C25B 9/65
Means for supplying current
Official title: Means for supplying current; Electrode connections; Electric inter-cell connections
C25B9/65 (Means for supplying current) appears on 705 US grants and 966 published applications in this corpus.
Search patents in C25B- Granted patents
- 705
- Published applications
- 966
- Assignees
- 528
- Inventors
- 2,145
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 20 | 0 |
| 1978 | 19 | 0 |
| 1979 | 10 | 0 |
| 1980 | 8 | 0 |
| 1981 | 12 | 0 |
| 1982 | 19 | 0 |
| 1983 | 12 | 0 |
| 1984 | 14 | 0 |
| 1985 | 17 | 0 |
| 1986 | 10 | 0 |
| 1987 | 13 | 0 |
| 1988 | 10 | 0 |
| 1989 | 9 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 13 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 13 | 0 |
| 2001 | 8 | 6 |
| 2002 | 5 | 5 |
| 2003 | 4 | 6 |
| 2004 | 5 | 14 |
| 2005 | 6 | 7 |
| 2006 | 6 | 8 |
| 2007 | 5 | 9 |
| 2008 | 3 | 15 |
| 2009 | 1 | 17 |
| 2010 | 7 | 12 |
| 2011 | 7 | 8 |
| 2012 | 10 | 10 |
| 2013 | 9 | 11 |
| 2014 | 6 | 21 |
| 2015 | 16 | 24 |
| 2016 | 16 | 31 |
| 2017 | 17 | 40 |
| 2018 | 28 | 28 |
| 2019 | 30 | 46 |
| 2020 | 23 | 42 |
| 2021 | 28 | 64 |
| 2022 | 41 | 78 |
| 2023 | 45 | 102 |
| 2024 | 36 | 113 |
| 2025 | 54 | 150 |
| 2026 | 27 | 99 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrolysis cell, electrolyzer and method for reducing CO26 Oct 2026US 12,753,522 B2Covestro Intellectual Property GmbH & Co.KG
- System and methods of water electrolysis29 Sep 2026US 12,747,509 B2Schlumberger Technology Corporation
- Portable hydrogen-oxygen generator22 Sep 2026US 12,742,246 B2Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Device and method for carbon dioxide electrolysis or carbon monoxide electrolysis22 Sep 2026US 12,742,248 B2Siemens Energy Global GmbH & Co. KG
- Methods and systems to provide electric power from solar energy equipment15 Sep 2026US 12,738,745 B2Shell USA, Inc.
- Gas generator for a tool, usage of the gas generator and a tool with a gas generator8 Oct 2026US 2026/0308772 A1Hilti Aktiengesellschaft
- System and Methods for Controlling Material Synthesis via Electrochemical Reactions8 Oct 2026US 2026/0308774 A1Quantom Corporation
- Electrolysis cell1 Oct 2026US 2026/0297767 A1De Nora Permelec Ltd
- Electrochemical cell stack interconnect including screen printed features and methods of forming same1 Oct 2026US 2026/0297768 A1Bloom Energy Corporation
- Improving diagnostic measurements during operation of electrolyzers1 Oct 2026US 2026/0297777 A1Fourier Earth, Inc.
Most cited
By later US patents
- Electrolyser and components therefor190US 8,057,646 B2Hydrogenics Corporation · 2011
- Low cost bipolar current collector-separator for electrochemical cells160US 4,214,969 AGeneral Electric Company · 1980
- Membrane electrochemical cell provided with gas diffusion electrodes in contact with porour, flat, metal current conductors having highly distributed contact area91US 6,022,634 ADe Nora S.p.A. · 2000
- Electrochemical conversion of anhydrous hydrogen halide to halogen gas using a cation-transporting membrane83US 5,411,641 AE. I. Du Pont de Nemours and Company · 1995
- Apparatus and process for electrochemically decomposing salt solutions to form the relevant base and acid77US 5,595,641 ADeNora Permelec S.p.A. · 1997