C02F 1/465
By electroflotation
Official title: by electroflotation
C02F1/465 (By electroflotation) appears on 162 US grants and 112 published applications in this corpus.
Search patents in C02F- Granted patents
- 162
- Published applications
- 112
- Assignees
- 111
- Inventors
- 307
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 4 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 4 | 5 |
| 2004 | 0 | 4 |
| 2005 | 4 | 2 |
| 2006 | 2 | 1 |
| 2007 | 2 | 6 |
| 2008 | 2 | 3 |
| 2009 | 0 | 3 |
| 2010 | 3 | 2 |
| 2011 | 2 | 4 |
| 2012 | 5 | 6 |
| 2013 | 4 | 7 |
| 2014 | 4 | 4 |
| 2015 | 3 | 8 |
| 2016 | 3 | 4 |
| 2017 | 2 | 6 |
| 2018 | 5 | 8 |
| 2019 | 3 | 10 |
| 2020 | 5 | 6 |
| 2021 | 7 | 5 |
| 2022 | 4 | 5 |
| 2023 | 4 | 3 |
| 2024 | 6 | 5 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Point-of-care electroflotation of dispersed, low tolerance pathogens13 May 2025US 12,296,349 B2University of Hawaii
- Apparatuses and methods for treating, purifying and/or extracting from wastewater20 Aug 2024US 12,065,364 B2FisherH2O, LLC
- Process control systems and methods for simultaneous crude oil dehydration, desalting, sweetening, and stabilization13 Aug 2024US 12,060,530 B2Saudi Arabian Oil Company
- Method for purification of water and water purification system6 Aug 2024US 12,054,413 B2Blue Safety GmbH
- Electrosorptive cavitation devices and methods for phase separation25 Jun 2024US 12,017,155 B2National Research Council of Canada
- Electrochemical foam fractionation and oxidation to concentrate and mineralize perfluoroalkyl substances25 Sep 2025US 2025/0296860 A1Evoqua Water Technologies LLC
- Water purification by cavitation1 May 2025US 2025/0136475 A1Ion Source, LLC
- Apparatuses and methods for treating, purifying and/or extracting from wastewater13 Feb 2025US 2025/0051193 A1FisherH2O, LLC
- Water purification system24 Oct 2024US 2024/0351932 A1Blue Safety Hygienetechnologie GmbH
- Method for the treatment of black water13 Jun 2024US 2024/0190745 A1Noah Water Solutions BV
Most cited
By later US patents
- Water and wastewater treatment system and process for contaminant removal68US 6,346,197 B1McKay Creek Technologies, Ltd. · 2002
- System for electrocatalytic treatment of waste water streams55US 4,179,347 AOmnipure, Inc. · 1979
- Apparatus and method for removing pollutants from wastewater46US 3,959,131 ASwift & Company · 1976
- Vortex coagulation means and method for wastewater clarification46US 4,031,006 ASwift & Company · 1977
- Method and apparatus for removing impurities from liquids41US 4,623,436 AShowakoki Co., Ltd. · 1986