C02F 2201/3223
Single elongated lamp located on the central axis of a turbular reactor
C02F2201/3223 (Single elongated lamp located on the central axis of a turbular reactor) appears on 299 US grants and 263 published applications in this corpus.
Search patents in C02F- Granted patents
- 299
- Published applications
- 263
- Assignees
- 211
- Inventors
- 632
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 11 | 0 |
| 2000 | 12 | 0 |
| 2001 | 15 | 1 |
| 2002 | 10 | 14 |
| 2003 | 15 | 15 |
| 2004 | 11 | 7 |
| 2005 | 8 | 5 |
| 2006 | 3 | 14 |
| 2007 | 5 | 18 |
| 2008 | 4 | 8 |
| 2009 | 5 | 10 |
| 2010 | 12 | 12 |
| 2011 | 9 | 13 |
| 2012 | 4 | 17 |
| 2013 | 11 | 11 |
| 2014 | 13 | 9 |
| 2015 | 9 | 9 |
| 2016 | 8 | 9 |
| 2017 | 7 | 14 |
| 2018 | 6 | 12 |
| 2019 | 9 | 13 |
| 2020 | 9 | 14 |
| 2021 | 11 | 7 |
| 2022 | 7 | 6 |
| 2023 | 4 | 5 |
| 2024 | 6 | 8 |
| 2025 | 3 | 7 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalytic oxidation reactor and complete set of equipment22 Sep 2026US 12,741,893 B2Shanghai Municipal Engineering Design Institute (Group) Co., Ltd.
- Device for decontaminating a turbid liquid4 Mar 2025US 12,239,154 B2Biosafelight
- Cleaning arrangement for a liquid treatment system4 Mar 2025US 12,240,769 B2Wallenius Water Innovation AB
- Spiral photoreactor21 Jan 2025US 12,201,957 B2Peschl Ultraviolet GmbH
- UV radiation source assembly31 Dec 2024US 12,183,569 B2Trojan Technologies Group Ulc
- Ultraviolet generator24 Sep 2026US 2026/0284247 A1Evoqua Water Technologies LLC
- Water filtration assembly and methods of assembling the same23 Jul 2026US 2026/0209080 A1Haier US Appliance Solutions, Inc.
- Water purifier and split-type uv sterilization module18 Jun 2026US 2026/0167526 A1Jiangsu Kingclean Intelligent Appliance Co., Ltd.
- Fluid sterilization device14 May 2026US 2026/0132057 A1Toyoda Gosei Co., Ltd.
- Device for TOC Reduction in Ultrapure Water9 Apr 2026US 2026/0097973 A1Ovivo Inc.
Most cited
By later US patents
- Fluid purification154US 4,892,712 ANutech Energy Systems Inc. · 1990
- Apparatus for water treatment136US 4,971,687 A1990
- Water purification unit127US 5,266,215 A1993
- Method of an apparatus for sterilizing aqueous media, more particularly drinking water122US 4,857,204 A1989
- Ozone/ultraviolet water purifier114US 4,141,830 AOntario Research Foundation · 1979