C02F 1/583
By removing fluoride or fluorine compounds
Official title: {by removing fluoride or fluorine compounds}
C02F1/583 (By removing fluoride or fluorine compounds) appears on 79 US grants and 64 published applications in this corpus.
Search patents in C02F- Granted patents
- 79
- Published applications
- 64
- Assignees
- 70
- Inventors
- 232
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 3 | 2 |
| 2020 | 0 | 5 |
| 2021 | 2 | 2 |
| 2022 | 6 | 5 |
| 2023 | 3 | 11 |
| 2024 | 6 | 8 |
| 2025 | 3 | 14 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- PFAS treatment process for liquid effluent24 Mar 2026US 12,583,764 B2Suez International
- Systems and methods for degrading per- and poly-fluoroalkyl substances13 Jan 2026US 12,522,521 B2Haley & Aldrich, Inc.
- Contaminant-sequestering coatings and methods of using the same5 Aug 2025US 12,378,138 B2The Johns Hopkins University
- Composition and method for capture and degradation of PFAS3 Jun 2025US 12,319,594 B2Battelle Memorial Institute
- Systems and methods of removing per- and polyfluoroalkyl substances (PFAS) with calcium oxide11 Mar 2025US 12,246,974 B2Noblis, Inc.
- Method and Apparatus to Separate Per-and Polyfluoroalkyl Substances (PFAS) from Water Using Colloidal Gas Aphrons (CGAs)9 Jul 2026US 2026/0193114 A1Aphron Technologies, LLC
- System and method for pfas-contaminated water treatment19 Mar 2026US 2026/0078030 A1Lacks Enterprises, Inc.
- Systems and methods for degrading per- and poly-fluoroalkyl substances5 Feb 2026US 2026/0035270 A1Haley & Aldrich, Inc.
- High Protein Organic Materials as Fuel and Processes for Making the Same9 Oct 2025US 2025/0313497 A1Akbev Group, LLC
- Systems and methods of removing per- and polyfluoroalkyl substances (pfas) with calcium oxide11 Sep 2025US 2025/0282660 A1Noblis, Inc.
Most cited
By later US patents
- Method of treating fluoride-containing water61US 5,043,072 AKurita Water Industries Ltd. · 1991
- Process and apparatus for high flow and low pressure impurity removal51US 6,428,705 B1Microbar Incorporated · 2002
- Method for waste water treatment using calcium carbonate mineral and microorganisms in combination44US 5,580,458 ASharp Kabushiki Kaisha · 1996
- Removal of fluorinated surfactants from waste water40US 7,018,541 B23M Innovative Properties Company · 2006
- Separation and purification of fluoride from industrial wastes37US 5,876,685 AIPEC Clean, Inc. · 1999