C02F 2201/784
Diffusers or nozzles for ozonation
C02F2201/784 (Diffusers or nozzles for ozonation) appears on 157 US grants and 218 published applications in this corpus.
Search patents in C02F- Granted patents
- 157
- Published applications
- 218
- Assignees
- 115
- Inventors
- 345
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 1 | 5 |
| 2004 | 5 | 14 |
| 2005 | 7 | 13 |
| 2006 | 4 | 9 |
| 2007 | 2 | 5 |
| 2008 | 3 | 7 |
| 2009 | 4 | 12 |
| 2010 | 8 | 9 |
| 2011 | 3 | 11 |
| 2012 | 7 | 8 |
| 2013 | 7 | 5 |
| 2014 | 9 | 7 |
| 2015 | 7 | 10 |
| 2016 | 7 | 3 |
| 2017 | 7 | 14 |
| 2018 | 8 | 10 |
| 2019 | 5 | 14 |
| 2020 | 11 | 12 |
| 2021 | 9 | 18 |
| 2022 | 15 | 8 |
| 2023 | 8 | 4 |
| 2024 | 4 | 9 |
| 2025 | 5 | 6 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Gas-liquid mixer27 Jan 2026US 12,533,642 B2
- Method for mixing gas-free liquid oxidant with process liquid27 May 2025US 12,312,264 B2American Air Liquide, Inc.
- Effective and/or safe ozonation of water in a tank through evolved gas control15 Apr 2025US 12,275,659 B2Roving Blue, Inc.
- Gas solution supply device1 Apr 2025US 12,263,452 B2Ebara Corporation
- Process and system for degrading a chemical compound in a liquid stream1 Oct 2026US 2026/0296942 A1Aquasoil S.R.L.
- System and method for water treatment and soil remediation using high-pressure and high concentration dissolved ozone23 Apr 2026US 2026/0108925 A1American Air Liquide, Inc.
- Ozone solution system with mixing apparatus3 Jul 2025US 2025/0214002 A1Liquid 03, LLC
- Carbon sequestration systems in conjunction with oil and gas operations26 Jun 2025US 2025/0206643 A1
- Process for deoiling water and effluent, uses of an electromagnetic treatment subprocess and/or a microbubble generation subprocess for ozone dissolution, and methods relative to said uses29 May 2025US 2025/0171337 A1
Most cited
By later US patents
- Ozone/ultraviolet water purification111US 4,230,571 A1980
- Filter retainer for water purification unit96US 5,540,848 AVortex Corporation · 1996
- Water ozonation mixing and degassing system70US 7,022,225 B1Del Industries, Inc. · 2006
- Water treatment system combining ozone injection and monitoring apparatuses61US 6,685,825 B1Senno Technology Inc. · 2004
- Sanitization system and system components60US 7,767,168 B2Tersano Inc. · 2010