- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 53/75 - Multi-step processes
Patent holdings for IPC class B01D 53/75
Total number of patents in this class: 908
10-year publication summary
|
53
|
71
|
65
|
60
|
70
|
69
|
69
|
73
|
84
|
53
|
| 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 |
28 |
| Saudi Arabian Oil Company | 14305 |
25 |
| General Electric Technology GmbH | 1336 |
18 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4122 |
16 |
| Mitsubishi Power, Ltd. | 1833 |
16 |
| Uop LLC | 4390 |
15 |
| Jiangnan Environmental Protection Group Inc. | 57 |
14 |
| Air Products and Chemicals, Inc. | 1469 |
11 |
| IHI Corporation | 3527 |
11 |
| Honeywell International Inc. | 12776 |
9 |
| Edwards Limited | 774 |
9 |
| Entegris, Inc. | 2011 |
9 |
| Haldor Topsøe A/S | 636 |
8 |
| Fluor Technologies Corporation | 358 |
7 |
| Huaneng Clean Energy Research Institute | 511 |
7 |
| Institute of Process Engineering, Chinese Academy of Sciences | 329 |
7 |
| Chio Kang Medical, Inc. | 29 |
7 |
| Qiaokang Biotech (Guangdong) Co., LTD. | 29 |
7 |
| Samsung Electronics Co., Ltd. | 158442 |
6 |
| Aramco Services Company | 4192 |
6 |
| Other owners | 672 |