- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/50 - Carbon dioxide
Patent holdings for IPC class C01B 32/50
Total number of patents in this class: 1104
10-year publication summary
26
|
60
|
108
|
91
|
88
|
119
|
139
|
183
|
188
|
83
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Heavy Industries, Ltd. | 8616 |
59 |
Saudi Arabian Oil Company | 12808 |
25 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3911 |
22 |
Mitsubishi Heavy Industries Engineering, Ltd. | 196 |
18 |
Uop LLC | 4208 |
14 |
Denso Corporation | 24069 |
13 |
NGK Insulators, Ltd. | 4900 |
13 |
8 Rivers Capital, LLC | 249 |
13 |
IHI Corporation | 3402 |
12 |
Iogen Corporation | 143 |
11 |
The Kansai Electric Power Co., Inc. | 136 |
10 |
Carbon Holdings Intellectual Properties, LLC | 59 |
10 |
Mitsubishi Gas Chemical Company, Inc. | 3421 |
9 |
Research Institute of Innovative Technology for the Earth | 88 |
9 |
Sekisui Chemical Co., Ltd. | 3368 |
9 |
Toshiba Corporation | 12264 |
8 |
University of Florida Research Foundation, Inc. | 3975 |
8 |
Honda Motor Co., Ltd. | 25116 |
7 |
Chevron U.S.A. Inc. | 3914 |
7 |
Arizona Board of Regents on behalf of Arizona State University | 2559 |
7 |
Other owners | 820 |