H01M 4/886
Powder spraying
Official title: {Powder spraying, e.g. wet or dry powder spraying, plasma spraying}
H01M4/886 (Powder spraying) appears on 142 US grants and 215 published applications in this corpus.
Search patents in H01M- Granted patents
- 142
- Published applications
- 215
- Assignees
- 159
- Inventors
- 568
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 3 |
| 2003 | 4 | 9 |
| 2004 | 5 | 8 |
| 2005 | 1 | 16 |
| 2006 | 10 | 14 |
| 2007 | 1 | 11 |
| 2008 | 2 | 12 |
| 2009 | 4 | 14 |
| 2010 | 6 | 10 |
| 2011 | 8 | 7 |
| 2012 | 9 | 14 |
| 2013 | 1 | 9 |
| 2014 | 10 | 9 |
| 2015 | 9 | 10 |
| 2016 | 8 | 9 |
| 2017 | 5 | 8 |
| 2018 | 7 | 2 |
| 2019 | 4 | 2 |
| 2020 | 4 | 9 |
| 2021 | 7 | 4 |
| 2022 | 1 | 7 |
| 2023 | 5 | 8 |
| 2024 | 10 | 14 |
| 2025 | 4 | 5 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Carbon fiber and graphene compounded high-strength porous material, and gas diffusion layer and preparation method therefor30 Jun 2026US 12,671,094 B2Anhui University
- Method of manufacturing nanolayered cathodes for solid oxide fuel cell using ultrasonic spray infiltration and solid oxide fuel cell manufactured using same23 Jun 2026US 12,665,204 B2Korea Institute of Energy Research
- System and method for continuous fabrication of graded structured units using additive manufacturing17 Mar 2026US 12,580,215 B2Advanced Manufacturing LLC
- Cathode structure of fuel cell23 Sep 2025US 12,424,638 B2Jiangsu Horizon New Energy Technologies Co. Ltd.
- Method for producing a catalyst-coated membrane24 Jun 2025US 12,341,200 B2Audi AG
- Powder for thermal spraying27 Aug 2026US 2026/0250200 A1Fujimi Incorporated
- Hardware and manufacturing methods to coat electrode materials to substrates in secondary ionic battery manufacturing process14 Aug 2025US 2025/0257466 A1Pixion Batteries, Inc.
- Selenium-doped magnetic cobalt-nickel spinel ferrite electrocatalysts for hydrogen evolution and methods of preparation thereof31 Jul 2025US 2025/0246641 A1King Fahd University of Petroleum and Minerals
- Oxygen evolution reaction catalyst31 Jul 2025US 2025/0246642 A1Johnson Matthey Hydrogen Technologies Limited
- Method for producing catalytic noble metal-carrying conductive oxide particles13 Feb 2025US 2025/0054997 A1Cataler Corporation
Most cited
By later US patents
- Energy devices and methods for the fabrication of energy devices84US 6,753,108 B1Superior MicroPowders LLC · 2004
- Dry mix method for making an electrochemical cell electrode62US 4,175,055 AUnited Technologies Corporation · 1979
- Dry floc method for making an electrochemical cell electrode54US 4,287,232 AUnited Technologies Corporation · 1981
- Automated catalyst processing for cloud electrode fabrication for fuel cells36US 4,233,181 AUnited Technologies Corporation · 1980
- Materials for use in electrode manufacture35US 5,716,437 AJohnson Matthey Public Limited Company · 1998