted patents
- 40
- Published applications
- 71
- Assignees
- 52
- Inventors
- 200
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 2 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 2 |
| 2014 | 3 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 4 |
| 2019 | 2 | 2 |
| 2020 | 2 | 2 |
| 2021 | 3 | 3 |
| 2022 | 0 | 8 |
| 2023 | 5 | 11 |
| 2024 | 9 | 7 |
| 2025 | 3 | 7 |
| 2026 | 4 | 8 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Hydrogen storage material, hydrogen storage container, and hydrogen supply apparatus22 Sep 2026US 12,741,866 B2Santoku Corporation
- 3D printed hydrogen storage systems using non-pyrophoric hydrogen storage alloys2 Jun 2026US 12,644,168 B2Sesame Solar, Inc.
- Hydrogen storage material, hydrogen storage container, and hydrogen supply apparatus31 Mar 2026US 12,590,355 B2Santoku Corporation
- Continuous annealing line, continuous hot-dip galvanizing line, and steel sheet production method10 Mar 2026US 12,571,068 B2Jfe Steel Corporation
- AB2 type-based hydrogen storage alloys, methods of preparation and uses thereof7 Oct 2025US 12,435,397 B2Grz Technologies SA
- Rare earth-rich high-capacity vanadium-based solid solution hydrogen storage alloy and preparation method thereof17 Sep 2026US 2026/0275462 A1Sichuan University
- Steel material17 Sep 2026US 2026/0275472 A1Nippon Steel Corporation
- Steel member and steel sheet6 Aug 2026US 2026/0226593 A1Nippon Steel Corporation
- Composite material comprising a magnesium alloy and method of preparation thereof30 Jul 2026US 2026/0216787 A1King Fahd University of Petroleum and Minerals
- Hydrogen storage alloy for alkaline storage battery, alkaline storage battery using same for negative electrode, and vehicle9 Jul 2026US 2026/0196476 A1Japan Metals & Chemicals Co., Ltd.
Most cited
By later US patents
- Hydrogen separation membrane on a porous substrate5US 7,959,716 B2Uchicago Argonne, LLC · 2011
- Thermal method for fabricating a hydrogen separation membrane on a porous substrate4US 7,604,771 B2Uchicago Argonne, LLC · 2009
- Hydrogen storage alloy and hydrogen storage unit using same3US 8,481,151 B2Kabushiki Kaisha Atsumitec · 2013
- Alkaline storage cell2US 7,740,983 B2Sanyo Electric Co., Ltd. · 2010
- Composition for negative electrode of alkaline electrolyte battery2US 8,652,684 B2Saft Groupe SA · 2014