C02F 2201/32
Details relating to uv-irradiation devices
Official title: Details relating to UV-irradiation devices
C02F2201/32 (Details relating to uv-irradiation devices) appears on 1,466 US grants and 1,718 published applications in this corpus.
Search patents in C02F- Granted patents
- 1,466
- Published applications
- 1,718
- Assignees
- 784
- Inventors
- 2,904
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 11 | 0 |
| 1989 | 11 | 0 |
| 1990 | 18 | 0 |
| 1991 | 12 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 16 | 0 |
| 1995 | 21 | 0 |
| 1996 | 25 | 0 |
| 1997 | 17 | 0 |
| 1998 | 14 | 0 |
| 1999 | 26 | 0 |
| 2000 | 25 | 0 |
| 2001 | 36 | 5 |
| 2002 | 31 | 40 |
| 2003 | 48 | 51 |
| 2004 | 39 | 40 |
| 2005 | 27 | 62 |
| 2006 | 35 | 55 |
| 2007 | 27 | 46 |
| 2008 | 28 | 65 |
| 2009 | 32 | 47 |
| 2010 | 41 | 58 |
| 2011 | 28 | 67 |
| 2012 | 31 | 57 |
| 2013 | 45 | 57 |
| 2014 | 58 | 62 |
| 2015 | 45 | 75 |
| 2016 | 43 | 79 |
| 2017 | 48 | 80 |
| 2018 | 53 | 77 |
| 2019 | 66 | 96 |
| 2020 | 84 | 112 |
| 2021 | 72 | 101 |
| 2022 | 62 | 94 |
| 2023 | 60 | 68 |
| 2024 | 56 | 81 |
| 2025 | 67 | 78 |
| 2026 | 30 | 65 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fluid sterilization device29 Sep 2026US 12,747,168 B2Toyoda Gosei Co., Ltd.
- Apparatus and method for disinfecting fluids29 Sep 2026US 12,747,169 B2Hiigenz LLC
- Catalytic oxidation reactor and complete set of equipment22 Sep 2026US 12,741,893 B2Shanghai Municipal Engineering Design Institute (Group) Co., Ltd.
- UV reaction apparatus for treating waste liquid caused by system decontamination in nuclear power plant18 Aug 2026US 12,709,556 B2Korea Hydro & Nuclear Power Co., Ltd.
- Content-filling system and sterilizing method21 Jul 2026US 12,686,604 B2Dai Nippon Printing Co.Ltd.
- Sterilizing apparatus8 Oct 2026US 2026/0308021 A1Seoul Visoys Co., Ltd.
- Methods and systems for continuous pfas destruction1 Oct 2026US 2026/0296928 A1Claros Technologies Inc.
- 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
- UV-emitting phosphor and lamp containing same525US 7,396,491 B2Osram Sylvania Inc. · 2008
- Inductively coupled ballast circuit436US 6,825,620 B2Access Business Group International LLC · 2004
- Water treatment system with an inductively coupled ballast432US 6,436,299 B1Amway Corporation · 2002
- Inductively powered lamp assembly370US 6,731,071 B2Access Business Group International LLC · 2004
- Radio frequency identification system for a fluid treatment system361US 6,673,250 B2Access Business Group International LLC · 2004