- All sections
- C - Chemistry; metallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metals; apparatus therefor
- C25B 1/23 - Carbon monoxide or syngas
Patent holdings for IPC class C25B 1/23
Total number of patents in this class: 373
10-year publication summary
4
|
0
|
5
|
4
|
2
|
6
|
39
|
101
|
123
|
39
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Topsoe A/S | 732 |
28 |
Toshiba Corporation | 12017 |
18 |
Utility Global, Inc. | 73 |
15 |
Twelve Benefit Corporation | 111 |
15 |
The Governing Council of The University of Toronto, | 1361 |
12 |
Siemens Energy Global GmbH & Co. KG | 2775 |
12 |
Idemitsu Kosan Co., Ltd. | 3995 |
9 |
Linde GmbH | 1122 |
9 |
Totalenergies Onetech | 536 |
9 |
Nippon Telegraph and Telephone Corporation | 14195 |
8 |
Saudi Arabian Oil Company | 11322 |
7 |
LanzaTech, Inc. | 305 |
7 |
NGK Insulators, Ltd. | 4589 |
6 |
The University of British Columbia | 1432 |
6 |
Centre National de La Recherche Scientifique | 9632 |
5 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
5 |
Chiyoda Corporation | 363 |
5 |
Osaka Gas Co., Ltd. | 312 |
5 |
Sekisui Chemical Co., Ltd. | 3159 |
5 |
Toshiba Energy Systems & Solutions Corp. | 954 |
5 |
Other owners | 182 |