C01B 2201/20
Electrodes used for obtaining electrical discharge
C01B2201/20 (Electrodes used for obtaining electrical discharge) appears on 303 US grants and 260 published applications in this corpus.
Search patents in C01B- Granted patents
- 303
- Published applications
- 260
- Assignees
- 190
- Inventors
- 545
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 9 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 12 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 11 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 6 |
| 2002 | 14 | 32 |
| 2003 | 6 | 18 |
| 2004 | 13 | 22 |
| 2005 | 12 | 10 |
| 2006 | 4 | 14 |
| 2007 | 5 | 6 |
| 2008 | 3 | 10 |
| 2009 | 7 | 11 |
| 2010 | 10 | 8 |
| 2011 | 6 | 8 |
| 2012 | 4 | 7 |
| 2013 | 7 | 6 |
| 2014 | 9 | 6 |
| 2015 | 7 | 10 |
| 2016 | 10 | 12 |
| 2017 | 4 | 7 |
| 2018 | 7 | 13 |
| 2019 | 12 | 13 |
| 2020 | 10 | 7 |
| 2021 | 6 | 10 |
| 2022 | 5 | 9 |
| 2023 | 2 | 2 |
| 2024 | 5 | 5 |
| 2025 | 6 | 3 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ozone-generating apparatus21 Jul 2026US 12,688,990 B2Metawater Co., Ltd.
- 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
- Plate-type ozone generator and system for generating ozone2 Dec 2025US 12,490,369 B2Arrow Lake AB
- Ozone generating electrode, method of manufacturing same, and method of producing ozone using same19 Aug 2025US 12,391,584 B2Postech Research and Business Development Foundation
- 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.
- Low frequency ozone generator23 Apr 2026US 2026/0109601 A1Primozone Production AB
Most cited
By later US patents
- Electro-kinetic air transporter-conditioner122US 6,176,977 B1Sharper Image Corporation · 2001
- Unit for processing numeric and logic operations for use in central processing units (cpus), multiprocessor systems, data-flow processors (dsps), systolic processors and field programmable gate arrays (epgas)113US 6,425,068 B1PACT GmbH · 2002
- Electrode self-cleaning mechanism for electro-kinetic air transporter-conditioner devices102US 6,350,417 B1Sharper Image Corporation · 2002
- Runtime configurable arithmetic and logic cell91US 7,565,525 B2Pact Xpp Technologies AG · 2009
- Runtime configurable arithmetic and logic cell86US 6,728,871 B1Pact Xpp Technologies AG · 2004