H01M 8/0221
Organic resins
Official title: Organic resins; Organic polymers
H01M8/0221 (Organic resins) appears on 470 US grants and 757 published applications in this corpus.
Search patents in H01M- Granted patents
- 470
- Published applications
- 757
- Assignees
- 348
- Inventors
- 1,605
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 4 |
| 2002 | 12 | 31 |
| 2003 | 13 | 50 |
| 2004 | 20 | 53 |
| 2005 | 20 | 56 |
| 2006 | 18 | 50 |
| 2007 | 12 | 63 |
| 2008 | 19 | 48 |
| 2009 | 17 | 39 |
| 2010 | 38 | 35 |
| 2011 | 33 | 32 |
| 2012 | 20 | 15 |
| 2013 | 18 | 19 |
| 2014 | 18 | 17 |
| 2015 | 16 | 14 |
| 2016 | 14 | 14 |
| 2017 | 7 | 12 |
| 2018 | 6 | 22 |
| 2019 | 17 | 34 |
| 2020 | 26 | 25 |
| 2021 | 25 | 25 |
| 2022 | 18 | 22 |
| 2023 | 17 | 19 |
| 2024 | 17 | 25 |
| 2025 | 8 | 18 |
| 2026 | 7 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bipolar plate, method of production, and use thereof8 Sep 2026US 12,731,796 B2EKPO Fuel Cell Technologies GmbH
- Separator integrated with gasket for fuel cell and method for manufacturing the same25 Aug 2026US 12,719,065 B2Hyundai Motor Company
- Current collector for redox flow batteries16 Jun 2026US 12,658,450 B2Uop LLC
- Fuel cell9 Jun 2026US 12,651,756 B2Hyundai Motor Company
- Bipolar plate, fuel cell, and method for producing a bipolar plate5 May 2026US 12,620,603 B2EKPO Fuel Cell Technologies GmbH
- Capacitive-faradaic and pseudocapacitive-faradaic fuel cells20 Aug 2026US 2026/0242256 A1Technion Research & Development Foundation Limited
- A fuel cell20 Aug 2026US 2026/0245919 A1Bramble Energy Limited
- Composite fuel cell bipolar plate13 Aug 2026US 2026/0237689 A1GM Global Technology Operations LLC
- Method of production for components of a fuel cell stack2 Jul 2026US 2026/0183993 A1Cellcentric GmbH & Co. KG
- Bipolar plate, fuel cell system and electrolyzer18 Jun 2026US 2026/0171434 A1
Most cited
By later US patents
- High energy density redox flow device172US 8,722,226 B224M Technologies, Inc. · 2014
- Low cost bipolar current collector-separator for electrochemical cells160US 4,214,969 AGeneral Electric Company · 1980
- High energy density redox flow device134US 9,153,833 B224M Technologies, Inc. · 2015
- 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
- Membrane electrode assemblies115US 5,910,378 AMinnesota Mining and Manufacturing Company · 1999