C02F 2303/185
The treatment agent being halogen or a halogenated compound
C02F2303/185 (The treatment agent being halogen or a halogenated compound) appears on 324 US grants and 358 published applications in this corpus.
Search patents in C02F- Granted patents
- 324
- Published applications
- 358
- Assignees
- 237
- Inventors
- 710
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 10 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 1 |
| 2002 | 2 | 3 |
| 2003 | 7 | 15 |
| 2004 | 6 | 12 |
| 2005 | 6 | 20 |
| 2006 | 5 | 9 |
| 2007 | 7 | 10 |
| 2008 | 7 | 16 |
| 2009 | 8 | 5 |
| 2010 | 4 | 11 |
| 2011 | 3 | 7 |
| 2012 | 5 | 15 |
| 2013 | 4 | 16 |
| 2014 | 6 | 20 |
| 2015 | 9 | 22 |
| 2016 | 15 | 22 |
| 2017 | 15 | 20 |
| 2018 | 19 | 15 |
| 2019 | 16 | 12 |
| 2020 | 15 | 26 |
| 2021 | 19 | 17 |
| 2022 | 8 | 16 |
| 2023 | 16 | 16 |
| 2024 | 13 | 12 |
| 2025 | 15 | 10 |
| 2026 | 4 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ballast water treatment and neutralization26 May 2026US 12,637,194 B2Evoqua Water Technologies LLC
- Chloramine and chlorine removal material and methods for making the same24 Feb 2026US 12,558,672 B2Calgon Carbon Corporation
- Sludge processing and treatment methods10 Feb 2026US 12,545,611 B2
- Reduction of cyanuric acid in a body of recreational water3 Feb 2026US 12,540,091 B1King Technology, Inc.
- Shelf-stable dechlorinating solutions for water and related methods for use and making thereof28 Oct 2025US 12,454,476 B1Swamp Fox Innovations, LLC
- Systems and methods for removing aqueous disinfectants using zero-valent iron media8 Oct 2026US 2026/0308028 A1Pentair, Inc.
- Water treatment system, pure water production method, and water treatment method1 Oct 2026US 2026/0296933 A1Organo Corporation
- Method and use of a graphene oxide membrane for removing at least a portion of one or more disinfectants from a liquid feed10 Sep 2026US 2026/0264026 A1NewSouth Innovations Pty Limited
- Water preparation for medical use30 Jul 2026US 2026/0217583 A1Gambro Lundia AB
- Sludge processing and treatment methods4 Jun 2026US 2026/0152426 A1
Most cited
By later US patents
- Golf course irrigation water monitoring and treatment system204US 6,620,329 B2Turf Sentry, Inc. · 2003
- System and method for detecting time-bomb malware168US 9,536,091 B2FireEye, Inc. · 2017
- Personal water filter bottle system161US 6,569,329 B1Innova Pure Water Inc. · 2003
- System and method for detecting time-bomb malware153US 10,083,302 B1FireEye, Inc. · 2018
- Self-contained water treatment system152US 5,269,919 A1993