H01M 4/8828
Coating with slurry or ink
Official title: {Coating with slurry or ink}
H01M4/8828 (Coating with slurry or ink) appears on 718 US grants and 1,109 published applications in this corpus.
Search patents in H01M- Granted patents
- 718
- Published applications
- 1,109
- Assignees
- 456
- Inventors
- 2,455
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 13 | 4 |
| 2002 | 10 | 21 |
| 2003 | 11 | 32 |
| 2004 | 10 | 41 |
| 2005 | 12 | 39 |
| 2006 | 27 | 54 |
| 2007 | 13 | 56 |
| 2008 | 13 | 42 |
| 2009 | 18 | 51 |
| 2010 | 29 | 63 |
| 2011 | 28 | 46 |
| 2012 | 29 | 44 |
| 2013 | 38 | 45 |
| 2014 | 30 | 56 |
| 2015 | 26 | 39 |
| 2016 | 37 | 52 |
| 2017 | 27 | 32 |
| 2018 | 33 | 49 |
| 2019 | 33 | 39 |
| 2020 | 26 | 49 |
| 2021 | 30 | 60 |
| 2022 | 51 | 63 |
| 2023 | 43 | 40 |
| 2024 | 34 | 45 |
| 2025 | 39 | 31 |
| 2026 | 15 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalyst-coated membrane and method of manufacture28 Jul 2026US 12,695,099 B2Johnson Matthey Hydrogen Technologies Limited
- Negative electrode for lithium secondary battery, method for preparing negative electrode for lithium secondary battery, and lithium secondary battery comprising negative electrode7 Jul 2026US 12,676,302 B2LG Energy Solution, Ltd.
- Cathode catalyst layer and preparation method and use thereof, and fuel cell30 Jun 2026US 12,671,095 B2Haidriver (Beijing) Energy Technology Co., Ltd
- Method for preparing a submicro/nano-porous nio/apatite-type lanthanum silicate anode functional layer16 Jun 2026US 12,658,455 B2Dalian University of Technology
- Proton-conducting ceramic fuel cell architecture2 Jun 2026US 12,646,724 B2Versa Power Systems, Ltd.
- Hydrophobic biobinder for cathodic formulation20 Aug 2026US 2026/0245916 A1Befc
- Optimizing membrane electrode assembly construction to reduce fuel crossover and enhance open circuit voltage performance in pem fuel cells20 Aug 2026US 2026/0245935 A1Honda Motor Co., Ltd.
- Methods for manufacturing membrane electrode assembly for a proton exchange membrane electrochemical cell30 Jul 2026US 2026/0221478 A1GM Global Technology Operations LLC
- Method for producing a multi-layer, in particular five- or six-layer, membrane-electrode arrangement23 Jul 2026US 2026/0213221 A1Robert Bosch GmbH
- Fuel cell electrode catalytic layer and membrane electrode comprising same23 Jul 2026US 2026/0213222 A1Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Most cited
By later US patents
- Membrane and electrode structure142US 5,330,860 AE. I. Du Pont de Nemours and Company · 1994
- 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
- Compliant energy storing structural sheet86US 8,514,548 B2The Paper Battery Co. · 2013
- Energy devices and methods for the fabrication of energy devices84US 6,753,108 B1Superior MicroPowders LLC · 2004