C01B 2201/90
Control of the process
C01B2201/90 (Control of the process) appears on 124 US grants and 138 published applications in this corpus.
Search patents in C01B- Granted patents
- 124
- Published applications
- 138
- Assignees
- 92
- Inventors
- 255
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 11 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 5 |
| 2004 | 2 | 4 |
| 2005 | 2 | 2 |
| 2006 | 1 | 3 |
| 2007 | 0 | 4 |
| 2008 | 4 | 2 |
| 2009 | 2 | 3 |
| 2010 | 1 | 4 |
| 2011 | 2 | 6 |
| 2012 | 2 | 5 |
| 2013 | 3 | 6 |
| 2014 | 1 | 8 |
| 2015 | 9 | 5 |
| 2016 | 9 | 10 |
| 2017 | 1 | 6 |
| 2018 | 5 | 6 |
| 2019 | 6 | 10 |
| 2020 | 9 | 12 |
| 2021 | 8 | 6 |
| 2022 | 8 | 8 |
| 2023 | 6 | 6 |
| 2024 | 4 | 3 |
| 2025 | 2 | 4 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for optimizing consumption of the operating resources of ozone generators8 Sep 2026US 12,729,450 B2ProMinent GmbH
- Method and system of controlling a cohort of ozone gas generating devices2 Jun 2026US 12,642,879 B2
- Ozone generating apparatus28 Apr 2026US 12,612,308 B2Sumitomo Precision Products Co., Ltd.
- Method and system for ozone generation24 Feb 2026US 12,559,370 B2
- Device and method for generating a dielectric barrier discharge20 Jan 2026US 12,532,402 B2TDK Electronics Co., Ltd.
- Ozone-Based DUV Laser Power Attenuation24 Sep 2026US 2026/0291161 A1KLA Corporation
- Ozone supply apparatus and ozone supply method13 Aug 2026US 2026/0233151 A1Mitsubishi Electric Corporation
- Segmented and maintainable ozone generator23 Jul 2026US 2026/0208145 A1Xylem Europe GmbH
- Utilizing an oxygen availability model to dynamically control an oxygen utilizing system16 Jul 2026US 2026/0200731 A1
- Ozone generator2 Jul 2026US 2026/0184566 A1Faraday Ozone Products Private Limited
Most cited
By later US patents
- Ozone production facilities and method of their operation47US 6,277,248 B1Fuji Electric Co., Ltd. · 2001
- Method and apparatus for efficient surface generation of pure O347US 6,372,097 B1Chen Laboratories · 2002
- Ozone sterilizer45US 5,069,880 A1991
- Plate-type ozonizer36US 5,435,978 ASumitomo Precision Products Co., Ltd. · 1995
- Method and apparatus for treating airborne residues35US 5,573,730 A1996