- All sections
- C - Chemistry; metallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metals; apparatus therefor
- C25B 1/13 - Ozone
Patent holdings for IPC class C25B 1/13
Total number of patents in this class: 221
10-year publication summary
10
|
24
|
18
|
22
|
22
|
14
|
26
|
19
|
16
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
19 |
Yantai United Ozonetec Corporation | 15 |
9 |
Guangzhou Deposon Electric Technology Co., Ltd. | 11 |
8 |
Advanced Diamond Technologies, Inc. | 12 |
6 |
Delta Faucet Company | 2725 |
6 |
NorthStar Medical Radioisotopes LLC | 19 |
6 |
Enozo Technologies, Inc. | 21 |
6 |
Edac Labs, Inc. | 14 |
6 |
Industrie de Nora S.p.A. | 274 |
5 |
NorthStar Medical Technologies, LLC | 20 |
5 |
ROSELAND Holdings Limited | 11 |
5 |
Vapor Technologies, Inc. | 63 |
4 |
de Nora Permelec Ltd | 152 |
4 |
Paino Inc. | 10 |
4 |
Colgate-Palmolive Company | 5325 |
3 |
Central Japan Railway Company | 127 |
3 |
Chlorine Engineers Corp., Ltd. | 26 |
3 |
Condias GmbH | 22 |
3 |
DENTSPLY SIRONA Inc. | 1860 |
3 |
Electrolytic Ozone Inc. | 6 |
3 |
Other owners | 110 |