C25B 15/02
Process control or regulation
C25B15/02 (Process control or regulation) appears on 1,005 US grants and 2,033 published applications in this corpus.
Search patents in C25B- Granted patents
- 1,005
- Published applications
- 2,033
- Assignees
- 783
- Inventors
- 3,554
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 4 |
| 2003 | 2 | 9 |
| 2004 | 7 | 10 |
| 2005 | 1 | 13 |
| 2006 | 4 | 8 |
| 2007 | 4 | 11 |
| 2008 | 6 | 15 |
| 2009 | 4 | 18 |
| 2010 | 3 | 22 |
| 2011 | 11 | 26 |
| 2012 | 9 | 30 |
| 2013 | 13 | 53 |
| 2014 | 19 | 47 |
| 2015 | 33 | 67 |
| 2016 | 37 | 97 |
| 2017 | 35 | 76 |
| 2018 | 62 | 79 |
| 2019 | 78 | 117 |
| 2020 | 56 | 97 |
| 2021 | 58 | 107 |
| 2022 | 83 | 174 |
| 2023 | 108 | 220 |
| 2024 | 126 | 275 |
| 2025 | 114 | 272 |
| 2026 | 82 | 185 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and methods of water electrolysis29 Sep 2026US 12,747,509 B2Schlumberger Technology Corporation
- Method for controlling organic hydride generation system, and organic hydride generation system22 Sep 2026US 12,742,245 B2Eneos Corporation
- Portable hydrogen-oxygen generator22 Sep 2026US 12,742,246 B2Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Hydrogen generator with a hydrogen leak conscious function22 Sep 2026US 12,742,249 B2
- Modular systems for hydrogen generation and methods of operating thereof15 Sep 2026US 12,735,797 B2Ohmium International, Inc.
- 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
- Method for reactivating an electrolysis cell unit8 Oct 2026US 2026/0308780 A1thyssenkrupp nucera AG & Co. KGaA
- Re-activation process of gas diffusion electrode8 Oct 2026US 2026/0308788 A1Vito NV
- Detection of damage to components within an electrolyzer stack during operation8 Oct 2026US 2026/0308789 A1Fourier Earth, Inc.
Most cited
By later US patents
- Wind farm generation scheme utilizing electrolysis to create gaseous fuel for a constant output generator112US 5,592,028 A1997
- Propellant generator and method of generating propellants108US 5,505,824 AUnited Technologies Corporation · 1996
- Electrochemical load management system for transportation applications86US 5,346,778 AEnergy Partners, Inc. · 1994
- Hydrogen and oxygen gas generating system69US 5,690,797 AMitsubishi Corporation · 1997
- Electrochemical apparatus to generate hydrogen and sequester carbon dioxide40US 8,227,127 B2New Sky Energy, Inc. · 2012