C25B 1/24
Halogens or compounds thereof
C25B1/24 (Halogens or compounds thereof) appears on 752 US grants and 871 published applications in this corpus.
Search patents in C25B- Granted patents
- 752
- Published applications
- 871
- Assignees
- 517
- Inventors
- 1,859
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 19 | 0 |
| 1979 | 9 | 0 |
| 1980 | 15 | 0 |
| 1981 | 18 | 0 |
| 1982 | 17 | 0 |
| 1983 | 7 | 0 |
| 1984 | 14 | 0 |
| 1985 | 10 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 9 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 16 | 0 |
| 1993 | 12 | 0 |
| 1994 | 12 | 0 |
| 1995 | 10 | 0 |
| 1996 | 3 | 0 |
| 1997 | 12 | 0 |
| 1998 | 9 | 0 |
| 1999 | 15 | 0 |
| 2000 | 13 | 0 |
| 2001 | 10 | 1 |
| 2002 | 15 | 5 |
| 2003 | 2 | 15 |
| 2004 | 6 | 18 |
| 2005 | 6 | 17 |
| 2006 | 4 | 9 |
| 2007 | 3 | 19 |
| 2008 | 4 | 19 |
| 2009 | 5 | 15 |
| 2010 | 8 | 32 |
| 2011 | 14 | 25 |
| 2012 | 18 | 44 |
| 2013 | 19 | 46 |
| 2014 | 31 | 53 |
| 2015 | 26 | 51 |
| 2016 | 31 | 55 |
| 2017 | 29 | 43 |
| 2018 | 31 | 47 |
| 2019 | 36 | 32 |
| 2020 | 27 | 40 |
| 2021 | 25 | 41 |
| 2022 | 27 | 62 |
| 2023 | 28 | 44 |
| 2024 | 29 | 49 |
| 2025 | 34 | 59 |
| 2026 | 23 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Production of chlorine, carbon monoxide and optionally hydrogen29 Sep 2026US 12,747,507 B2
- Water sanitization device, system and method1 Sep 2026US 12,722,991 B2Waterco Limited
- Electrode for electrolysis1 Sep 2026US 12,723,316 B2LG Chem.Ltd.
- Electrochemical cell and process for producing metal and chlorine gas18 Aug 2026US 12,709,814 B2University of Oregon
- Electrochemical device for producing biocide solutions4 Aug 2026US 12,698,566 B2Suretol Limited
- Method for reactivating an electrolysis cell unit8 Oct 2026US 2026/0308780 A1thyssenkrupp nucera AG & Co. KGaA
- Method and system for operating an electrochemical reactor8 Oct 2026US 2026/0308790 A1Covestro Deutschland AG
- Base station for a floor cleaner1 Oct 2026US 2026/0294197 A1BSH Hausgeräte GmbH
- Electrolyte production method and fluorine gas production method1 Oct 2026US 2026/0297764 A1Resonac Corporation
- Electrolyte production device, electrolyte production method, and fluorine gas production method1 Oct 2026US 2026/0297779 A1Resonac Corporation
Most cited
By later US patents
- Production of halogens in an electrolysis cell with catalytic electrodes bonded to an ion transporting membrane and an oxygen depolarized cathode156US 4,191,618 AGeneral Electric Company · 1980
- Electrolytic process and apparatus for the controlled oxidation of inorganic and organic species in aqueous solutions111US 5,419,816 AHalox Technologies, Inc. · 1995
- Gas diffusion anode and CO2 cathode electrolyte system100US 7,993,500 B2Calera Corporation · 2011
- Electrochemical process for producing chloric acid - alkali metal chlorate mixtures96US 5,084,148 AOlin Corporation · 1992
- Low energy electrochemical hydroxide system and method93US 7,790,012 B2Calera Corporation · 2010