C02F 2201/46115
Electrolytic cell with membranes or diaphragms
C02F2201/46115 (Electrolytic cell with membranes or diaphragms) appears on 910 US grants and 1,082 published applications in this corpus.
Search patents in C02F- Granted patents
- 910
- Published applications
- 1,082
- Assignees
- 664
- Inventors
- 2,533
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 9 | 0 |
| 1988 | 9 | 0 |
| 1989 | 5 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 14 | 0 |
| 1995 | 12 | 0 |
| 1996 | 16 | 0 |
| 1997 | 24 | 0 |
| 1998 | 30 | 0 |
| 1999 | 36 | 0 |
| 2000 | 21 | 0 |
| 2001 | 36 | 4 |
| 2002 | 29 | 24 |
| 2003 | 24 | 40 |
| 2004 | 13 | 26 |
| 2005 | 12 | 27 |
| 2006 | 11 | 16 |
| 2007 | 8 | 26 |
| 2008 | 8 | 32 |
| 2009 | 7 | 31 |
| 2010 | 14 | 38 |
| 2011 | 15 | 43 |
| 2012 | 27 | 27 |
| 2013 | 18 | 51 |
| 2014 | 29 | 44 |
| 2015 | 35 | 42 |
| 2016 | 25 | 54 |
| 2017 | 31 | 51 |
| 2018 | 33 | 33 |
| 2019 | 43 | 43 |
| 2020 | 28 | 56 |
| 2021 | 22 | 48 |
| 2022 | 44 | 52 |
| 2023 | 44 | 84 |
| 2024 | 34 | 65 |
| 2025 | 36 | 76 |
| 2026 | 28 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ion exchange membrane composition and methods for the concentration of perfluoroalkyl substances29 Sep 2026US 12,747,172 B2Evoqua Water Technologies LLC
- Method and kit for remediation of environments contaminated with halogenated organic compounds15 Sep 2026US 12,734,568 B2Photon Remediation Technology N.V.
- Ultrasonic scaler having an ozonated water system8 Sep 2026US 12,729,141 B2DENTSPLY SIRONA Inc.
- Methods and systems for electrochemical oxidation of polyfluoroalkyl and perfluoroalkyl contaminants25 Aug 2026US 12,715,794 B2University of Georgia Research Foundation, Inc.
- Systems and methods of flexible electrochemical stripping to recover alkaline ammonia and acidic ammonium from wastewaters18 Aug 2026US 12,709,560 B2The Board of Trustees of the Leland Stanford Junior University
- Oxygen or hydrogen functional water production device1 Oct 2026US 2026/0296941 A1Cosan Co., Ltd.
- Electrolytic ion water generation device24 Sep 2026US 2026/0285715 A1E-Plan, Inc.
- Electrodialyzer and Electrodialysis System for CO2 Capture from Ocean Water17 Sep 2026US 2026/0274718 A1California Institute of Technology
- Methods of PFAS Destruction using UV Irradiation at 222 Nanometers17 Sep 2026US 2026/0274731 A1Claros Technologies Inc.
- A lithium extraction process through decoupled electrochemical processes10 Sep 2026US 2026/0265091 A1King Abdullah University of Science and Technology
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
- Electrodeionization apparatus202US 4,632,745 AMillipore Corporation · 1986
- Method and apparatus for capacitive deionization, electrochemical purification, and regeneration of electrodes157US 5,425,858 AThe Regents of the University of California · 1995
- Process and apparatus for treatment of fluids, particularly desalinization of aqueous solutions140US 4,636,296 A1987