C02F 2201/78
Details relating to ozone treatment devices
C02F2201/78 (Details relating to ozone treatment devices) appears on 566 US grants and 649 published applications in this corpus.
Search patents in C02F- Granted patents
- 566
- Published applications
- 649
- Assignees
- 356
- Inventors
- 1,079
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 9 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 12 | 0 |
| 2001 | 17 | 8 |
| 2002 | 27 | 32 |
| 2003 | 20 | 31 |
| 2004 | 20 | 25 |
| 2005 | 13 | 24 |
| 2006 | 12 | 19 |
| 2007 | 10 | 12 |
| 2008 | 7 | 20 |
| 2009 | 7 | 18 |
| 2010 | 13 | 17 |
| 2011 | 9 | 20 |
| 2012 | 10 | 19 |
| 2013 | 10 | 13 |
| 2014 | 18 | 18 |
| 2015 | 13 | 20 |
| 2016 | 15 | 16 |
| 2017 | 16 | 31 |
| 2018 | 20 | 34 |
| 2019 | 21 | 33 |
| 2020 | 30 | 40 |
| 2021 | 26 | 46 |
| 2022 | 49 | 46 |
| 2023 | 22 | 28 |
| 2024 | 26 | 28 |
| 2025 | 35 | 33 |
| 2026 | 14 | 18 |
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.
- Method for treating water by adsorption on activated carbon coupled with an addition of ozone, and facility for implementing said method4 Aug 2026US 12,698,220 B2Veolia Water Solutions & Technologies Support
- Ozone-generating apparatus21 Jul 2026US 12,688,990 B2Metawater Co., Ltd.
- Aqueous ozone floor disinfection system30 Jun 2026US 12,667,633 B2BioSure North America LLC
- Recirculating, purifying, disinfecting, cooling, decontaminating, decrystallizing feedback controlled water system for drinking water and other uses to improve health and well being of animals and humans9 Jun 2026US 12,649,678 B2Wet Holdings (Global) Limited
- Process and system for degrading a chemical compound in a liquid stream1 Oct 2026US 2026/0296942 A1Aquasoil S.R.L.
- Modular Water Disinfection System with Integrated UV-C, Ozone, and IoT Monitoring.24 Sep 2026US 2026/0285730 A1
- High-efficiency advanced oxidation process system and method for reducing disinfection by-products in swimming pool water17 Sep 2026US 2026/0274721 A1Tequa-Top Ltd
- Synergistic integrated methods for processing hydrocarbon/organic matter containing water streams17 Sep 2026US 2026/0274728 A1
- Ozone water supply device and ozone water supply method3 Sep 2026US 2026/0257949 A1
Most cited
By later US patents
- Electrochemical production of ozone and hydrogen peroxide465US 5,972,196 ALynntech, Inc. · 1999
- Simplified ozonator for a semiconductor wafer cleaner350US 6,399,022 B1Fairchild Semiconductor Corporation · 2002
- Ozone/ultraviolet water purification111US 4,230,571 A1980
- Membrane with internal passages to permit fluid flow and an electrochemical cell containing the same98US 5,635,039 ALynntech, Inc. · 1997
- Filter retainer for water purification unit96US 5,540,848 AVortex Corporation · 1996