- 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: 871
10-year publication summary
|
69
|
70
|
63
|
53
|
41
|
32
|
23
|
21
|
11
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8777 |
42 |
| NOx II, Ltd. | 48 |
37 |
| Calgon Carbon Corporation | 238 |
34 |
| ARQ Solutions (es), Inc. | 58 |
27 |
| Mitsubishi Power, Ltd. | 1780 |
26 |
| Albemarle Corporation | 483 |
22 |
| Ecolab USA Inc. | 5507 |
22 |
| ARQ Solutions, LLC | 44 |
20 |
| Johnson Matthey Public Limited Company | 1867 |
19 |
| Corning Incorporated | 10283 |
15 |
| W. L. Gore & Associates, Inc. | 2713 |
15 |
| IFP Energies Nouvelles | 2942 |
15 |
| IHI Corporation | 3449 |
15 |
| Birchtech Corp. | 24 |
14 |
| Chevron U.S.A. Inc. | 3972 |
12 |
| Mercury Capture Intellectual Property, LLC | 15 |
12 |
| Uop LLC | 4241 |
10 |
| Babcock-Hitachi Kabushiki Kaisha | 102 |
10 |
| Carbonxt Inc. | 30 |
10 |
| Chemical and Metal Technologies LLC | 12 |
10 |
| Other owners | 484 |