C02F 1/78
With ozone
Official title: with ozone {(C02F1/4672 takes precedence)}
C02F1/78 (With ozone) appears on 2,204 US grants and 2,199 published applications in this corpus.
Search patents in C02F- Granted patents
- 2,204
- Published applications
- 2,199
- Assignees
- 1,353
- Inventors
- 4,457
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 20 | 0 |
| 1978 | 12 | 0 |
| 1979 | 11 | 0 |
| 1980 | 12 | 0 |
| 1981 | 11 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 13 | 0 |
| 1987 | 15 | 0 |
| 1988 | 17 | 0 |
| 1989 | 21 | 0 |
| 1990 | 19 | 0 |
| 1991 | 25 | 0 |
| 1992 | 36 | 0 |
| 1993 | 40 | 0 |
| 1994 | 29 | 0 |
| 1995 | 44 | 0 |
| 1996 | 47 | 0 |
| 1997 | 37 | 0 |
| 1998 | 47 | 0 |
| 1999 | 50 | 0 |
| 2000 | 72 | 0 |
| 2001 | 71 | 17 |
| 2002 | 86 | 85 |
| 2003 | 69 | 99 |
| 2004 | 59 | 77 |
| 2005 | 52 | 87 |
| 2006 | 50 | 120 |
| 2007 | 50 | 54 |
| 2008 | 48 | 77 |
| 2009 | 39 | 85 |
| 2010 | 51 | 72 |
| 2011 | 51 | 83 |
| 2012 | 38 | 82 |
| 2013 | 56 | 91 |
| 2014 | 56 | 92 |
| 2015 | 52 | 94 |
| 2016 | 69 | 80 |
| 2017 | 58 | 97 |
| 2018 | 62 | 101 |
| 2019 | 75 | 95 |
| 2020 | 89 | 95 |
| 2021 | 79 | 112 |
| 2022 | 94 | 105 |
| 2023 | 66 | 76 |
| 2024 | 62 | 75 |
| 2025 | 65 | 88 |
| 2026 | 44 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ultrasonic scaler having an ozonated water system8 Sep 2026US 12,729,141 B2DENTSPLY SIRONA Inc.
- Hydrodynamic cavitation system for the removal of unwanted, toxic, or contaminated organic and inorganic compounds25 Aug 2026US 12,715,788 B28215 Technology, Inc.
- Anoxic bioreactor treatment followed by pH adjusted peroxide/iron treatment for enhanced, efficient selenium removal in wastewaters25 Aug 2026US 12,715,802 B2Evoqua Water Technologies LLC
- Bathing control system25 Aug 2026US 12,719,243 B2Safety Tubs Company, LLC
- 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
- Water treatment apparatus and water treatment method8 Oct 2026US 2026/0308036 A1Meidensha Corporation
- Process and system for degrading a chemical compound in a liquid stream1 Oct 2026US 2026/0296942 A1Aquasoil S.R.L.
- Water oxidation system24 Sep 2026US 2026/0285721 A1Oxidian Labs, LLC
- Modular Water Disinfection System with Integrated UV-C, Ozone, and IoT Monitoring.24 Sep 2026US 2026/0285730 A1
- Measurement device, measurement method, measurement program, and water treatment system17 Sep 2026US 2026/0274714 A1Yokogawa Electric Corporation
Most cited
By later US patents
- Electrochemical production of ozone and hydrogen peroxide465US 5,972,196 ALynntech, Inc. · 1999
- Apparatus and method of purifying water with ozone370US 6,673,248 B2S C Trade & Consult AB · 2004
- Simplified ozonator for a semiconductor wafer cleaner350US 6,399,022 B1Fairchild Semiconductor Corporation · 2002
- Installation for making water potable with submerged filtering membranes156US 5,607,593 AOTV Omnium De Trajtements et de Valorisation S.A. · 1997
- Water treatment system for swimming pools and potable water151US 4,752,401 ASafe Water Systems International, Inc. · 1988