H01M 8/04037
Electrical heating
Official title: {Electrical heating}
H01M8/04037 (Electrical heating) appears on 344 US grants and 454 published applications in this corpus.
Search patents in H01M- Granted patents
- 344
- Published applications
- 454
- Assignees
- 160
- Inventors
- 828
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 6 |
| 2003 | 2 | 8 |
| 2004 | 3 | 14 |
| 2005 | 3 | 16 |
| 2006 | 8 | 9 |
| 2007 | 12 | 22 |
| 2008 | 4 | 25 |
| 2009 | 7 | 22 |
| 2010 | 12 | 18 |
| 2011 | 13 | 15 |
| 2012 | 15 | 7 |
| 2013 | 15 | 11 |
| 2014 | 16 | 11 |
| 2015 | 8 | 19 |
| 2016 | 10 | 9 |
| 2017 | 9 | 12 |
| 2018 | 9 | 15 |
| 2019 | 11 | 20 |
| 2020 | 15 | 17 |
| 2021 | 20 | 23 |
| 2022 | 30 | 33 |
| 2023 | 30 | 46 |
| 2024 | 36 | 33 |
| 2025 | 29 | 25 |
| 2026 | 20 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermal energy storage system coupled with a solid oxide electrolysis system6 Oct 2026US 12,753,710 B2Rondo Energy, Inc.
- Method for operating a fuel cell system, and fuel cell system15 Sep 2026US 12,738,514 B2Robert Bosch GmbH
- Thermal energy storage system coupled with thermal power cycle systems8 Sep 2026US 12,729,632 B1Rondo Energy, Inc.
- Thermal energy storage systems for use in material processing1 Sep 2026US 12,723,524 B2Rondo Energy, Inc.
- Methods for material activation with thermal energy storage system18 Aug 2026US 12,709,998 B2Rondo Energy, Inc.
- Method for operating a fuel cell system, and control device8 Oct 2026US 2026/0312093 A1Robert Bosch GmbH
- System and method for generating electricity using pyrolysis of plastics8 Oct 2026US 2026/0312100 A1
- Gas-liquid separation device and fuel cell system1 Oct 2026US 2026/0302281 A1Honda Motor Co., Ltd.
- Thermal management system for a fuel cell vehicle24 Sep 2026US 2026/0290863 A1AB Volvo Penta
- Fuel cell vehicle and method of operating the same13 Aug 2026US 2026/0233614 A1Hyundai Motor Company
Most cited
By later US patents
- Energy supply system for optimizing energy cost, energy consumption and emission of pollutants187US 5,432,710 AOsaka Gas Co., Ltd. · 1995
- Fuel cell system controller115US 6,495,277 B1IdaTech, LLC · 2002
- Temperature regulating system for a fuel cell powered vehicle97US 6,186,254 B1Xcelliss Fuel Cell Engines Inc. · 2001
- Fuel-cell power generating system58US 6,183,895 B2Matsushita Electric Works, Ltd. · 2001
- Fuel cell power generating apparatus and method for controlling the apparatus49US 4,988,283 AFuji Electric Co., Ltd. · 1991