C02F 1/505
By oligodynamic treatment
Official title: {by oligodynamic treatment}
C02F1/505 (By oligodynamic treatment) appears on 532 US grants and 592 published applications in this corpus.
Search patents in C02F- Granted patents
- 532
- Published applications
- 592
- Assignees
- 351
- Inventors
- 1,128
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 9 | 0 |
| 1991 | 10 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 11 | 0 |
| 2000 | 10 | 0 |
| 2001 | 16 | 4 |
| 2002 | 11 | 15 |
| 2003 | 18 | 22 |
| 2004 | 5 | 23 |
| 2005 | 13 | 38 |
| 2006 | 21 | 26 |
| 2007 | 16 | 37 |
| 2008 | 22 | 32 |
| 2009 | 19 | 20 |
| 2010 | 13 | 33 |
| 2011 | 17 | 29 |
| 2012 | 8 | 17 |
| 2013 | 19 | 22 |
| 2014 | 10 | 33 |
| 2015 | 10 | 20 |
| 2016 | 11 | 31 |
| 2017 | 17 | 19 |
| 2018 | 28 | 28 |
| 2019 | 13 | 25 |
| 2020 | 25 | 32 |
| 2021 | 24 | 22 |
| 2022 | 11 | 14 |
| 2023 | 15 | 22 |
| 2024 | 6 | 16 |
| 2025 | 13 | 5 |
| 2026 | 9 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Satchel dispenser with an isolated dispersant chamber11 Aug 2026US 12,703,651 B2King Technology, Inc.
- Plumbing system and method for purifying drinking water16 Jun 2026US 12,655,047 B2BWT Holding GmbH
- Activated ferrate compositions and methods26 May 2026US 12,635,693 B2The Texas A&M University System
- Water treatment system and method for use with an environmental chamber or an incubator26 May 2026US 12,637,364 B2Caron Products and Services, Inc.
- Field-deployable antimicrobial product assemblies for air and water purification and methods of fabrication of the same28 Apr 2026US 12,610,954 B2Kavach Nanotechnologies Inc.
- Field-deployable antimicrobial product assemblies for air and water purification and treatment27 Aug 2026US 2026/0248137 A1Kavach Nanotechnologies Inc.
- Floating antialgal-agent-loaded sodium alginate hydrogel spheres, preparation method therefor and use thereof2 Jul 2026US 2026/0182564 A1Sichuan Qinghe Technology Co., Ltd.
- Devices, systems, and processes for water collection and filtration18 Jun 2026US 2026/0167363 A1Fremen Space, Inc.
- Device for distributing mineralized water and associated method11 Jun 2026US 2026/0159429 A177 Vision Way Ltd
- Methods of reducing microorganism growth, infectivity, and/or survival in water via nano-galvanic aluminum powder9 Apr 2026US 2026/0097977 A1The Board of Trustees of The University of Alabama
Most cited
By later US patents
- Self-contained water treatment system152US 5,269,919 A1993
- Microporous filter media, filtration systems containing same, and methods of making and using143US 6,835,311 B2Koslow Technologies Corporation · 2004
- Counter top reverse osmosis water purification system125US 6,099,735 A2000
- Antibiotic zeolite114US 4,938,958 AShinagawa Fuel Co., Ltd. · 1990
- Method and apparatus for filtration with plural ultraviolet treatment stages112US 5,236,595 AInternational Environmental Systems, Inc., USA · 1993