C02F 2201/322
Lamp arrangement
C02F2201/322 (Lamp arrangement) appears on 1,247 US grants and 1,481 published applications in this corpus.
Search patents in C02F- Granted patents
- 1,247
- Published applications
- 1,481
- Assignees
- 694
- Inventors
- 2,524
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 9 | 0 |
| 1989 | 10 | 0 |
| 1990 | 17 | 0 |
| 1991 | 10 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 12 | 0 |
| 1995 | 19 | 0 |
| 1996 | 20 | 0 |
| 1997 | 15 | 0 |
| 1998 | 11 | 0 |
| 1999 | 20 | 0 |
| 2000 | 22 | 0 |
| 2001 | 30 | 2 |
| 2002 | 28 | 32 |
| 2003 | 41 | 40 |
| 2004 | 31 | 32 |
| 2005 | 22 | 50 |
| 2006 | 27 | 47 |
| 2007 | 22 | 45 |
| 2008 | 23 | 46 |
| 2009 | 28 | 40 |
| 2010 | 33 | 48 |
| 2011 | 22 | 57 |
| 2012 | 26 | 53 |
| 2013 | 39 | 53 |
| 2014 | 49 | 50 |
| 2015 | 39 | 62 |
| 2016 | 36 | 65 |
| 2017 | 39 | 70 |
| 2018 | 44 | 65 |
| 2019 | 62 | 92 |
| 2020 | 72 | 105 |
| 2021 | 67 | 94 |
| 2022 | 56 | 82 |
| 2023 | 56 | 60 |
| 2024 | 52 | 69 |
| 2025 | 52 | 72 |
| 2026 | 24 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C02F 2201/3227Units with two or more lampsIndexing code483
- C02F 2201/3228Units having reflectorsIndexing code454
- C02F 2201/3222Units using uv-light emitting diodes [led]Indexing code413
- C02F 2201/3223Single elongated lamp located on the central axis of a turbular reactorIndexing code299
- C02F 2201/3221Lamps suspended above a water surface or pipeIndexing code119
- C02F 2201/3225Lamps immersed in an open channel, containing the liquid to be treatedIndexing code85
- C02F 2201/3226Units using uv-light emitting lasersIndexing code61
- C02F 2201/3224Units using uv-light guiding optical fibersIndexing code43
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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
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