C02F 2201/3222
Units using uv-light emitting diodes [led]
Official title: Units using UV-light emitting diodes [LED]
C02F2201/3222 (Units using uv-light emitting diodes [led]) appears on 413 US grants and 658 published applications in this corpus.
Search patents in C02F- Granted patents
- 413
- Published applications
- 658
- Assignees
- 268
- Inventors
- 1,006
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 6 |
| 2004 | 4 | 2 |
| 2005 | 4 | 13 |
| 2006 | 5 | 6 |
| 2007 | 4 | 7 |
| 2008 | 1 | 7 |
| 2009 | 5 | 8 |
| 2010 | 7 | 11 |
| 2011 | 1 | 12 |
| 2012 | 4 | 9 |
| 2013 | 6 | 16 |
| 2014 | 8 | 13 |
| 2015 | 11 | 22 |
| 2016 | 11 | 27 |
| 2017 | 16 | 33 |
| 2018 | 28 | 41 |
| 2019 | 33 | 59 |
| 2020 | 51 | 77 |
| 2021 | 43 | 69 |
| 2022 | 43 | 58 |
| 2023 | 41 | 39 |
| 2024 | 34 | 49 |
| 2025 | 35 | 45 |
| 2026 | 13 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Apparatus and method for disinfecting fluids29 Sep 2026US 12,747,169 B2Hiigenz LLC
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- Method for eradicating pathogens9 Jun 2026US 12,649,685 B2Schott AG
- Sterilizing device12 May 2026US 12,623,928 B2Seoul Viosys Co., Ltd.
- Sterilizing apparatus8 Oct 2026US 2026/0308021 A1Seoul Visoys Co., Ltd.
- Water filtration assembly and method for electronics assembly24 Sep 2026US 2026/0285706 A1Haier US Appliance Solutions, Inc.
- Water filtration assembly and method for assembly24 Sep 2026US 2026/0285707 A1Haier US Appliance Solutions, Inc.
- Uv-led assembly with pcb substrate integrated into housing24 Sep 2026US 2026/0285711 A1Trojan Technologies Group Ulc
- Water filtration system and method of use24 Sep 2026US 2026/0285731 A1Outreach Corporation
Most cited
By later US patents
- Inductively coupled ballast circuit436US 6,825,620 B2Access Business Group International LLC · 2004
- Inductively powered lamp assembly370US 6,731,071 B2Access Business Group International LLC · 2004
- Inductively powered lamp assembly317US 6,917,163 B2Access Business Group International LLC · 2005
- Inductively powered lamp assembly315US 6,812,645 B2Access Business Group International LLC · 2004
- Method of manufacturing a lamp assembly279US 6,831,417 B2Access Business Group International LLC · 2004