- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 3/16 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide using catalysts
Patent holdings for IPC class C01B 3/16
Total number of patents in this class: 476
10-year publication summary
|
36
|
21
|
12
|
20
|
24
|
34
|
38
|
51
|
24
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Topsoe A/S | 1059 |
29 |
| Johnson Matthey Public Limited Company | 1763 |
23 |
| Shell Internationale Research Maatschappij B.V. | 3394 |
22 |
| Johnson Matthey Davy Technologies Limited | 529 |
19 |
| ExxonMobil Research And Engineering Company | 2400 |
13 |
| Clariant International Ltd. | 892 |
11 |
| Shell USA, Inc. | 1341 |
11 |
| Haldor Topsøe A/S | 636 |
9 |
| Mitsubishi Heavy Industries, Ltd. | 9168 |
8 |
| BASF SE | 21306 |
7 |
| IFP Energies Nouvelles | 3104 |
7 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2445 |
7 |
| Petroleo Brasileiro S.A. - Petrobras | 973 |
7 |
| SABIC Global Technologies B.V. | 4611 |
6 |
| Saudi Arabian Oil Company | 14305 |
6 |
| Technip Energies France | 338 |
6 |
| Air Products and Chemicals, Inc. | 1469 |
5 |
| Arkema France | 4251 |
5 |
| Korea Institute of Energy Research | 902 |
5 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4122 |
5 |
| Other owners | 265 |