A61L 9/20
Ultraviolet radiation
A61L9/20 (Ultraviolet radiation) appears on 1,810 US grants and 3,063 published applications in this corpus.
Search patents in A61L- Granted patents
- 1,810
- Published applications
- 3,063
- Assignees
- 1,213
- Inventors
- 4,817
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 3 |
| 2002 | 11 | 18 |
| 2003 | 22 | 55 |
| 2004 | 25 | 60 |
| 2005 | 22 | 62 |
| 2006 | 14 | 56 |
| 2007 | 15 | 47 |
| 2008 | 24 | 50 |
| 2009 | 16 | 51 |
| 2010 | 29 | 63 |
| 2011 | 25 | 43 |
| 2012 | 22 | 57 |
| 2013 | 37 | 41 |
| 2014 | 44 | 64 |
| 2015 | 41 | 79 |
| 2016 | 61 | 74 |
| 2017 | 58 | 96 |
| 2018 | 65 | 113 |
| 2019 | 84 | 114 |
| 2020 | 90 | 132 |
| 2021 | 125 | 338 |
| 2022 | 150 | 544 |
| 2023 | 188 | 385 |
| 2024 | 224 | 260 |
| 2025 | 218 | 168 |
| 2026 | 126 | 90 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method of disinfection6 Oct 2026US 12,752,033 B2UV Partners, Inc.
- Cable rack systems and related methods6 Oct 2026US 12,752,034 B2Airocide Systems, LLC
- Air sanitization6 Oct 2026US 12,752,035 B2Singletto Inc.
- Apparatus and method for disinfecting fluids29 Sep 2026US 12,747,169 B2Hiigenz LLC
- Humidifier29 Sep 2026US 12,747,879 B2LG Electronics Inc.
- Luminaire and methodologies for combined visible illumination and deactivation of bacteria8 Oct 2026US 2026/0306695 A1ABL IP Holding LLC
- Medical services kiosk1 Oct 2026US 2026/0301938 A1OnMed LLC
- Ultraviolet generator24 Sep 2026US 2026/0284247 A1Evoqua Water Technologies LLC
- Protective mask17 Sep 2026US 2026/0272078 A1Intellisafe LLC
- Photocatalytic gate especially for air and surface disinfection3 Sep 2026US 2026/0256976 A1
Most cited
By later US patents
- Disinfecting articles with ozone235US 10,842,897 B2éClair Medical Systems, Inc. · 2020
- Air purification system185US 5,997,619 ANQ Environmental, Inc. · 1999
- Air purifier177US 6,494,940 B1Hamilton Beach/Proctor-Silex, Inc. · 2002
- System and method for providing multi-functional lighting using high-efficiency lighting elements in an environment138US 7,824,065 B2Lighting Science Group Corporation · 2010
- Titanium dioxide photo-catalyzer130US 5,919,422 AToyoda Gosei Co., Ltd. · 1999