C02F 2303/04
Disinfection
C02F2303/04 (Disinfection) appears on 3,218 US grants and 4,553 published applications in this corpus.
Search patents in C02F- Granted patents
- 3,218
- Published applications
- 4,553
- Assignees
- 2,270
- Inventors
- 8,107
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 11 | 0 |
| 1978 | 16 | 0 |
| 1979 | 6 | 0 |
| 1980 | 13 | 0 |
| 1981 | 12 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 10 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 13 | 0 |
| 1992 | 6 | 0 |
| 1993 | 12 | 0 |
| 1994 | 15 | 0 |
| 1995 | 26 | 0 |
| 1996 | 15 | 0 |
| 1997 | 24 | 0 |
| 1998 | 26 | 0 |
| 1999 | 44 | 0 |
| 2000 | 43 | 0 |
| 2001 | 40 | 13 |
| 2002 | 47 | 82 |
| 2003 | 71 | 107 |
| 2004 | 63 | 100 |
| 2005 | 52 | 97 |
| 2006 | 52 | 70 |
| 2007 | 46 | 62 |
| 2008 | 44 | 78 |
| 2009 | 41 | 108 |
| 2010 | 56 | 128 |
| 2011 | 71 | 126 |
| 2012 | 42 | 119 |
| 2013 | 75 | 137 |
| 2014 | 76 | 163 |
| 2015 | 94 | 242 |
| 2016 | 108 | 247 |
| 2017 | 151 | 257 |
| 2018 | 167 | 289 |
| 2019 | 197 | 288 |
| 2020 | 231 | 339 |
| 2021 | 246 | 309 |
| 2022 | 214 | 321 |
| 2023 | 193 | 257 |
| 2024 | 197 | 246 |
| 2025 | 186 | 225 |
| 2026 | 111 | 143 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control center box and flexible bathtub6 Oct 2026US 12,751,582 B2Jiaxing Virpol Sanitary Ware co., LTD.
- Water purification system29 Sep 2026US 12,747,167 B2Fermi Forward Discovery Group, LLC
- Apparatus and method for disinfecting fluids29 Sep 2026US 12,747,169 B2Hiigenz LLC
- Systems and methods for desalination of liquids22 Sep 2026US 12,741,888 B2Acquolina Il Mondo, LLC
- Catalytic oxidation reactor and complete set of equipment22 Sep 2026US 12,741,893 B2Shanghai Municipal Engineering Design Institute (Group) Co., Ltd.
- Automated liquid dispensing device8 Oct 2026US 2026/0305569 A1Automated Pet Care Products, LLC d/b/a WHISKER
- Sterilizing apparatus8 Oct 2026US 2026/0308021 A1Seoul Visoys Co., Ltd.
- Fluid sterilization module and dental cleaning device24 Sep 2026US 2026/0283765 A1Xiamen Aihu Dental Technology Co., Ltd.
- Apparatus for heating and disinfecting towels24 Sep 2026US 2026/0284245 A1
- Ultraviolet generator24 Sep 2026US 2026/0284247 A1Evoqua Water Technologies LLC
Most cited
By later US patents
- Electrochemical production of ozone and hydrogen peroxide465US 5,972,196 ALynntech, Inc. · 1999
- Medicament preparation and treatment devices, methods, and systems259US 10,478,544 B2NxStage Medical, Inc. · 2019
- Nanofiber filter media194US 6,872,311 B2Koslow Technologies Corporation · 2005
- Method and system for producing sterile aqueous solutions193US 5,032,265 AMillipore Corporation · 1991
- Personal water filter bottle system161US 6,569,329 B1Innova Pure Water Inc. · 2003