H01M 4/905
Specially used in fuel cell operating at high temperature
Official title: {specially used in fuel cell operating at high temperature, e.g. SOFC}
H01M4/905 (Specially used in fuel cell operating at high temperature) appears on 551 US grants and 707 published applications in this corpus.
Search patents in H01M- Granted patents
- 551
- Published applications
- 707
- Assignees
- 325
- Inventors
- 1,535
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 14 | 0 |
| 2000 | 12 | 0 |
| 2001 | 13 | 7 |
| 2002 | 13 | 30 |
| 2003 | 23 | 34 |
| 2004 | 17 | 34 |
| 2005 | 21 | 38 |
| 2006 | 11 | 31 |
| 2007 | 17 | 32 |
| 2008 | 15 | 33 |
| 2009 | 17 | 34 |
| 2010 | 19 | 35 |
| 2011 | 26 | 29 |
| 2012 | 24 | 24 |
| 2013 | 22 | 28 |
| 2014 | 15 | 33 |
| 2015 | 17 | 19 |
| 2016 | 16 | 25 |
| 2017 | 18 | 28 |
| 2018 | 19 | 21 |
| 2019 | 18 | 25 |
| 2020 | 23 | 24 |
| 2021 | 15 | 36 |
| 2022 | 22 | 30 |
| 2023 | 18 | 19 |
| 2024 | 15 | 17 |
| 2025 | 17 | 25 |
| 2026 | 7 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Solid oxide cell29 Sep 2026US 12,749,690 B2Samsung Electro-Mechanics Co., Ltd.
- Metal-solid oxide composite, preparing method thereof, and solid oxide cell including the same4 Aug 2026US 12,700,606 B2Samsung Electro-Mechanics Co., Ltd.
- Porous silicon oxycarbide composite material and method for manufacturing same30 Jun 2026US 12,671,096 B2DIC Corporation
- Hydrogen pumping proton exchange membrane electrochemical cell with carbon monoxide tolerant anode and method of making thereof14 Apr 2026US 12,603,315 B2Bloom Energy Corporation
- Electrode having columnar structure provided with multilayer part17 Mar 2026US 12,580,203 B2National Institute of Advanced Industrial Science and Technology
- Powder for thermal spraying27 Aug 2026US 2026/0250200 A1Fujimi Incorporated
- Hydrogen distribution system comprising fuel cells and methods of using the same23 Jul 2026US 2026/0213232 A1Jinetics Inc.
- Production of syngas from methane16 Jul 2026US 2026/0204606 A1Totalenergies Onetech
- Solid oxide fuel cells, systems including such solid oxide fuel cells, and related methods of making25 Jun 2026US 2026/0179972 A1Baker Hughes Oilfield Operations LLC
- Solid oxide cell18 Jun 2026US 2026/0171553 A1Samsung Electro-Mechanics Co., Ltd.
Most cited
By later US patents
- Nanostructured fillers and carriers316US 6,228,904 B1Nanomaterials Research Corporation · 2001
- Materials and products using nanostructured non-stoichiometric substances226US 6,344,271 B12002
- Nanotechnology for biomedical products224US 6,572,672 B2NanoProducts Corporation · 2003
- Nano-dispersed powders and methods for their manufacture178US 6,652,967 B2NanoProducts Corporation · 2003
- Nanostructured ion conducting solid electrolytes134US 5,905,000 ANanomaterials Research Corporation · 1999