- 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: 215
10-year publication summary
|
19
|
24
|
19
|
26
|
23
|
26
|
22
|
21
|
19
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Veolia Water Solutions & Technologies Support | 534 |
10 |
| BHS-Sonthofen GmbH | 42 |
7 |
| Vermeer Manufacturing Company | 633 |
7 |
| Gaudfrin | 19 |
6 |
| Kadant Black Clawson LLC | 36 |
6 |
| Maytronics Ltd. | 167 |
5 |
| Outotec (Finland) Oy | 486 |
5 |
| Halliburton Energy Services, Inc. | 20618 |
4 |
| The Charles Machine Works, Inc. | 412 |
4 |
| ANDRITZ KMPT GmbH | 7 |
3 |
| Bunri Incorporation | 30 |
3 |
| Duperon Innovation, LLC | 13 |
3 |
| Evoqua Water Technologies LLC | 911 |
3 |
| Huber SE | 99 |
3 |
| M-I L.L.C. | 830 |
3 |
| National Oilwell Varco, L.P. | 1620 |
3 |
| Nexom (U.S.), Inc. | 14 |
3 |
| Voith Patent GmbH | 2739 |
3 |
| Essa corp. | 3 |
3 |
| Parkson Corporation | 96 |
3 |
| Other owners | 128 |