C01B 2201/14
Concentric/tubular dischargers
C01B2201/14 (Concentric/tubular dischargers) appears on 183 US grants and 133 published applications in this corpus.
Search patents in C01B- Granted patents
- 183
- Published applications
- 133
- Assignees
- 112
- Inventors
- 321
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 12 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 4 |
| 2002 | 7 | 19 |
| 2003 | 5 | 7 |
| 2004 | 3 | 6 |
| 2005 | 0 | 7 |
| 2006 | 1 | 7 |
| 2007 | 2 | 6 |
| 2008 | 5 | 9 |
| 2009 | 5 | 7 |
| 2010 | 6 | 6 |
| 2011 | 3 | 4 |
| 2012 | 4 | 4 |
| 2013 | 4 | 3 |
| 2014 | 4 | 2 |
| 2015 | 5 | 10 |
| 2016 | 5 | 3 |
| 2017 | 4 | 5 |
| 2018 | 4 | 1 |
| 2019 | 2 | 5 |
| 2020 | 4 | 4 |
| 2021 | 4 | 4 |
| 2022 | 6 | 3 |
| 2023 | 2 | 0 |
| 2024 | 5 | 3 |
| 2025 | 1 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low temperature micro plasma ozone generating device21 Jan 2025US 12,201,756 B2Cast Co., Ltd.
- Ozone injector device31 Dec 2024US 12,180,102 B2
- Long-life discharge tube for ozone generator27 Feb 2024US 11,912,570 B2Sun Hydraulics (China) Co., Ltd.
- Ozone injector device20 Feb 2024US 11,905,191 B1Aquastar Pool Products, Inc.
- Apparatus for highly efficient cold-plasma ozone production9 Jan 2024US 11,866,326 B2
- Segmented and maintainable ozone generator23 Jul 2026US 2026/0208145 A1Xylem Europe GmbH
- 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.
- System for controlling production of ozone for an internal combustion engine28 Aug 2025US 2025/0270973 A1Oxitron Technologies, LLC
- Ozone-generating apparatus and movement-inhibiting method7 Nov 2024US 2024/0367972 A1Metawater Co., Ltd.
Most cited
By later US patents
- Modular ozone water treatment apparatus and associated method78US 5,427,693 AO'Three Limited · 1995
- Ozone generator68US 5,911,957 A1999
- Ozone generator67US 6,270,733 B12001
- Sanitization system and system components60US 7,767,168 B2Tersano Inc. · 2010
- Method for producing an ozone gas and apparatus for producing the same59US 4,614,573 A1986