H01M 8/0263
Having meandering or serpentine paths
Official title: having meandering or serpentine paths
H01M8/0263 (Having meandering or serpentine paths) appears on 797 US grants and 1,055 published applications in this corpus.
Search patents in H01M- Granted patents
- 797
- Published applications
- 1,055
- Assignees
- 345
- Inventors
- 1,844
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 21 | 0 |
| 2001 | 20 | 7 |
| 2002 | 29 | 37 |
| 2003 | 29 | 54 |
| 2004 | 34 | 93 |
| 2005 | 25 | 103 |
| 2006 | 24 | 84 |
| 2007 | 28 | 70 |
| 2008 | 37 | 74 |
| 2009 | 46 | 78 |
| 2010 | 80 | 73 |
| 2011 | 47 | 56 |
| 2012 | 55 | 25 |
| 2013 | 47 | 28 |
| 2014 | 36 | 26 |
| 2015 | 23 | 34 |
| 2016 | 15 | 20 |
| 2017 | 18 | 13 |
| 2018 | 18 | 16 |
| 2019 | 25 | 25 |
| 2020 | 21 | 10 |
| 2021 | 19 | 21 |
| 2022 | 14 | 19 |
| 2023 | 16 | 25 |
| 2024 | 11 | 17 |
| 2025 | 6 | 26 |
| 2026 | 6 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Separator for fuel cell30 Jun 2026US 12,671,098 B2Toyota Boshoku Kabushiki Kaisha
- Power generation cell5 May 2026US 12,620,606 B2Honda Motor Co., Ltd.
- Separator for fuel cell and single cell for fuel cell24 Mar 2026US 12,586,797 B2Toyota Boshoku Kabushiki Kaisha
- Separator for fuel cell and separator assembly and fuel cell stack including the same10 Mar 2026US 12,573,642 B2Hyundai Motor Company
- Fuel cell separator and power generation cell13 Jan 2026US 12,525,621 B2Honda Motor Co., Ltd.
- Separator, electrochemical cell, stack and apparatus24 Sep 2026US 2026/0290854 A1Kabushiki Kaisha Toshiba
- Electrochemical cell stack10 Sep 2026US 2026/0269289 A1Toshiba Energy Systems & Solutions Corporation
- Fuel cell stack27 Aug 2026US 2026/0253918 A1Toyota Boshoku Kabushiki Kaisha
- Separator plate25 Jun 2026US 2026/0179975 A1Reinz-Dichtungs-GmbH
- Electrochemical device11 Jun 2026US 2026/0163025 A1Hyundai Motor Company
Most cited
By later US patents
- Solid oxide fuel cell stack156US 7,465,512 B2ROLLS-ROYCE plc · 2008
- Fuel cell fluid flow field plate132US 5,108,849 AHer Majesty the Queen in right of Canada, as represented by the Minister of National Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 1992
- Laminated fluid flow field assembly for electrochemical fuel cells126US 5,300,370 ABallard Power Systems Inc. · 1994
- Solid electrolyte fuel cell125US 4,910,100 AFuji Electric Co., Ltd. · 1990
- Novel fuel cell fluid flow field plate123US 4,988,583 AHer Majesty the Queen as represented by the Minister of National Defence of Her Majesty's Canadian Government · 1991