- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 53/72 - Organic compounds not provided for in groups , e.g. hydrocarbons
Patent holdings for IPC class B01D 53/72
Total number of patents in this class: 610
10-year publication summary
|
51
|
63
|
55
|
40
|
62
|
46
|
32
|
35
|
31
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson Matthey Public Limited Company | 1768 |
12 |
| BASF Corporation | 1681 |
9 |
| 3m Innovative Properties Company | 17478 |
7 |
| Shell Internationale Research Maatschappij B.V. | 3403 |
6 |
| Chevron Phillips Chemical Company LP | 1861 |
6 |
| Guangdong University of Technology | 660 |
6 |
| Chio Kang Medical, Inc. | 29 |
6 |
| Qiaokang Biotech (Guangdong) Co., LTD. | 29 |
6 |
| BASF Mobile Emissions Catalysts LLC | 432 |
6 |
| Honeywell International Inc. | 12778 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
5 |
| Air Liquide Advanced Technologies U.S. LLC | 74 |
5 |
| CSP Technologies, Inc. | 305 |
5 |
| Donaldson Company, Inc. | 1600 |
5 |
| Entegris, Inc. | 2008 |
5 |
| King Abdullah University of Science and Technology | 1852 |
5 |
| Ningbo Yuchen Enviroclean Tech Co., Ltd. | 8 |
5 |
| ThyssenKrupp Industrial Solutions AG | 630 |
5 |
| Shenzhen Puremate Technology Co., Ltd. | 64 |
5 |
| Tokyo Electron Limited | 13807 |
4 |
| Other owners | 492 |