C02F 2201/3226
Units using uv-light emitting lasers
Official title: Units using UV-light emitting lasers
C02F2201/3226 (Units using uv-light emitting lasers) appears on 61 US grants and 86 published applications in this corpus.
Search patents in C02F- Granted patents
- 61
- Published applications
- 86
- Assignees
- 33
- Inventors
- 130
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 3 |
| 2007 | 2 | 4 |
| 2008 | 2 | 5 |
| 2009 | 0 | 3 |
| 2010 | 2 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 6 |
| 2014 | 2 | 2 |
| 2015 | 3 | 4 |
| 2016 | 1 | 2 |
| 2017 | 1 | 3 |
| 2018 | 3 | 5 |
| 2019 | 7 | 4 |
| 2020 | 7 | 9 |
| 2021 | 5 | 4 |
| 2022 | 1 | 3 |
| 2023 | 4 | 3 |
| 2024 | 3 | 4 |
| 2025 | 5 | 7 |
| 2026 | 0 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Semiconductor light-emitting device, and water disinfection device19 Aug 2025US 12,394,955 B2Stanley Electric Co., Ltd.
- Water treatment device15 Jul 2025US 12,358,816 B2
- Systems and methods for disinfection3 Jun 2025US 12,318,498 B2P Tech, LLC
- Fluid system with integrated disinfecting optics25 Mar 2025US 12,257,373 B2
- Laser ablation and filtration apparatus and process for removal of hydrocarbons and contaminants11 Feb 2025US 12,221,362 B2
- Water preparation for medical use30 Jul 2026US 2026/0217583 A1Gambro Lundia AB
- Systems and methods for disinfection23 Jul 2026US 2026/0207801 A1P Tech, LLC
- Systems and methods for disinfection23 Jul 2026US 2026/0207802 A1P Tech, LLC
- Systems and methods for disinfection25 Jun 2026US 2026/0174917 A1P Tech, LLC
- Systems and methods for disinfection4 Jun 2026US 2026/0151524 A1P Tech, LLC
Most cited
By later US patents
- UV-emitting phosphor and lamp containing same525US 7,396,491 B2Osram Sylvania Inc. · 2008
- Disinfection and purification of fluids using focused laser radiation102US 4,265,747 ASterling Drug Inc. · 1981
- Ultraviolet radiation/oxidant fluid decontamination apparatus94US 5,120,450 A1992
- Method for disinfecting liquids and gases and devices for use thereof74US 6,468,433 B12002
- Medium treatment using ultraviolet light68US 8,980,178 B2Sensor Electronic Technology, Inc. · 2015