C01B 2201/76
Water
C01B2201/76 (Water) appears on 76 US grants and 53 published applications in this corpus.
Search patents in C01B- Granted patents
- 76
- Published applications
- 53
- Assignees
- 46
- Inventors
- 167
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 1 | 2 |
| 2003 | 0 | 3 |
| 2004 | 1 | 3 |
| 2005 | 4 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 2 | 4 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 2 | 2 |
| 2014 | 1 | 5 |
| 2015 | 4 | 2 |
| 2016 | 6 | 4 |
| 2017 | 1 | 3 |
| 2018 | 0 | 1 |
| 2019 | 4 | 4 |
| 2020 | 3 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 3 |
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
- 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
- Combination ultraviolet ray and ozone water sanitizing unit18 Oct 2022US 11,472,727 B2Hayward Industries, Inc.
- Ozone generation with directly cooled plasma16 Feb 2021US 10,919,765 B2Xylem IP Management S.à R.L.
- Segmented and maintainable ozone generator23 Jul 2026US 2026/0208145 A1Xylem Europe GmbH
- Discharge cell for ozone generation and ozone gas generation apparatus25 Jun 2026US 2026/0176139 A1Sumitomo Precision Products Co., Ltd.
- Low frequency ozone generator23 Apr 2026US 2026/0109601 A1Primozone Production AB
- Plate-type ozone generator and system for generating ozone12 Dec 2024US 2024/0414832 A1Arrow Lake AB
- Method for optimizing consumption of the operating resources of ozone generators22 Jun 2023US 2023/0193491 A1ProMinent GmbH
Most cited
By later US patents
- Ozone generating system58US 4,049,552 AOregon Patent Development Company · 1977
- Ozone apparatus48US 4,816,229 AAmerican Ozone Technology · 1989
- Ozone sterilizer45US 5,069,880 A1991
- Ozone generator apparatus and method40US 5,008,087 AAmerican Ozone Systems, Inc. · 1991
- Method and apparatus for generating ozone by corona discharge37US 4,877,588 ATrineos · 1989