- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 53/64 - Heavy metals or compounds thereof, e.g. mercury
Patent holdings for IPC class B01D 53/64
Total number of patents in this class: 814
10-year publication summary
|
78
|
69
|
60
|
41
|
38
|
26
|
25
|
11
|
19
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9152 |
43 |
| Calgon Carbon Corporation | 256 |
34 |
| ARQ Solutions (es), Inc. | 61 |
27 |
| NOx II, Ltd. | 34 |
24 |
| Albemarle Corporation | 486 |
22 |
| Ecolab USA Inc. | 5807 |
22 |
| Mitsubishi Power, Ltd. | 1833 |
20 |
| ARQ Solutions, LLC | 45 |
20 |
| W. L. Gore & Associates, Inc. | 2714 |
15 |
| IFP Energies Nouvelles | 3098 |
15 |
| IHI Corporation | 3531 |
15 |
| Corning Incorporated | 10514 |
13 |
| Chevron U.S.A. Inc. | 4145 |
12 |
| Mercury Capture Intellectual Property, LLC | 15 |
12 |
| Birchtech Corp. | 25 |
11 |
| Uop LLC | 4388 |
10 |
| Carbonxt Inc. | 29 |
10 |
| Chemical and Metal Technologies LLC | 12 |
10 |
| Johnson Matthey Public Limited Company | 1761 |
10 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
10 |
| Other owners | 459 |