C01B 2201/70
Cooling of the discharger
Official title: Cooling of the discharger; Means for making cooling unnecessary
C01B2201/70 (Cooling of the discharger) appears on 171 US grants and 106 published applications in this corpus.
Search patents in C01B- Granted patents
- 171
- Published applications
- 106
- Assignees
- 102
- Inventors
- 318
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 4 |
| 2002 | 2 | 4 |
| 2003 | 4 | 5 |
| 2004 | 1 | 7 |
| 2005 | 4 | 2 |
| 2006 | 4 | 4 |
| 2007 | 1 | 4 |
| 2008 | 1 | 3 |
| 2009 | 3 | 5 |
| 2010 | 3 | 4 |
| 2011 | 2 | 2 |
| 2012 | 1 | 5 |
| 2013 | 3 | 3 |
| 2014 | 2 | 7 |
| 2015 | 9 | 6 |
| 2016 | 8 | 4 |
| 2017 | 3 | 5 |
| 2018 | 4 | 5 |
| 2019 | 5 | 4 |
| 2020 | 7 | 8 |
| 2021 | 3 | 3 |
| 2022 | 1 | 3 |
| 2023 | 2 | 1 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ozoniser and method for producing ozone from oxygen19 May 2026US 12,630,423 B2ProMinent GmbH
- Plate-type ozone generator and system for generating ozone2 Dec 2025US 12,490,369 B2Arrow Lake AB
- Low frequency ozone generator24 Jun 2025US 12,338,122 B2Primozone Production AB
- Apparatus for highly efficient cold-plasma ozone production9 Jan 2024US 11,866,326 B2
- Ozone generator with heat pipe cooling2 Jan 2024US 11,858,810 B2Xylem Europe GmbH
- An ozone generator comprising cooling means for generating ozone, a method for generating ozone from an oxygen rich gas and use of the generator1 Oct 2026US 2026/0296886 A1Water Aps
- Segmented and maintainable ozone generator23 Jul 2026US 2026/0208145 A1Xylem Europe GmbH
- Gas generation device16 Jul 2026US 2026/0200732 A1Ebara Corporation
- Ozone generator2 Jul 2026US 2026/0184566 A1Faraday Ozone Products Private Limited
- Discharge cell for ozone generation and ozone gas generation apparatus25 Jun 2026US 2026/0176139 A1Sumitomo Precision Products Co., Ltd.
Most cited
By later US patents
- Ozone generator with a generally spherical corona chamber84US 5,578,280 AAmerical Environmental Technologies, Inc. · 1996
- Method for producing an ozone gas and apparatus for producing the same59US 4,614,573 A1986
- Ozone generating system58US 4,049,552 AOregon Patent Development Company · 1977
- Ozone generator and method of producing ozone55US 6,193,852 B1The BOC Group, Inc. · 2001
- Ozone and other reactive gas generator cell and system49US 5,637,279 AApplied Science and Technology, Inc. · 1997