- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 1/23 - Carbon monoxide or syngas
Patent holdings for IPC class C25B 1/23
Total number of patents in this class: 689
10-year publication summary
|
0
|
0
|
0
|
1
|
4
|
32
|
88
|
117
|
169
|
110
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Twelve Benefit Corporation | 155 |
39 |
| Topsoe A/S | 909 |
39 |
| Utility Global, Inc. | 101 |
32 |
| Toshiba Corporation | 12472 |
24 |
| NGK Insulators, Ltd. | 5016 |
17 |
| The Governing Council of The University of Toronto, | 1482 |
16 |
| Idemitsu Kosan Co., Ltd. | 4223 |
15 |
| Siemens Energy Global GmbH & Co. KG | 3011 |
15 |
| Totalenergies Onetech | 1359 |
15 |
| Nippon Telegraph and Telephone Corporation | 17371 |
14 |
| Toshiba Energy Systems & Solutions Corp. | 1086 |
12 |
| Chiyoda Corporation | 398 |
10 |
| Sekisui Chemical Co., Ltd. | 3441 |
10 |
| Centre National de La Recherche Scientifique | 10516 |
9 |
| The University of British Columbia | 1508 |
9 |
| LG Chem, Ltd. | 17644 |
8 |
| AVL List GmbH | 1300 |
8 |
| King Fahd University of Petroleum and Minerals | 1266 |
8 |
| Saudi Arabian Oil Company | 13349 |
8 |
| Linde GmbH | 1260 |
8 |
| Other owners | 373 |