C01B 2201/34
Composition of the dielectrics
C01B2201/34 (Composition of the dielectrics) appears on 88 US grants and 46 published applications in this corpus.
Search patents in C01B- Granted patents
- 88
- Published applications
- 46
- Assignees
- 63
- Inventors
- 167
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 4 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 2 | 3 |
| 2009 | 0 | 3 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 0 |
| 2014 | 3 | 0 |
| 2015 | 3 | 3 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 2 | 3 |
| 2019 | 4 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 5 |
| 2022 | 2 | 3 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
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
- Long-life discharge tube for ozone generator27 Feb 2024US 11,912,570 B2Sun Hydraulics (China) Co., Ltd.
- Apparatus for highly efficient cold-plasma ozone production9 Jan 2024US 11,866,326 B2
- Ozone injector device31 May 2022US 11,345,623 B1Aquastar Pool Products, Inc.
- Plate-type ozone generator and system for generating ozone12 Dec 2024US 2024/0414832 A1Arrow Lake AB
- Ozoniser and method for producing ozone from oxygen24 Nov 2022US 2022/0371889 A1ProMinent GmbH
- Apparatus For Highly Efficient Cold-Plasma Ozone Production11 Aug 2022US 2022/0250907 A1
- Long-life discharge tube for ozone generator30 Jun 2022US 2022/0204343 A1Sun Hydraulics (China) Co., Ltd.
- Engine exhaust gas ozone purification system and method30 Dec 2021US 2021/0402352 A1Shanghai Bixiufu Enterprise Management Co., Ltd.
Most cited
By later US patents
- Ozone generator58US 5,316,741 AZontec Inc. · 1994
- Device for producing ozone52US 4,656,010 AMesser Griesheim GmbH · 1987
- Apparatus and method of producing ozone51US 4,417,966 AInnovatron Krauss & Co. · 1983
- Ozone and other reactive gas generator cell and system49US 5,637,279 AApplied Science and Technology, Inc. · 1997
- Method and apparatus for producing ozone by corona discharge44US 5,516,493 A1996