C02F 1/76
With halogens or compounds of halogens
Official title: with halogens or compounds of halogens {(C02F1/4674 takes precedence)}
C02F1/76 (With halogens or compounds of halogens) appears on 2,065 US grants and 2,010 published applications in this corpus.
Search patents in C02F- Granted patents
- 2,065
- Published applications
- 2,010
- Assignees
- 1,115
- Inventors
- 3,953
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 22 | 0 |
| 1978 | 18 | 0 |
| 1979 | 11 | 0 |
| 1980 | 27 | 0 |
| 1981 | 24 | 0 |
| 1982 | 15 | 0 |
| 1983 | 14 | 0 |
| 1984 | 11 | 0 |
| 1985 | 13 | 0 |
| 1986 | 13 | 0 |
| 1987 | 16 | 0 |
| 1988 | 12 | 0 |
| 1989 | 28 | 0 |
| 1990 | 27 | 0 |
| 1991 | 39 | 0 |
| 1992 | 33 | 0 |
| 1993 | 28 | 0 |
| 1994 | 28 | 0 |
| 1995 | 49 | 0 |
| 1996 | 36 | 0 |
| 1997 | 24 | 0 |
| 1998 | 27 | 0 |
| 1999 | 41 | 0 |
| 2000 | 46 | 0 |
| 2001 | 50 | 16 |
| 2002 | 47 | 62 |
| 2003 | 49 | 61 |
| 2004 | 36 | 68 |
| 2005 | 44 | 82 |
| 2006 | 58 | 70 |
| 2007 | 42 | 80 |
| 2008 | 43 | 88 |
| 2009 | 48 | 82 |
| 2010 | 60 | 100 |
| 2011 | 52 | 65 |
| 2012 | 34 | 70 |
| 2013 | 62 | 87 |
| 2014 | 54 | 105 |
| 2015 | 60 | 83 |
| 2016 | 55 | 88 |
| 2017 | 61 | 78 |
| 2018 | 70 | 81 |
| 2019 | 70 | 100 |
| 2020 | 81 | 93 |
| 2021 | 86 | 89 |
| 2022 | 69 | 86 |
| 2023 | 63 | 79 |
| 2024 | 55 | 74 |
| 2025 | 61 | 62 |
| 2026 | 34 | 61 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Water treatment apparatus and water treatment method6 Oct 2026US 12,753,097 B2Organo Corporation
- Water treatment method and water treatment agent composition8 Sep 2026US 12,728,390 B2Organo Corporation
- 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
- Satchel dispenser with an isolated dispersant chamber11 Aug 2026US 12,703,651 B2King Technology, Inc.
- Carwash and wastewater regeneration system4 Aug 2026US 12,698,226 B2ShockWater CarWash Systems, LLC
- Systems and methods for removing aqueous disinfectants using zero-valent iron media8 Oct 2026US 2026/0308028 A1Pentair, Inc.
- Water treatment method and water treatment device8 Oct 2026US 2026/0308029 A1Organo Corporation
- Water treatment system, pure water production method, and water treatment method1 Oct 2026US 2026/0296933 A1Organo Corporation
- Water treatment apparatus and water treatment method24 Sep 2026US 2026/0285720 A1Organo Corporation
- Method for adsorbing iodine17 Sep 2026US 2026/0274712 A1Mitsubishi Gas Chemical Company, Inc.
Most cited
By later US patents
- Methods and systems for improved dosing of a chemical treatment, such as chlorine dioxide, into a fluid stream, such as a wastewater stream595US 6,949,196 B2Fkos, LLC · 2005
- Nanofiber filter media194US 6,872,311 B2Koslow Technologies Corporation · 2005
- System and method for detecting time-bomb malware168US 9,536,091 B2FireEye, Inc. · 2017
- System and method for detecting time-bomb malware153US 10,083,302 B1FireEye, Inc. · 2018
- Generation of chlorine dioxide for disinfection and sterilization148US 4,104,190 AMinnesota Mining and Manufacturing Company · 1978