C02F 1/461
By electrolysis
Official title: by electrolysis
C02F1/461 (By electrolysis) appears on 3,737 US grants and 4,554 published applications in this corpus.
Search patents in C02F- Granted patents
- 3,737
- Published applications
- 4,554
- Assignees
- 2,321
- Inventors
- 8,842
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 44 | 0 |
| 1977 | 45 | 0 |
| 1978 | 48 | 0 |
| 1979 | 26 | 0 |
| 1980 | 39 | 0 |
| 1981 | 41 | 0 |
| 1982 | 34 | 0 |
| 1983 | 24 | 0 |
| 1984 | 21 | 0 |
| 1985 | 22 | 0 |
| 1986 | 15 | 0 |
| 1987 | 24 | 0 |
| 1988 | 30 | 0 |
| 1989 | 26 | 0 |
| 1990 | 22 | 0 |
| 1991 | 36 | 0 |
| 1992 | 22 | 0 |
| 1993 | 34 | 0 |
| 1994 | 53 | 0 |
| 1995 | 48 | 0 |
| 1996 | 39 | 0 |
| 1997 | 55 | 0 |
| 1998 | 73 | 0 |
| 1999 | 99 | 0 |
| 2000 | 77 | 0 |
| 2001 | 104 | 13 |
| 2002 | 72 | 99 |
| 2003 | 80 | 127 |
| 2004 | 74 | 115 |
| 2005 | 60 | 104 |
| 2006 | 41 | 154 |
| 2007 | 50 | 105 |
| 2008 | 54 | 128 |
| 2009 | 45 | 152 |
| 2010 | 80 | 164 |
| 2011 | 74 | 192 |
| 2012 | 94 | 164 |
| 2013 | 116 | 183 |
| 2014 | 102 | 187 |
| 2015 | 106 | 213 |
| 2016 | 102 | 193 |
| 2017 | 103 | 201 |
| 2018 | 147 | 215 |
| 2019 | 166 | 210 |
| 2020 | 159 | 238 |
| 2021 | 149 | 239 |
| 2022 | 152 | 254 |
| 2023 | 179 | 259 |
| 2024 | 157 | 241 |
| 2025 | 165 | 236 |
| 2026 | 109 | 168 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Waste water treatment process6 Oct 2026US 12,753,095 B2U.S. Clean Water Technology, Inc.
- Flow features for self-cleaning concentric tubular electrochemical cells6 Oct 2026US 12,753,096 B2Evoqua Water Technologies LLC
- Recycling system29 Sep 2026US 12,747,175 B2Abu Dhabi University
- Electrochemical nitrogen and phosphorus removal device and method29 Sep 2026US 12,747,176 B2Beijing Drainage Group Co., Ltd
- Method and kit for remediation of environments contaminated with halogenated organic compounds15 Sep 2026US 12,734,568 B2Photon Remediation Technology N.V.
- Electrochemical cell8 Oct 2026US 2026/0308024 A1Imperial College Innovations Limited
- Materials, panels and uses thereof8 Oct 2026US 2026/0308784 A1B. G. Negev Technologies and Applications Ltd., At Ben-Gurion University
- Systems, Devices, and Methods for Electrical Generation from Vacuum Distillation1 Oct 2026US 2026/0295457 A1American Water and Energy LLC
- Oxygen or hydrogen functional water production device1 Oct 2026US 2026/0296941 A1Cosan Co., Ltd.
- Appliance with split-electrode water filtration assembly24 Sep 2026US 2026/0285713 A1Haier US Appliance Solutions, Inc.
Most cited
By later US patents
- Electrochemical production of ozone and hydrogen peroxide465US 5,972,196 ALynntech, Inc. · 1999
- Electrochemical synthesis of hydrogen peroxide366US 6,712,949 B2The Electrosynthesis Company, Inc. · 2004
- Method and apparatus for capacitive deionization, electrochemical purification, and regeneration of electrodes157US 5,425,858 AThe Regents of the University of California · 1995
- Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes139US 6,309,532 B1The Regents of the University of California · 2001
- Implantable bone lengthening apparatus using a drive gear mechanism129US 5,704,938 AVolunteers for Medical Engineering · 1998