C02F 2201/3228
Units having reflectors
Official title: Units having reflectors, e.g. coatings, baffles, plates, mirrors
C02F2201/3228 (Units having reflectors) appears on 454 US grants and 567 published applications in this corpus.
Search patents in C02F- Granted patents
- 454
- Published applications
- 567
- Assignees
- 264
- Inventors
- 973
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 0 |
| 2002 | 10 | 8 |
| 2003 | 9 | 14 |
| 2004 | 12 | 13 |
| 2005 | 7 | 26 |
| 2006 | 9 | 16 |
| 2007 | 11 | 12 |
| 2008 | 7 | 14 |
| 2009 | 15 | 13 |
| 2010 | 4 | 16 |
| 2011 | 3 | 16 |
| 2012 | 13 | 13 |
| 2013 | 11 | 12 |
| 2014 | 18 | 14 |
| 2015 | 8 | 19 |
| 2016 | 16 | 31 |
| 2017 | 16 | 24 |
| 2018 | 18 | 35 |
| 2019 | 27 | 48 |
| 2020 | 34 | 43 |
| 2021 | 28 | 38 |
| 2022 | 23 | 40 |
| 2023 | 25 | 27 |
| 2024 | 25 | 34 |
| 2025 | 24 | 29 |
| 2026 | 11 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid sterilization device29 Sep 2026US 12,747,168 B2Toyoda Gosei Co., Ltd.
- Ultraviolet light fluid treatment device23 Jun 2026US 12,662,398 B2Nichia Corporation
- Drinking water dispenser with built-in UV sterilization system23 Jun 2026US 12,662,399 B2Scandinavian Innovation Group Oy
- Sterilizing device12 May 2026US 12,623,928 B2Seoul Viosys Co., Ltd.
- Air treatment apparatus21 Apr 2026US 12,607,372 B2Dyson Technology Limited
- Sterilizing apparatus8 Oct 2026US 2026/0308021 A1Seoul Visoys Co., Ltd.
- Modular Water Disinfection System with Integrated UV-C, Ozone, and IoT Monitoring.24 Sep 2026US 2026/0285730 A1
- Air treatment apparatus30 Jul 2026US 2026/0218925 A1Dyson Technology Limited
- A uv-germicidal irradiation system for germicidal treatment of liquids23 Jul 2026US 2026/0209081 A1Lyras DK ApS
- A space optimized ultra violet germicidal irradiation system23 Jul 2026US 2026/0209082 A1Lyras DK ApS
Most cited
By later US patents
- 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
- Inductively coupled ballast circuit355US 7,385,357 B2Access Business Group International LLC · 2008