- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 33/80 - Accessories
Patent holdings for IPC class B01D 33/80
Total number of patents in this class: 242
10-year publication summary
|
24
|
19
|
26
|
23
|
26
|
22
|
21
|
22
|
22
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Veolia Water Solutions & Technologies Support | 534 |
13 |
| BHS-Sonthofen GmbH | 40 |
7 |
| Vermeer Manufacturing Company | 672 |
7 |
| Kadant Black Clawson LLC | 49 |
7 |
| Gaudfrin | 22 |
6 |
| Maytronics Ltd. | 200 |
5 |
| Outotec (Finland) Oy | 455 |
5 |
| Halliburton Energy Services, Inc. | 21320 |
4 |
| The Charles Machine Works, Inc. | 419 |
4 |
| Duperon Innovation, LLC | 18 |
4 |
| Huber SE | 105 |
4 |
| National Oilwell Varco, L.P. | 1700 |
4 |
| ANDRITZ KMPT GmbH | 7 |
3 |
| Bunri Incorporation | 25 |
3 |
| Evoqua Water Technologies LLC | 930 |
3 |
| M-I L.L.C. | 743 |
3 |
| Nexom (U.S.), Inc. | 12 |
3 |
| Sulzer Management AG | 712 |
3 |
| Voith Patent GmbH | 2747 |
3 |
| Xeros Limited | 120 |
3 |
| Other owners | 148 |