C01B 2201/64
Oxygen
C01B2201/64 (Oxygen) appears on 113 US grants and 135 published applications in this corpus.
Search patents in C01B- Granted patents
- 113
- Published applications
- 135
- Assignees
- 70
- Inventors
- 252
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 2 | 5 |
| 2006 | 0 | 3 |
| 2007 | 2 | 4 |
| 2008 | 3 | 6 |
| 2009 | 3 | 8 |
| 2010 | 3 | 8 |
| 2011 | 4 | 8 |
| 2012 | 5 | 9 |
| 2013 | 7 | 13 |
| 2014 | 7 | 9 |
| 2015 | 16 | 7 |
| 2016 | 10 | 6 |
| 2017 | 4 | 8 |
| 2018 | 4 | 5 |
| 2019 | 6 | 10 |
| 2020 | 8 | 5 |
| 2021 | 6 | 6 |
| 2022 | 3 | 4 |
| 2023 | 2 | 2 |
| 2024 | 3 | 0 |
| 2025 | 1 | 1 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ozoniser and method for producing ozone from oxygen19 May 2026US 12,630,423 B2ProMinent GmbH
- Ozone generator and ozone generating method6 Jan 2026US 12,515,951 B2Industrial Technology Research Institute
- Low frequency ozone generator24 Jun 2025US 12,338,122 B2Primozone Production AB
- Ozone generator for generating ozone, a method for generating ozone from an oxygen rich gas and use of the generator22 Oct 2024US 12,122,670 B2Water Aps
- Apparatus for highly efficient cold-plasma ozone production9 Jan 2024US 11,866,326 B2
- 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
- Combination carbon monoxide and nitrogen dioxide scrubber treatment and process17 Sep 2026US 2026/0273461 A1
- Gas generation device16 Jul 2026US 2026/0200732 A1Ebara Corporation
- Discharge cell for ozone generation and ozone gas generation apparatus25 Jun 2026US 2026/0176139 A1Sumitomo Precision Products Co., Ltd.
- Active oxygen treatment device, treatment method using active oxygen, and ozone ufb-containing liquid producing device25 Jun 2026US 2026/0176178 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Systems and methods for thin-film deposition of metal oxides using excited nitrogen—oxygen species549US 8,883,270 B2ASM America, Inc. · 2014
- Systems and methods for thin-film deposition of metal oxides using excited nitrogen-oxygen species543US 8,802,201 B2ASM America, Inc. · 2014
- Ozonated liquid dispensing unit49US 9,174,845 B2Food Safety Technology, LLC · 2015
- Ozone sterilizer45US 5,069,880 A1991
- Method and apparatus for producing ozone by corona discharge44US 5,516,493 A1996