C02F 2201/005
Valves
C02F2201/005 (Valves) appears on 780 US grants and 1,241 published applications in this corpus.
Search patents in C02F- Granted patents
- 780
- Published applications
- 1,241
- Assignees
- 646
- Inventors
- 2,557
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 3 |
| 2009 | 1 | 2 |
| 2010 | 3 | 2 |
| 2011 | 1 | 10 |
| 2012 | 1 | 17 |
| 2013 | 8 | 18 |
| 2014 | 3 | 29 |
| 2015 | 14 | 23 |
| 2016 | 22 | 45 |
| 2017 | 23 | 62 |
| 2018 | 39 | 70 |
| 2019 | 57 | 82 |
| 2020 | 70 | 85 |
| 2021 | 68 | 111 |
| 2022 | 89 | 138 |
| 2023 | 90 | 137 |
| 2024 | 93 | 133 |
| 2025 | 113 | 122 |
| 2026 | 81 | 147 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Device for influent distribution and thickened sludge fermentation to enhance MSBR system6 Oct 2026US 12,753,100 B2Corstar Environmental Equipment Shanghai Ltd
- Electrochemical nitrogen and phosphorus removal device and method29 Sep 2026US 12,747,176 B2Beijing Drainage Group Co., Ltd
- Water quality measurement system and water quality measurement method22 Sep 2026US 12,741,889 B2Nomura Micro Science Co., Ltd.
- Automatic shutoff valve for a water filter assembly15 Sep 2026US 12,734,468 B2Haier US Appliance Solutions, Inc.
- Equipment and method for removing a supernatant phase from a body of water in a polluted groundwater8 Oct 2026US 2026/0307123 A1ENI S. p. A.
- Systems, Methods, and Apparatuses for Producing and Packaging Medical Fluids8 Oct 2026US 2026/0307835 A1
- Self-managed water purifier8 Oct 2026US 2026/0308016 A1Coway Co., Ltd.
- Apparatus and method for waste-water reduction in laboratory water purification system8 Oct 2026US 2026/0308022 A1Thermo Orion Inc.
- Integrated Ocean Alkalinity Enhancement And Seawater Desalination8 Oct 2026US 2026/0308037 A1Ebb Carbon, Inc.
Most cited
By later US patents
- Water filter72US 4,515,692 AWater Soft, Inc. · 1985
- Ocean depth reverse osmosis fresh water factory49US 5,229,005 A1993
- Combination membrane/biolytic filtration44US 7,708,887 B2Siemens Water Technologies Corp. · 2010
- Charge barrier flow-through capacitor35US 6,709,560 B2Biosource, Inc. · 2004
- Reverse osmosis filtration systems35US 7,601,256 B2Next-RO, Inc. · 2009