C02F 1/725
By catalytic oxidation
Official title: {by catalytic oxidation}
C02F1/725 (By catalytic oxidation) appears on 1,220 US grants and 1,274 published applications in this corpus.
Search patents in C02F- Granted patents
- 1,220
- Published applications
- 1,274
- Assignees
- 896
- Inventors
- 3,472
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 9 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 10 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 9 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 21 | 0 |
| 1992 | 19 | 0 |
| 1993 | 22 | 0 |
| 1994 | 27 | 0 |
| 1995 | 20 | 0 |
| 1996 | 22 | 0 |
| 1997 | 21 | 0 |
| 1998 | 22 | 0 |
| 1999 | 13 | 0 |
| 2000 | 22 | 0 |
| 2001 | 27 | 10 |
| 2002 | 24 | 27 |
| 2003 | 33 | 37 |
| 2004 | 23 | 19 |
| 2005 | 17 | 40 |
| 2006 | 15 | 37 |
| 2007 | 14 | 32 |
| 2008 | 14 | 31 |
| 2009 | 22 | 33 |
| 2010 | 21 | 47 |
| 2011 | 22 | 42 |
| 2012 | 11 | 45 |
| 2013 | 31 | 54 |
| 2014 | 29 | 54 |
| 2015 | 34 | 55 |
| 2016 | 28 | 56 |
| 2017 | 47 | 62 |
| 2018 | 47 | 55 |
| 2019 | 54 | 78 |
| 2020 | 70 | 86 |
| 2021 | 77 | 71 |
| 2022 | 44 | 54 |
| 2023 | 58 | 81 |
| 2024 | 58 | 60 |
| 2025 | 65 | 60 |
| 2026 | 33 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalytic oxidation reactor and complete set of equipment22 Sep 2026US 12,741,893 B2Shanghai Municipal Engineering Design Institute (Group) Co., Ltd.
- Water treatment and purification method25 Aug 2026US 12,715,781 B2Imam Abdulrahman Bin Faisal University
- Anoxic bioreactor treatment followed by pH adjusted peroxide/iron treatment for enhanced, efficient selenium removal in wastewaters25 Aug 2026US 12,715,802 B2Evoqua Water Technologies LLC
- Synthesis of nanophotocatalyst for sewage water treatment4 Aug 2026US 12,698,224 B2King Saud University
- Bismuth/bismuth titanate heterojunction hollow nanospheres and method for preparing the same and application thereof28 Jul 2026US 12,691,437 B2Qilu University of Technology Shandong Academy
- Method for degradation of pfas based on sonocatalysis1 Oct 2026US 2026/0296932 A1Schlumberger Technology Corporation
- Process and system for degrading a chemical compound in a liquid stream1 Oct 2026US 2026/0296942 A1Aquasoil S.R.L.
- Water treatment device and water treatment method24 Sep 2026US 2026/0285718 A1Organo Corporation
- Process for the degradation of per- and polyfluorinated substances (pfas) using catalytic ozonolysis17 Sep 2026US 2026/0274720 A1The Board of Trustees of The University of Alabama
- Energy-saving disinfection- and oxidation system for water treatment10 Sep 2026US 2026/0265094 A1Mercaform Holding GmbH
Most cited
By later US patents
- Electrochemical synthesis of hydrogen peroxide366US 6,712,949 B2The Electrosynthesis Company, Inc. · 2004
- Fire retardant intumescent coating for lignocellulosic materials158US 5,968,669 AJ. M. Huber Corporation · 1999
- Gas-solid photocatalytic oxidation of environmental pollutants131US 5,045,288 AArizona Board of Regents, a body corporate acting on behalf of Arizona State University · 1991
- Titanium dioxide photo-catalyzer130US 5,919,422 AToyoda Gosei Co., Ltd. · 1999
- Catalytic process for degradation of organic materials in aqueous and organic fluids to produce environmentally compatible products125US 4,861,484 ASynlize, Inc. · 1989