- 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: 1442
10-year publication summary
|
60
|
108
|
91
|
88
|
119
|
141
|
186
|
206
|
243
|
156
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9168 |
89 |
| Saudi Arabian Oil Company | 14305 |
29 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4122 |
28 |
| NGK Insulators, Ltd. | 5200 |
26 |
| Uop LLC | 4390 |
17 |
| Mitsubishi Heavy Industries Engineering, Ltd. | 194 |
17 |
| Denso Corporation | 25645 |
14 |
| Mitsubishi Electric Corporation | 48172 |
12 |
| Iogen Corporation | 161 |
12 |
| The Kansai Electric Power Co., Inc. | 122 |
12 |
| Nitto Denko Corporation | 8558 |
11 |
| Asahi Kasei Kabushiki Kaisha | 2840 |
11 |
| IHI Corporation | 3527 |
11 |
| Mitsubishi Gas Chemical Company, Inc. | 3634 |
11 |
| Carbon Holdings Intellectual Properties, LLC | 68 |
11 |
| Toshiba Corporation | 12594 |
10 |
| 8 Rivers Capital, LLC | 232 |
10 |
| Research Institute of Innovative Technology for the Earth | 86 |
10 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3272 |
10 |
| Infinium Technology, LLC | 95 |
10 |
| Other owners | 1081 |