C02F 1/4618
For producing "ionised" acidic or basic water
Official title: {for producing "ionised" acidic or basic water}
C02F1/4618 (For producing "ionised" acidic or basic water) appears on 527 US grants and 753 published applications in this corpus.
Search patents in C02F- Granted patents
- 527
- Published applications
- 753
- Assignees
- 404
- Inventors
- 1,438
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 17 | 0 |
| 1998 | 25 | 0 |
| 1999 | 27 | 0 |
| 2000 | 15 | 0 |
| 2001 | 20 | 2 |
| 2002 | 17 | 23 |
| 2003 | 21 | 21 |
| 2004 | 5 | 18 |
| 2005 | 10 | 20 |
| 2006 | 7 | 65 |
| 2007 | 7 | 22 |
| 2008 | 10 | 20 |
| 2009 | 4 | 38 |
| 2010 | 9 | 25 |
| 2011 | 10 | 30 |
| 2012 | 14 | 21 |
| 2013 | 14 | 24 |
| 2014 | 12 | 32 |
| 2015 | 13 | 35 |
| 2016 | 20 | 29 |
| 2017 | 18 | 33 |
| 2018 | 17 | 40 |
| 2019 | 25 | 35 |
| 2020 | 21 | 32 |
| 2021 | 19 | 26 |
| 2022 | 31 | 41 |
| 2023 | 23 | 29 |
| 2024 | 27 | 39 |
| 2025 | 16 | 27 |
| 2026 | 9 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ultrasonic scaler having an ozonated water system8 Sep 2026US 12,729,141 B2DENTSPLY SIRONA 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
- Apparatus and methods for nitrogen reduction in wastewater11 Aug 2026US 12,703,650 B2The Board of Trustees of the Leland Stanford Junior University
- System and method for dual-pathway system for carbon dioxide capture from ocean water30 Jun 2026US 12,668,518 B2California Institute of Technology
- Method and device for preparing slightly acidic electrolyzed water with controllable and stable concentration9 Jun 2026US 12,649,674 B2Ningbo C.F Electronic Tech Co., Ltd
- Electrochemical cell8 Oct 2026US 2026/0308024 A1Imperial College Innovations Limited
- Electrolytic ion water generation device24 Sep 2026US 2026/0285715 A1E-Plan, Inc.
- Electrochemical system for generating acidic and basic solutions17 Sep 2026US 2026/0273470 A1The Board of Trustees of the Leland Stanford Junior University
- Method for controlling electrolytic device and electrolytic device17 Sep 2026US 2026/0274717 A1Kabushiki Kaisha Toshiba
- Electrolyzed water generator and water treatment device including same3 Sep 2026US 2026/0257944 A1LG Electronics Inc.
Most cited
By later US patents
- Use of physiologically balanced, ionized, acidic solution in wound healing105US 6,426,066 B1California Pacific Labs, Inc. · 2002
- Strong acid sterilizing liquid containing hypochlorous acid at a low concentration, method and apparatus for generating same, and apparatus for generating and dispensing same104US 5,858,201 AToto Ltd. · 1999
- Electrolytic method and cell for sterilizing water101US 4,761,208 ALos Alamos Technical Associates, Inc. · 1988
- Membrane with internal passages to permit fluid flow and an electrochemical cell containing the same98US 5,635,039 ALynntech, Inc. · 1997
- Apparatus for electrochemical treatment of water84US 5,427,667 A1995