C25B 9/015
Cylindrical cells
C25B9/015 (Cylindrical cells) appears on 150 US grants and 184 published applications in this corpus.
Search patents in C25B- Granted patents
- 150
- Published applications
- 184
- Assignees
- 152
- Inventors
- 471
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 3 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 3 | 2 |
| 2006 | 0 | 2 |
| 2007 | 2 | 3 |
| 2008 | 1 | 2 |
| 2009 | 1 | 7 |
| 2010 | 2 | 2 |
| 2011 | 0 | 5 |
| 2012 | 3 | 8 |
| 2013 | 4 | 9 |
| 2014 | 4 | 11 |
| 2015 | 6 | 8 |
| 2016 | 7 | 8 |
| 2017 | 4 | 11 |
| 2018 | 4 | 5 |
| 2019 | 11 | 10 |
| 2020 | 4 | 7 |
| 2021 | 6 | 9 |
| 2022 | 8 | 18 |
| 2023 | 11 | 12 |
| 2024 | 7 | 19 |
| 2025 | 9 | 11 |
| 2026 | 3 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrogen production cathode and anode6 Oct 2026US 12,753,518 B2Civilized Power, LLC
- Electrochemical producer for hydrogen or carbon monoxide5 May 2026US 12,618,160 B2Utility Global, Inc.
- Electrocatalytic method and apparatus for the simultaneous conversion of methane and CO2 to methanol through an electrochemical reactor operating at ordinary temperatures and pressures, including ambient ones7 Apr 2026US 12,595,573 B2Iritaly Trading Company S.R.L.
- Electrolyte solution production device23 Dec 2025US 12,503,779 B2Panasonic Intellectual Property Management Co., Ltd.
- Production of hydrogen via electrochemical reforming4 Nov 2025US 12,460,306 B2Utility Global, Inc.
- Rotational Electrolysis Arrangement27 Aug 2026US 2026/0250856 A1
- Electrochemical producer for hydrogen or carbon monoxide20 Aug 2026US 2026/0242957 A1Utility Global, Inc.
- Tubular penetration electrode-based flow cell reaction system and operation method6 Aug 2026US 2026/0226633 A1Southeast University
- Low-capacity high-pressure electrolysis device23 Jul 2026US 2026/0209961 A1Hydro-Gen BV
- Method for handling an electrolyser stack and electrolyser stack and production unit16 Jul 2026US 2026/0201578 A1thyssenkrupp nucera AG & Co. KGaA
Most cited
By later US patents
- Series planar design for solid electrolyte oxygen pump78US 5,750,279 AAir Products and Chemicals, Inc. · 1998
- Chemical reactor system68US 6,942,767 B1T-Graphic, LLC · 2005
- Apparatus for electrochemical treatment of water and/or water solutions64US 5,628,888 ARSCECAT, USA, Inc. · 1997
- Chlorine gas generator apparatus61US 4,290,873 A1981
- Air pump-assisted hydrogen/oxygen fuel cell for use with internal combustion engine52US 5,458,095 AEnergy Reductions Systems, Inc. · 1995