C02F 3/1289
Aeration by saturation under super-atmospheric pressure
Official title: {Aeration by saturation under super-atmospheric pressure}
C02F3/1289 (Aeration by saturation under super-atmospheric pressure) appears on 42 US grants and 14 published applications in this corpus.
Search patents in C02F- Granted patents
- 42
- Published applications
- 14
- Assignees
- 21
- Inventors
- 54
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 4 |
| 2023 | 5 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for leachate biodegradation through aquatic microorganism digestion6 Oct 2026US 12,753,098 B1
- High-flow, high-pressure inline saturator system and method thereof31 Dec 2024US 12,179,159 B2GIS Gas Infusion Systems Inc.
- Oxygen infusion module for wastewater treatment11 Jun 2024US 12,006,239 B2Prosper Technologies, LLC
- Systems of gas infusion for wastewater treatment24 Oct 2023US 11,795,081 B2Prosper Technologies, LLC
- Systems of gas infusion for wastewater treatment11 Jul 2023US 11,697,606 B2Prosper Technologies, LLC
- Oxygen infusion module for wastewater treatment24 Apr 2025US 2025/0128973 A1Prosper Technologies, LLC
- Method and system for wastewater reclamation14 Nov 2024US 2024/0375984 A1
- High-flow, high-pressure inline saturator system and method thereof10 Aug 2023US 2023/0249140 A1GIS Gas Infusion Systems Inc.
- Oxygen infusion module for wastewater treatment10 Nov 2022US 2022/0355256 A1Prosper Technologies, LLC
- Systems of gas infusion for wastewater treatment10 Nov 2022US 2022/0356093 A1Prosper Technologies, LLC
Most cited
By later US patents
- Method and system for enriching oxygen content of water78US 4,664,680 AATEC Inc. · 1987
- Treatment of liquid69US 4,163,712 ABOC Limited · 1979
- High pressure oxygen-saturated water treatment apparatus50US 4,956,080 AMicrolift Systems, Incorporated · 1990
- Gas absorber33US 4,317,731 AFMC Corporation · 1982
- Process and apparatus for the biological treatment of waste water30US 4,192,742 ADegremont · 1980