- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 3/00 - HydrogenGaseous mixtures containing hydrogenSeparation of hydrogen from mixtures containing itPurification of hydrogen
Patent holdings for IPC class C01B 3/00
Total number of patents in this class: 1471
10-year publication summary
|
72
|
99
|
92
|
82
|
87
|
107
|
108
|
130
|
113
|
65
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hydrogenious Lohc Technologies GmbH | 60 |
31 |
| Panasonic Intellectual Property Management Co., Ltd. | 31330 |
24 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10923 |
24 |
| Saudi Arabian Oil Company | 13091 |
19 |
| Arkema France | 4104 |
16 |
| Hyundai Motor Company | 21960 |
15 |
| Clean Planet Inc. | 72 |
15 |
| Centre National de La Recherche Scientifique | 10421 |
14 |
| Chevron U.S.A. Inc. | 3953 |
13 |
| Air Products and Chemicals, Inc. | 1423 |
13 |
| Hydrogenious Technologies GmbH | 19 |
13 |
| GKN Sinter Metals Engineering GmbH | 114 |
12 |
| Hysilabs, SAS | 24 |
12 |
| Hitachi, Ltd. | 15476 |
11 |
| Uop LLC | 4244 |
10 |
| Brilliant Light Power, Inc. | 63 |
10 |
| Hydro-Quebec | 651 |
10 |
| Praxair Technology, Inc. | 1299 |
10 |
| Mitsubishi Heavy Industries, Ltd. | 8712 |
9 |
| Korea Advanced Institute of Science and Technology | 4372 |
9 |
| Other owners | 1181 |