H01M 4/8839
Painting
Official title: {Painting}
H01M4/8839 (Painting) appears on 23 US grants and 20 published applications in this corpus.
Search patents in H01M- Granted patents
- 23
- Published applications
- 20
- Assignees
- 21
- Inventors
- 64
- Latest grant
- 18 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 2 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 2 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing a catalyst-coated membrane18 Jun 2024US 12,015,158 B2Heraeus Deutschland GmbH & Co. KG
- Method of manufacturing membrane electrode assembly with minimized interfacial resistance9 Nov 2021US 11,171,338 B2Hyundai Motor Company
- Process of manufacturing a catalyst-coated membrane-seal assembly11 Sep 2018US 10,074,860 B2Johnson Matthey Fuel Cells Limited
- Electrochemical or electric layer system, method for the production and use thereof8 Aug 2017US 9,728,807 B2Continental Automotive GmbH
- Two layer electrolyte supported fuel cell stack5 Jun 2012US 8,192,888 B2NexTech Materials, Ltd.
- N-propanol/h2o mixed solvent compositions for membrane electrode assemblies9 Feb 2023US 2023/0038725 A1
- Method for producing a catalyst-coated membrane11 Aug 2022US 2022/0255086 A1Heraeus Deutschland GmbH & Co. KG
- Method of manufacturing membrane electrode assembly with minimized interfacial resistance9 Jan 2020US 2020/0014037 A1Hyundai Motor Company
- Process of manufacturing a catalyst-coated membrane-seal assembly13 Apr 2017US 2017/0104225 A1Johnson Matthey Fuel Cells Limited
- Gas Diffusion Electrodes and Methods for Fabricating and Testing Same31 Dec 2015US 2015/0376803 A1Brookhaven Science Associates, LLC
Most cited
By later US patents
- Direct methanol feed fuel cell and system113US 5,773,162 ACalifornia Institute of Technology · 1998
- Ion exchange and electrode assembly for an electrochemical cell86US 6,054,230 AJapan Gore-Tex, Inc. · 2000
- Direct methanol feed fuel cell and system57US 6,265,093 B1California Institute of Technology · 2001
- Porous electrode for electrode assemblies in a fuel cell56US 5,501,915 AJohnson Matthey Public Limited Company · 1996
- Direct methanol feed fuel cell and system51US 6,303,244 B1California Institute of Technology · 2001