C23C 18/1644
Porous substrates
Official title: {porous substrates}
C23C18/1644 (Porous substrates) appears on 89 US grants and 120 published applications in this corpus.
Search patents in C23C- Granted patents
- 89
- Published applications
- 120
- Assignees
- 115
- Inventors
- 379
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 4 |
| 2004 | 2 | 4 |
| 2005 | 0 | 5 |
| 2006 | 1 | 3 |
| 2007 | 1 | 7 |
| 2008 | 0 | 7 |
| 2009 | 2 | 3 |
| 2010 | 4 | 3 |
| 2011 | 2 | 6 |
| 2012 | 5 | 5 |
| 2013 | 3 | 8 |
| 2014 | 6 | 9 |
| 2015 | 6 | 6 |
| 2016 | 4 | 3 |
| 2017 | 3 | 5 |
| 2018 | 3 | 5 |
| 2019 | 0 | 6 |
| 2020 | 2 | 5 |
| 2021 | 5 | 5 |
| 2022 | 6 | 3 |
| 2023 | 2 | 5 |
| 2024 | 3 | 5 |
| 2025 | 5 | 4 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of producing catalyst, catalyst, and fuel cell23 Dec 2025US 12,506,157 B2Toyota Boshoku Kabushiki Kaisha
- Metal material and method for manufacturing metal material30 Sep 2025US 12,428,732 B2Sumitomo Electric Industries, Ltd.
- Method for preparing silicon-carbon composite anode material and use thereof26 Aug 2025US 12,401,026 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Method for preparing a polymer membrane for a polymer electrolyte water electrolyser25 Feb 2025US 12,234,566 B2Paul Scherrer Institut
- Copper-fouling-resistant stator water cooling (SWC) system and method18 Feb 2025US 12,227,849 B2Constellation Energy Generation, LLC
- Method for producing a functional structure, and functional structure25 Jun 2026US 2026/0176786 A1Friedrich-Alexander-UniversitäT Erlangen-NüRnberg (Fau) PersonalköRperschaft Des öFfentlichen Rechts
- Electromagnetic shielding nonwoven fabric containing carbon fibers, composite material, and method for manufacturing same21 May 2026US 2026/0139429 A1Hansol Chemical Co., Ltd.
- Catalyst for water electrolysis using fluorine-doped tin oxide support and method for manufacturing the same30 Oct 2025US 2025/0333846 A1Korea Basic Science Institute
- Methods for infiltrating gallium into porous scaffolds14 Aug 2025US 2025/0257468 A1U.S. Army DEVCOM Army Research Laboratory
- Copper-fouling resistant stator water cooling (swc) system and method15 May 2025US 2025/0154656 A1Constellation Energy Generation, LLC
Most cited
By later US patents
- Microporous metal-plated polytetrafluoroethylene articles and method of manufacture63US 4,557,957 AW. L. Gore & Associates, Inc. · 1985
- Microporous metal-plated polytetrafluoroethylene articles and method of manufacture55US 4,720,400 AW. L. Gore & Associates, Inc. · 1988
- Fine screen and fine screen stack, their use and process for the manufacture of fine screens52US 4,655,797 AKernforschungsanlage Julich Gesellschaft mit beschrankter Haftung · 1987
- Method of metallizing materials43US 4,077,853 AStauffer Chemical Company · 1978
- Process for preparing selectively conductive materials by electroless metal deposition and product made therefrom40US 5,498,467 AW. L. Gore & Associates, Inc. · 1996