- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds 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: 414
10-year publication summary
23
|
28
|
36
|
21
|
12
|
20
|
23
|
34
|
37
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Johnson Matthey Public Limited Company | 1852 |
31 |
Topsoe A/S | 732 |
21 |
Shell Internationale Research Maatschappij B.V. | 3792 |
16 |
ExxonMobil Research And Engineering Company | 2830 |
14 |
Clariant International Ltd. | 978 |
11 |
Haldor Topsøe A/S | 698 |
9 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
8 |
Petroleo Brasileiro S.A. - Petrobras | 730 |
7 |
Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2362 |
6 |
SABIC Global Technologies B.V. | 4044 |
6 |
Shell USA, Inc. | 1074 |
6 |
Air Products and Chemicals, Inc. | 1448 |
5 |
Freeslate, Inc. | 10 |
5 |
IFP Energies Nouvelles | 2717 |
5 |
Korea Institute of Energy Research | 803 |
5 |
Renaissance Energy Research Corporation | 60 |
5 |
BASF SE | 19740 |
4 |
Uop LLC | 4083 |
4 |
Saudi Basic Industries Corporation | 625 |
4 |
Arkema France | 3790 |
4 |
Other owners | 238 |