C25B 9/60
Constructional parts of cells
C25B9/60 (Constructional parts of cells) appears on 1,095 US grants and 1,737 published applications in this corpus.
Search patents in C25B- Granted patents
- 1,095
- Published applications
- 1,737
- Assignees
- 803
- Inventors
- 3,558
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 27 | 0 |
| 1978 | 20 | 0 |
| 1979 | 13 | 0 |
| 1980 | 12 | 0 |
| 1981 | 15 | 0 |
| 1982 | 26 | 0 |
| 1983 | 14 | 0 |
| 1984 | 26 | 0 |
| 1985 | 20 | 0 |
| 1986 | 14 | 0 |
| 1987 | 17 | 0 |
| 1988 | 14 | 0 |
| 1989 | 9 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 14 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 12 | 0 |
| 2000 | 14 | 0 |
| 2001 | 11 | 6 |
| 2002 | 7 | 7 |
| 2003 | 4 | 6 |
| 2004 | 6 | 17 |
| 2005 | 7 | 10 |
| 2006 | 7 | 12 |
| 2007 | 5 | 9 |
| 2008 | 7 | 21 |
| 2009 | 3 | 26 |
| 2010 | 10 | 26 |
| 2011 | 11 | 18 |
| 2012 | 12 | 19 |
| 2013 | 14 | 20 |
| 2014 | 10 | 37 |
| 2015 | 25 | 38 |
| 2016 | 24 | 43 |
| 2017 | 24 | 56 |
| 2018 | 43 | 46 |
| 2019 | 43 | 56 |
| 2020 | 32 | 56 |
| 2021 | 47 | 108 |
| 2022 | 60 | 151 |
| 2023 | 77 | 202 |
| 2024 | 77 | 257 |
| 2025 | 118 | 299 |
| 2026 | 70 | 191 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydrogen production cathode and anode6 Oct 2026US 12,753,518 B2Civilized Power, LLC
- 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
- Multi-cell COx electrolyzer stacks29 Sep 2026US 12,747,510 B2Twelve Benefit Corporation
- Portable hydrogen-oxygen generator22 Sep 2026US 12,742,246 B2Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Gas generator for a tool, usage of the gas generator and a tool with a gas generator8 Oct 2026US 2026/0308772 A1Hilti Aktiengesellschaft
- Scalable automated oxyhydrogen-production, storage, and utilization system8 Oct 2026US 2026/0308773 A1Enertopia Corp.
- System and Methods for Controlling Material Synthesis via Electrochemical Reactions8 Oct 2026US 2026/0308774 A1Quantom Corporation
- Components for electrolytic apparatus and electrolytic apparatus8 Oct 2026US 2026/0308777 A1Robert Bosch GmbH
- Casing Structure Design for Electrolytic Cells8 Oct 2026US 2026/0308779 A1Viering, Jentschura & Partner mbB Patent und Rechtsanwälte
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