C02F 2201/4615
Time
C02F2201/4615 (Time) appears on 233 US grants and 180 published applications in this corpus.
Search patents in C02F- Granted patents
- 233
- Published applications
- 180
- Assignees
- 169
- Inventors
- 542
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 13 | 2 |
| 2002 | 11 | 8 |
| 2003 | 8 | 8 |
| 2004 | 6 | 6 |
| 2005 | 3 | 5 |
| 2006 | 2 | 8 |
| 2007 | 3 | 3 |
| 2008 | 3 | 9 |
| 2009 | 2 | 9 |
| 2010 | 3 | 5 |
| 2011 | 3 | 5 |
| 2012 | 5 | 6 |
| 2013 | 6 | 11 |
| 2014 | 4 | 5 |
| 2015 | 4 | 9 |
| 2016 | 2 | 5 |
| 2017 | 4 | 7 |
| 2018 | 6 | 6 |
| 2019 | 8 | 6 |
| 2020 | 1 | 5 |
| 2021 | 4 | 10 |
| 2022 | 7 | 13 |
| 2023 | 4 | 11 |
| 2024 | 5 | 10 |
| 2025 | 9 | 5 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated faucet for copper release1 Sep 2026US 12,722,990 B2Kohler India Corporation Private Limited
- Water treatment device18 Aug 2026US 12,709,559 B2LG Electronics Inc.
- Electrolytic biocide-generating unit with enhanced scale prevention21 Apr 2026US 12,606,465 B2ElectroSea, LLC
- Hydrogen water dispenser for refrigerator appliances17 Feb 2026US 12,552,692 B2Haier US Appliance Solutions, Inc.
- Method and system for controlling salt chlorine generation and salt chlorine generator30 Dec 2025US 12,509,372 B1Qi Automotive Co., Ltd.
- Durable leeft-metal configuration for water disinfection28 May 2026US 2026/0145972 A1Georgia Tech Research Corporation
- Capacitive deionization device and method for controlling capacitive deionization device21 May 2026US 2026/0138898 A1Samsung Electronics Co., Ltd.
- Device for preparing quantum nanocomponent ionic water7 May 2026US 2026/0125296 A1
- Apparatus for the electro-chemical treatment of water contaminated with emerging contaminants6 Nov 2025US 2025/0341006 A1E2Metrix Canada Inc.
- Effective water ozonation through an invertible ozonation cap attachable to a vessel indicating treatment status14 Aug 2025US 2025/0256992 A1Roving Blue, Inc.
Most cited
By later US patents
- Water treatment system for swimming pools and potable water151US 4,752,401 ASafe Water Systems International, Inc. · 1988
- Chlorination and pH control system112US 4,767,511 A1988
- Planar, flow-through, electric, double-layer capacitor and a method of treating liquids with the capacitor93US 5,538,611 AMarc D. Andelman · 1996
- Microbubbles of oxygen83US 6,689,262 B2Aqua Innovation, Inc. · 2004
- Method and apparatus for automatic adjustment of halogen production in a water treatment system82US 5,985,155 AAutopilot Systems, Inc. · 1999