- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 31/18 - Carbon monoxide
Patent holdings for IPC class C01B 31/18
Total number of patents in this class: 208
10-year publication summary
|
8
|
3
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bayer Intellectual Property GmbH | 2360 |
10 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4120 |
8 |
| Saudi Basic Industries Corporation | 524 |
7 |
| Bayer Technology Services GmbH | 155 |
6 |
| Linde Aktiengesellschaft | 1421 |
6 |
| Panasonic Corporation | 18951 |
5 |
| Murata Manufacturing Co., Ltd. | 25776 |
5 |
| Mitsui Mining & Smelting Co., Ltd. | 1096 |
5 |
| Sure Champion Investment Limited | 50 |
5 |
| BASF SE | 21318 |
4 |
| CCP Technology GmbH | 22 |
4 |
| SABIC Global Technologies B.V. | 4605 |
4 |
| Siemens AG | 24011 |
3 |
| Air Products and Chemicals, Inc. | 1474 |
3 |
| Dioxide Materials, Inc. | 49 |
3 |
| SABIC Petrochemicals B.V. | 51 |
3 |
| National Technology & Engineering Solutions of Sandia, LLC | 1954 |
3 |
| Haldor Topsøe A/S | 636 |
3 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6172 |
3 |
| General Electric Company | 13908 |
2 |
| Other owners | 116 |