C02F 1/4676
By electroreduction
Official title: {by electroreduction}
C02F1/4676 (By electroreduction) appears on 324 US grants and 312 published applications in this corpus.
Search patents in C02F- Granted patents
- 324
- Published applications
- 312
- Assignees
- 303
- Inventors
- 926
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 1 |
| 2002 | 10 | 5 |
| 2003 | 5 | 10 |
| 2004 | 2 | 12 |
| 2005 | 3 | 7 |
| 2006 | 4 | 2 |
| 2007 | 4 | 7 |
| 2008 | 3 | 9 |
| 2009 | 2 | 11 |
| 2010 | 4 | 7 |
| 2011 | 5 | 10 |
| 2012 | 3 | 11 |
| 2013 | 7 | 10 |
| 2014 | 0 | 10 |
| 2015 | 5 | 16 |
| 2016 | 8 | 13 |
| 2017 | 7 | 12 |
| 2018 | 9 | 15 |
| 2019 | 11 | 8 |
| 2020 | 9 | 21 |
| 2021 | 8 | 27 |
| 2022 | 15 | 23 |
| 2023 | 13 | 15 |
| 2024 | 10 | 15 |
| 2025 | 12 | 22 |
| 2026 | 12 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and kit for remediation of environments contaminated with halogenated organic compounds15 Sep 2026US 12,734,568 B2Photon Remediation Technology N.V.
- System for removing a contaminant from wastewater from an industrial plant and the industrial plant including the same25 Aug 2026US 12,715,793 B2Yara International Asa
- Apparatus and methods for nitrogen reduction in wastewater11 Aug 2026US 12,703,650 B2The Board of Trustees of the Leland Stanford Junior University
- Concentric electrochemical device4 Aug 2026US 12,698,221 B2PowerTech Water, Inc.
- Hybrid electrodialysis and electrolysis systems and processes23 Jun 2026US 12,662,401 B2Pani Clean, Inc.
- Methods of PFAS Destruction using UV Irradiation at 222 Nanometers17 Sep 2026US 2026/0274731 A1Claros Technologies Inc.
- Capacitive-faradaic and pseudocapacitive-faradaic fuel cells20 Aug 2026US 2026/0242256 A1Technion Research & Development Foundation Limited
- Waterborne Cleaning Robot with Sterilization Function23 Jul 2026US 2026/0209090 A1Ningbo SurgeEdge Management Co., Ltd
- Method and device for purifying water23 Jul 2026US 2026/0209095 A1Water Iq International B.V.
- Portable hydrogen water preparation container2 Jul 2026US 2026/0184607 A1Echo Technologies, Inc.
Most cited
By later US patents
- Electrolytic process and apparatus for the controlled oxidation of inorganic and organic species in aqueous solutions111US 5,419,816 AHalox Technologies, Inc. · 1995
- Electrolytic apparatus and methods for purification of aqueous solutions93US 6,315,886 B1The Electrosynthesis Company, Inc. · 2001
- Water deionization and contaminants removal or degradation54US 4,983,267 AInnova Pure Water Inc. · 1991
- Method and apparatus for removing nitrates from water47US 5,614,078 AUpscale Technologies, Inc. · 1997
- Electrolytic reactor45US 4,585,539 ATechnic, Inc. · 1986