- 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: 45
10-year publication summary
|
4
|
7
|
3
|
6
|
2
|
5
|
0
|
4
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Valmet AB | 553 |
3 |
| Danmarks Tekniske Universitet | 1020 |
2 |
| Nijhuis Water Technology B.V. | 13 |
2 |
| Nordischer Maschinenbau Rud. Baader GmbH + Co. KG | 393 |
2 |
| UPM-Kymmene Corporation | 988 |
2 |
| UTS Biogastechnik GmbH | 28 |
2 |
| Essa corp. | 3 |
2 |
| Canon Inc. | 43059 |
1 |
| Bridgestone Corporation | 7251 |
1 |
| Siemens VAI Metals Technologies GmbH | 204 |
1 |
| Agenta LLC | 1 |
1 |
| Englo, Inc. | 5 |
1 |
| Hugo Vogelsang Maschinenbau GmbH | 59 |
1 |
| ICM, Inc. | 88 |
1 |
| Ishigaki Company Limited | 45 |
1 |
| Metawater Co., Ltd. | 200 |
1 |
| Nexom (U.S.), Inc. | 12 |
1 |
| Outotec (Finland) Oy | 455 |
1 |
| Purfil ApS | 1 |
1 |
| Röhren- und Pumpenwerk Bauer Ges.m.b.H. | 35 |
1 |
| Other owners | 17 |