H01M 8/04328
Of anode reactants at the inlet or inside the fuel cell
Official title: {of anode reactants at the inlet or inside the fuel cell}
H01M8/04328 (Of anode reactants at the inlet or inside the fuel cell) appears on 159 US grants and 244 published applications in this corpus.
Search patents in H01M- Granted patents
- 159
- Published applications
- 244
- Assignees
- 107
- Inventors
- 503
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 0 | 4 |
| 2003 | 1 | 3 |
| 2004 | 2 | 13 |
| 2005 | 4 | 8 |
| 2006 | 6 | 12 |
| 2007 | 2 | 14 |
| 2008 | 4 | 16 |
| 2009 | 1 | 23 |
| 2010 | 8 | 16 |
| 2011 | 8 | 8 |
| 2012 | 14 | 10 |
| 2013 | 12 | 3 |
| 2014 | 10 | 8 |
| 2015 | 12 | 5 |
| 2016 | 4 | 6 |
| 2017 | 3 | 11 |
| 2018 | 3 | 10 |
| 2019 | 8 | 10 |
| 2020 | 11 | 9 |
| 2021 | 10 | 8 |
| 2022 | 9 | 4 |
| 2023 | 7 | 14 |
| 2024 | 4 | 11 |
| 2025 | 10 | 8 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel cell stack having a sensor, and method used for producing a fuel cell stack having the sensor17 Feb 2026US 12,555,806 B2Robert Bosch GmbH
- Warming-up control method in starting process of fuel cell system and fuel cell system17 Feb 2026US 12,555,808 B2Guangdong Yuntao Hydrogen Energy Technology Co., Ltd.
- Systems and methods to measure or control fuel cell stack excess hydrogen flow using ejector mixing state16 Dec 2025US 12,500,253 B2Cummins Inc.
- Fuel cell system containing catalyst based fuel contamination sensor and method of operating thereof14 Oct 2025US 12,444,761 B2Bloom Energy Corporation
- Performance prediction method and system for fuel cell in anode recirculation mode19 Aug 2025US 12,394,811 B2Catarc New Energy Vehicle Test Center (Tianjin) Co., Ltd.
- Ai driven vfd control for securing membrane in flow batteries8 Oct 2026US 2026/0312097 A1ViZn Energy Systems, Inc.
- Control method for fuel cell system and control device for fuel cell system1 Oct 2026US 2026/0302290 A1Nissan Motor Co., Ltd.
- Work vehicle10 Sep 2026US 2026/0268713 A1Kubota Corporation
- Method for detecting a malfunction, tank system, computer program product and storage means23 Jul 2026US 2026/0213233 A1Robert Bosch GmbH
- Method, control program, computer-readable data carrier and control device for controlling a fuel cell arrangement, as well as fuel cell arrangement and vehicle comprising same11 Jun 2026US 2026/0163032 A1Airbus Operations GmbH
Most cited
By later US patents
- Fuel cell generator and method of the same123US 5,677,073 AToyota Jidosha Kabushiki Kaisha · 1997
- Fuel cell power generating apparatus and method for controlling the apparatus49US 4,988,283 AFuji Electric Co., Ltd. · 1991
- Method of controlling injection of oxygen into hydrogen-rich fuel cell feed stream22US 6,265,092 B1General Motors Corporation · 2001
- Method of monitoring CO concentrations in hydrogen feed to a PEM fuel cell18US 6,063,516 AGeneral Motors Corporation · 2000
- Relative humidity sensor with compensation for changes in pressure and gas composition16US 6,777,120 B2General Motors Corporation · 2004