- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 33/64 - Handling the filter cake in the filter for purposes other than for regenerating for drying by compression
Patent holdings for IPC class B01D 33/64
Total number of patents in this class: 47
10-year publication summary
|
2
|
4
|
6
|
2
|
6
|
2
|
4
|
0
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Danmarks Tekniske Universitet | 983 |
3 |
| Valmet AB | 518 |
3 |
| Nijhuis Water Technology B.V. | 13 |
2 |
| Nordischer Maschinenbau Rud. Baader GmbH + Co. KG | 371 |
2 |
| UPM-Kymmene Corporation | 945 |
2 |
| UTS Biogastechnik GmbH | 28 |
2 |
| Z-filter Pty Ltd | 4 |
2 |
| Essa corp. | 3 |
2 |
| Canon Inc. | 40623 |
1 |
| Bridgestone Corporation | 7218 |
1 |
| Siemens VAI Metals Technologies GmbH | 219 |
1 |
| Agenta LLC | 1 |
1 |
| Englo, Inc. | 4 |
1 |
| Hugo Vogelsang Maschinenbau GmbH | 64 |
1 |
| Ishigaki Company Limited | 47 |
1 |
| Metawater Co., Ltd. | 198 |
1 |
| Nexom (U.S.), Inc. | 13 |
1 |
| Outotec (Finland) Oy | 477 |
1 |
| Purfil ApS | 1 |
1 |
| Röhren- und Pumpenwerk Bauer Ges.m.b.H. | 36 |
1 |
| Other owners | 17 |