H01M 8/0202
Collectors
Official title: Collectors; Separators, e.g. bipolar separators; Interconnectors
H01M8/0202 (Collectors) appears on 6,342 US grants and 9,028 published applications in this corpus.
Search patents in H01M- Granted patents
- 6,342
- Published applications
- 9,028
- Assignees
- 1,795
- Inventors
- 11,990
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 8 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 12 | 0 |
| 1984 | 11 | 0 |
| 1985 | 9 | 0 |
| 1986 | 25 | 0 |
| 1987 | 18 | 0 |
| 1988 | 23 | 0 |
| 1989 | 16 | 0 |
| 1990 | 15 | 0 |
| 1991 | 17 | 0 |
| 1992 | 12 | 0 |
| 1993 | 19 | 0 |
| 1994 | 29 | 0 |
| 1995 | 30 | 0 |
| 1996 | 30 | 0 |
| 1997 | 23 | 0 |
| 1998 | 44 | 0 |
| 1999 | 63 | 0 |
| 2000 | 81 | 0 |
| 2001 | 92 | 53 |
| 2002 | 116 | 246 |
| 2003 | 131 | 338 |
| 2004 | 186 | 459 |
| 2005 | 162 | 461 |
| 2006 | 168 | 455 |
| 2007 | 172 | 465 |
| 2008 | 171 | 450 |
| 2009 | 199 | 526 |
| 2010 | 341 | 452 |
| 2011 | 297 | 395 |
| 2012 | 353 | 334 |
| 2013 | 275 | 310 |
| 2014 | 284 | 306 |
| 2015 | 282 | 327 |
| 2016 | 228 | 302 |
| 2017 | 249 | 266 |
| 2018 | 255 | 348 |
| 2019 | 298 | 352 |
| 2020 | 317 | 304 |
| 2021 | 248 | 317 |
| 2022 | 275 | 333 |
| 2023 | 237 | 353 |
| 2024 | 175 | 342 |
| 2025 | 189 | 301 |
| 2026 | 132 | 233 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01M 8/0258Characterised by the configuration of channels2,642
- H01M 8/0204Non-porous and characterised by the material2,455
- H01M 8/0247Characterised by the form1,919
- H01M 8/023Porous and characterised by the material1,791
- H01M 8/0267Having heating or cooling means1,764
- H01M 8/0269Separators, collectors or interconnectors including a printed circuit board87
Recent patents
- Fuel cell separator and method for manufacturing same6 Oct 2026US 12,755,986 B2Dongwoo Hst Co., Ltd.
- Reactant-transport engineering for high-power direct liquid-fuel/oxidant fuel cells6 Oct 2026US 12,755,987 B2Washington University
- Bipolar plate and fuel cell stack6 Oct 2026US 12,755,988 B2Robert Bosch GmbH
- Membrane-electrode assembly capable of satisfying both of two requirements of excellent performance and high durability, and fuel cell including same6 Oct 2026US 12,755,996 B2Kolon Industries, Inc.
- SOC stack comprising integrated interconnect and spacer6 Oct 2026US 12,755,998 B2Topsoe A/S
- Stainless steel for fuel cell separator8 Oct 2026US 2026/0312081 A1Posco
- Mesh, water electrolysis apparatus, and fuel cell8 Oct 2026US 2026/0312082 A1Sumitomo Electric Industries, Ltd.
- Thin-film composite membranes for electrochemical systems8 Oct 2026US 2026/0312083 A1Massachusetts Institute of Technology
- Method for producing separator8 Oct 2026US 2026/0312084 A1Nok Corporation
- Bipolar plate8 Oct 2026US 2026/0312085 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Method for manufacturing porous structure and method for forming pattern645US 6,565,763 B1Kabushiki Kaisha Toshiba · 2003
- Fuel cell gas management system240US 6,013,385 AEmprise Corporation · 2000
- Surface replica fuel cell for micro fuel cell electrical power pack208US 5,759,712 A1998
- Aqueous liquid feed organic fuel cell using solid polymer electrolyte membrane173US 5,599,638 ACalifornia Institute of Technology · 1997
- High energy density redox flow device172US 8,722,226 B224M Technologies, Inc. · 2014