C02F 1/4602
For prevention or elimination of deposits
Official title: {for prevention or elimination of deposits}
C02F1/4602 (For prevention or elimination of deposits) appears on 225 US grants and 285 published applications in this corpus.
Search patents in C02F- Granted patents
- 225
- Published applications
- 285
- Assignees
- 173
- Inventors
- 592
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 3 |
| 2003 | 4 | 5 |
| 2004 | 5 | 6 |
| 2005 | 5 | 18 |
| 2006 | 5 | 7 |
| 2007 | 3 | 6 |
| 2008 | 5 | 13 |
| 2009 | 5 | 10 |
| 2010 | 6 | 14 |
| 2011 | 4 | 13 |
| 2012 | 4 | 8 |
| 2013 | 12 | 14 |
| 2014 | 8 | 17 |
| 2015 | 6 | 22 |
| 2016 | 10 | 15 |
| 2017 | 13 | 12 |
| 2018 | 9 | 20 |
| 2019 | 13 | 8 |
| 2020 | 10 | 11 |
| 2021 | 6 | 11 |
| 2022 | 4 | 13 |
| 2023 | 5 | 13 |
| 2024 | 8 | 11 |
| 2025 | 7 | 13 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Soft-water system25 Aug 2026US 12,715,795 B2Kyungdong Navien Co., Ltd.
- Water treatment device18 Aug 2026US 12,709,559 B2LG Electronics Inc.
- Water softening system21 Jul 2026US 12,686,624 B2Kyungdong Navien Co., Ltd.
- Water softening intercalation systems5 May 2026US 12,617,699 B2Robert Bosch GmbH
- Water-using apparatus3 Feb 2026US 12,540,085 B2Mitsubishi Electric Corporation
- Water treatment device and operation method for same28 May 2026US 2026/0145970 A1Panasonic Intellectual Property Management Co., Ltd.
- Zinc ion water treatment device26 Feb 2026US 2026/0055012 A1Jinhaeng Waterway Co., Ltd.
- Water softening device27 Nov 2025US 2025/0361161 A1Panasonic Intellectual Property Management Co., Ltd.
- Dishwasher30 Oct 2025US 2025/0331699 A1Samsung Electronics Co., Ltd.
- Electrolytic system for defouling, structures comprising said system and method for defouling a submerged structure9 Oct 2025US 2025/0313984 A1Titanium Technology S.L.
Most cited
By later US patents
- Method and apparatus for capacitive deionization, electrochemical purification, and regeneration of electrodes157US 5,425,858 AThe Regents of the University of California · 1995
- Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes117US 5,954,937 AThe Regents of the University of California · 1999
- Electrodeionization and ultraviolet light treatment method for purifying water96US 5,116,509 AMillipore Corporation · 1992
- Reversible electrolytic system for softening and dealkalizing water93US 4,671,863 A1987
- Water treatment system and method83US 7,083,733 B2USFilter Corporation · 2006