- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 13/11 - Preparation of ozone by electric discharge
Patent holdings for IPC class C01B 13/11
Total number of patents in this class: 488
10-year publication summary
|
46
|
54
|
60
|
60
|
36
|
31
|
50
|
38
|
23
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45946 |
37 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 995 |
18 |
| Sumitomo Precision Products Co., Ltd. | 299 |
17 |
| Biosecurity Technology, LLC | 40 |
16 |
| TMEIC Corporation | 768 |
15 |
| Toshiba Corporation | 12317 |
11 |
| Murata Manufacturing Co., Ltd. | 24444 |
10 |
| Xylem IP Management S.a.r.l. | 34 |
10 |
| Xylem Europe GmbH | 214 |
10 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6271 |
10 |
| Brairtech Sweden AB | 12 |
10 |
| Toshiba Infrastructure Systems & Solutions Corporation | 1057 |
9 |
| AquaStar Pool Products, Inc. | 81 |
8 |
| Suez Groupe | 171 |
8 |
| Metawater Co., Ltd. | 194 |
7 |
| MKS Instruments, Inc. | 661 |
7 |
| Xylem IP Management S.A R.L. | 70 |
6 |
| Cleancore Solutions, Inc. | 12 |
6 |
| Panasonic Corporation | 20142 |
5 |
| Evoqua Water Technologies LLC | 914 |
5 |
| Other owners | 263 |