- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 3/58 - Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with solidsRegeneration of used solids including a catalytic reaction
Patent holdings for IPC class C01B 3/58
Total number of patents in this class: 217
10-year publication summary
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14
|
14
|
13
|
10
|
7
|
9
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11
|
11
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11
|
12
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThermoChem Recovery International, Inc. | 97 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
9 |
| Casale SA | 638 |
7 |
| Linde GmbH | 1386 |
7 |
| Johnson Matthey Public Limited Company | 1766 |
6 |
| Renaissance Energy Research Corporation | 62 |
6 |
| Shell Internationale Research Maatschappij B.V. | 3378 |
5 |
| Topsoe A/S | 1080 |
5 |
| Korea University Research and Business Foundation | 3314 |
4 |
| Lummus Technology Inc. | 284 |
4 |
| Entegris, Inc. | 2035 |
3 |
| Johnson Matthey Davy Technologies Limited | 540 |
3 |
| National University Corporation Gunma University | 298 |
3 |
| Nisshinbo Holdings Inc. | 377 |
3 |
| Saudi Arabian Oil Company | 14398 |
3 |
| Haldor Topsøe A/S | 629 |
3 |
| Sure Champion Investment Limited | 50 |
3 |
| BASF SE | 21334 |
2 |
| Kao Corporation | 5112 |
2 |
| Korea Institute of Science and Technology | 2267 |
2 |
| Other owners | 126 |