C02F 2209/23
O3
C02F2209/23 (O3) appears on 118 US grants and 200 published applications in this corpus.
Search patents in C02F- Granted patents
- 118
- Published applications
- 200
- Assignees
- 115
- Inventors
- 371
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 3 |
| 2004 | 3 | 4 |
| 2005 | 0 | 12 |
| 2006 | 3 | 3 |
| 2007 | 2 | 2 |
| 2008 | 0 | 7 |
| 2009 | 1 | 4 |
| 2010 | 1 | 6 |
| 2011 | 2 | 13 |
| 2012 | 1 | 4 |
| 2013 | 4 | 14 |
| 2014 | 8 | 10 |
| 2015 | 5 | 9 |
| 2016 | 9 | 5 |
| 2017 | 7 | 9 |
| 2018 | 5 | 12 |
| 2019 | 6 | 10 |
| 2020 | 8 | 8 |
| 2021 | 1 | 13 |
| 2022 | 14 | 18 |
| 2023 | 7 | 12 |
| 2024 | 6 | 10 |
| 2025 | 7 | 9 |
| 2026 | 12 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for wastewater treatment control through microorganism settling optimization6 Oct 2026US 12,753,099 B1
- Ultrasonic scaler having an ozonated water system8 Sep 2026US 12,729,141 B2DENTSPLY SIRONA Inc.
- Amperometric sensor with bubble shedding clip16 Jun 2026US 12,656,292 B2Rosemount Inc.
- 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
- Ozone disinfection system with replaceable water cartridge26 May 2026US 12,636,396 B2BioSure North America LLC
- Ozone faucet including a gas mitigation fan16 Jul 2026US 2026/0200773 A1Delta Faucet Company
- Systems and methods for providing dynamic water quality determination of a water system2 Jul 2026US 2026/0185976 A1Mettler-Toledo Thornton, Inc.
- Ozone disinfection system with replaceable water cartridge11 Dec 2025US 2025/0375549 A1BioSure North America LLC
- Aqua-ozone hygienization30 Oct 2025US 2025/0332306 A1Biotek Environmental Science Ltd
- Hygienization generator for integrated aqueous ozone and alkaline water production30 Oct 2025US 2025/0332307 A1BioSure North America LLC
Most cited
By later US patents
- Ballast water treatment49US 6,125,778 A2000
- Ozone sensor and method for use of same in water purification system47US 6,280,633 B1Fantom Technologies Inc. · 2001
- Method and apparatus for water treatment40US 5,766,488 AUnited States Filter Corporation · 1998
- Method and device for washing electronic parts member, or the like27US 6,290,777 B1Alps Electric Co., Ltd. · 2001
- Ozone shower device27US 9,486,817 B2Delta Faucet Company · 2016