H01M 8/0435
Of cathode exhausts
Official title: {of cathode exhausts}
H01M8/0435 (Of cathode exhausts) appears on 98 US grants and 139 published applications in this corpus.
Search patents in H01M- Granted patents
- 98
- Published applications
- 139
- Assignees
- 67
- Inventors
- 279
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 0 | 3 |
| 2004 | 1 | 3 |
| 2005 | 2 | 7 |
| 2006 | 3 | 7 |
| 2007 | 2 | 10 |
| 2008 | 1 | 7 |
| 2009 | 4 | 5 |
| 2010 | 5 | 9 |
| 2011 | 4 | 5 |
| 2012 | 4 | 4 |
| 2013 | 7 | 5 |
| 2014 | 5 | 3 |
| 2015 | 5 | 9 |
| 2016 | 6 | 5 |
| 2017 | 7 | 4 |
| 2018 | 5 | 4 |
| 2019 | 5 | 7 |
| 2020 | 8 | 6 |
| 2021 | 8 | 4 |
| 2022 | 0 | 7 |
| 2023 | 4 | 10 |
| 2024 | 4 | 3 |
| 2025 | 3 | 6 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and fuel cell power system to identify and compensate for fuel composition variations in a fuel cell stack or system19 May 2026US 12,633,558 B2GE Vernova Infrastructure Technology LLC
- Electrochemical cell exhaust management system19 May 2026US 12,633,559 B2Robert Bosch GmbH
- 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
- Electric power generation system based on pressurized fuel cell power system with air cooling and recirculation and method for electric power generation by the system30 Dec 2025US 12,512,486 B2ZeroAvia, Inc.
- Fuel cell system and control method for fuel cell system12 Aug 2025US 12,388,096 B2Nissan Motor Co., Ltd.
- Heat energy recovery system for fuel cell exhaust gas27 Aug 2026US 2026/0253921 A1Samjungtech Co., Ltd
- 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
- Fuel-cell exhaust system, fuel cell system and method for reducing the hydrogen content in fuel-cell exhaust gas15 Jan 2026US 2026/0018631 A1Purem GmbH
- Method and control unit for determining the hydrogen proportion in the exhaust gas stream of a hydrogen-powered assembly25 Dec 2025US 2025/0391894 A1
- Fuel Cell Air Recirculation System and Control Method9 Oct 2025US 2025/0316725 A1Infintium Fuel Cell Systems, Inc.
Most cited
By later US patents
- Electrochemical load management system for transportation applications86US 5,346,778 AEnergy Partners, Inc. · 1994
- Fuel cell power systems, direct current voltage converters, fuel cell power generation methods, power conditioning methods and direct current power conditioning methods46US 6,428,918 B1Avista Laboratories, Inc. · 2002
- Warm-up apparatus for fuel cell10US 7,141,326 B2Honda Giken Kogyo Kabushiki Kaisha · 2006
- System, computer program product and method for controlling a fuel cell testing device7US 6,889,147 B2Hydrogenics Corporation · 2005
- Methods and systems for efficient operation of integrated fuel cell-fuel reformer systems7US 7,569,293 B1Nuvera Fuel Cells, LLC · 2009