C25B 11/044
Impregnation of carbon
C25B11/044 (Impregnation of carbon) appears on 55 US grants and 41 published applications in this corpus.
Search patents in C25B- Granted patents
- 55
- Published applications
- 41
- Assignees
- 52
- Inventors
- 165
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 1 |
| 2015 | 2 | 2 |
| 2016 | 0 | 4 |
| 2017 | 2 | 6 |
| 2018 | 1 | 2 |
| 2019 | 2 | 6 |
| 2020 | 5 | 4 |
| 2021 | 3 | 4 |
| 2022 | 3 | 2 |
| 2023 | 3 | 1 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Heteroatom-doped carbon catalyst for electrocatalytic halogen production2 Sep 2025US 12,404,592 B2Ohio State Innovation Foundation
- Carbon dioxide reduction device, and porous electrode26 Aug 2025US 12,398,474 B2Sekisui Chemical Co., Ltd.
- Water electrolysis apparatus, and sterilization/cleaning method and method for decomposing/removing harmful substance, each using water electrolysis apparatus26 Mar 2024US 11,939,687 B2Kogakuin University
- Carbon dioxide reduction device, and porous electrode17 Oct 2023US 11,788,195 B2Sekisui Chemical Co., Ltd.
- 3D reduced graphene oxide foams embedded with nanocatalysts, synthesizing methods and applications of same19 Sep 2023US 11,761,099 B2Board of Trustees of the University of Arkansas
- A process for precipitating particles of platinum group metals30 May 2024US 2024/0175156 A1Katholieke Universiteit Leuven
- Carbon dioxide reduction device, and porous electrode21 Dec 2023US 2023/0407494 A1Sekisui Chemical Co., Ltd.
- A method for efficient electrocatalytic synthesis of pure liquid product solutions including h2o2, oxygenates, ammonia, and so on18 Aug 2022US 2022/0259746 A1William Marsh Rice University
- Water electrolysis apparatus, and sterilization/cleaning method and method for decomposing/removing harmful substance, each using water electrolysis apparatus31 Mar 2022US 2022/0098745 A1Kogakuin University
- Carbon dioxide reduction device, and porous electrode3 Jun 2021US 2021/0164117 A1Sekisui Chemical Co., Ltd.
Most cited
By later US patents
- Gold electrocatalyst, methods for preparing it, electrodes prepared therefrom and methods of using them48US 5,041,195 APhysical Sciences, Inc. · 1991
- Electrochemical cell having electrode comprising gold containing electrocatalyst46US 5,133,842 APhysical Sciences, Inc. · 1992
- Carbon/carbon composite materials and use thereof in electrochemical cells33US 5,776,633 AJohnson Controls Technology Company · 1998
- Laminated electrode the use thereof27US 4,765,874 AW. C. Heraeus GmbH · 1988
- Carbon-cloth-based electrocatalytic gas diffusion electrodes, assembly and electrochemical cells comprising the same26US 4,248,682 APrototech Company · 1981