C02F 2307/00
Location of water treatment or water treatment device
C02F2307/00 (Location of water treatment or water treatment device) appears on 1,946 US grants and 2,760 published applications in this corpus.
Search patents in C02F- Granted patents
- 1,946
- Published applications
- 2,760
- Assignees
- 1,142
- Inventors
- 4,483
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 10 | 0 |
| 1989 | 7 | 0 |
| 1990 | 12 | 0 |
| 1991 | 12 | 0 |
| 1992 | 8 | 0 |
| 1993 | 12 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 10 | 0 |
| 1998 | 15 | 0 |
| 1999 | 22 | 0 |
| 2000 | 26 | 0 |
| 2001 | 28 | 6 |
| 2002 | 27 | 35 |
| 2003 | 33 | 43 |
| 2004 | 24 | 38 |
| 2005 | 29 | 62 |
| 2006 | 23 | 56 |
| 2007 | 25 | 42 |
| 2008 | 27 | 41 |
| 2009 | 20 | 52 |
| 2010 | 34 | 64 |
| 2011 | 29 | 65 |
| 2012 | 44 | 73 |
| 2013 | 48 | 88 |
| 2014 | 39 | 116 |
| 2015 | 54 | 139 |
| 2016 | 63 | 164 |
| 2017 | 97 | 178 |
| 2018 | 127 | 186 |
| 2019 | 134 | 179 |
| 2020 | 146 | 200 |
| 2021 | 150 | 171 |
| 2022 | 124 | 176 |
| 2023 | 103 | 160 |
| 2024 | 105 | 170 |
| 2025 | 136 | 138 |
| 2026 | 82 | 118 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C02F 2307/10As part of a potable water dispenserIndexing code467
- C02F 2307/06Mounted on or being part of a faucet, shower handle or showerheadIndexing code414
- C02F 2307/04As part of a pitcher or jugIndexing code367
- C02F 2307/12As part of household appliances such as dishwashers, laundry washing machines orIndexing code315
- C02F 2307/02As part of a bottleIndexing code287
- C02F 2307/14Treatment of water in water supply networksIndexing code158
- C02F 2307/08Treatment of wastewater in the sewerIndexing code126
Recent patents
- Shower system with a filter6 Oct 2026US 12,753,092 B2
- Structure and apparatus for purifying and containing high clarity water used for direct contact recreational purposes6 Oct 2026US 12,753,094 B2Crystal Lagoons Technologies, Inc.
- Nuclear reactor integrated oil and gas production systems and methods of operation6 Oct 2026US 12,753,674 B2Natura Resources LLC
- Water supply system29 Sep 2026US 12,747,170 B2Disco Corporation
- Water filtration assembly and freeze prevention22 Sep 2026US 12,741,885 B2Haier US Appliance Solutions, Inc.
- Self-managed water purifier8 Oct 2026US 2026/0308016 A1Coway Co., Ltd.
- Removal of per- and polyfluoroalkyl substances (pfas) from water with meso- and macro-porous gels8 Oct 2026US 2026/0308019 A1The University of Akron
- Sterilizing apparatus8 Oct 2026US 2026/0308021 A1Seoul Visoys Co., Ltd.
- Middle base for gravity-based water filter8 Oct 2026US 2026/0308023 A1Gopala AG
- Gravity-flow filter assembly1 Oct 2026US 2026/0296921 A1Hydros Bottle, LLC
Most cited
By later US patents
- Combination therapies for B-cell lymphomas comprising administration of anti-CD20 antibody199US 6,455,043 B1IDEC Pharmaceuticals Corporation · 2002
- Personal water filter bottle system161US 6,569,329 B1Innova Pure Water Inc. · 2003
- Electronic monitoring unit for monitoring number of uses of cartridge155US 5,328,597 AThe Clorox Company · 1994
- Water treatment device having means to count times used and limit useage145US 5,190,643 AMr. Coffee, Inc. · 1993
- Elongated hand-held shower head and filter144US 6,537,455 B22003