C01B 2201/72
By air
Official title: by air
C01B2201/72 (By air) appears on 30 US grants and 24 published applications in this corpus.
Search patents in C01B- Granted patents
- 30
- Published applications
- 24
- Assignees
- 21
- Inventors
- 51
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 3 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 4 | 7 |
| 2021 | 1 | 2 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Ozone treatment for elimination of pathogens17 Oct 2023US 11,785,946 B2WillowPure, LLC
- Ozone sanitizing system and method20 Apr 2021US 10,980,905 B2Sleep 8, Inc.
- 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
- Low frequency ozone generator23 Apr 2026US 2026/0109601 A1Primozone Production AB
- Apparatus For Highly Efficient Cold-Plasma Ozone Production11 Aug 2022US 2022/0250907 A1
- A low frequency ozone generator5 May 2022US 2022/0135405 A1Primozone Production AB
- Ozone sanitizing system and method5 Aug 2021US 2021/0236675 A1Sleep 8, Inc.
Most cited
By later US patents
- Electrically driven high voltage ozonator37US 4,048,668 ASource Gas Analyzers, Inc. · 1977
- Continuous corona discharge ozone generation device36US 5,525,310 A1996
- Ozone generator35US 4,504,446 AOPT Systems · 1985
- Ozone generating device19US 4,859,429 ATechnological Resources Corp. · 1989
- Ozonator with air actuated rotor17US 4,386,055 A1983