- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 25/34 - Removal of filter cakes by moving the filter elements
Patent holdings for IPC class B01D 25/34
Total number of patents in this class: 24
10-year publication summary
|
0
|
3
|
1
|
3
|
0
|
5
|
2
|
8
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zhejiang Jieweikai Filter Technology Co., Ltd. | 3 |
3 |
| Kronos International, Inc. | 103 |
2 |
| Metso Outotec Finland Oy | 797 |
2 |
| Jingjin Equipment Inc. | 19 |
2 |
| First Environmental Protection (Shenzhen) Co., Ltd | 3 |
2 |
| Metso Finland Oy | 70 |
2 |
| American Peat Technology, LLC | 26 |
1 |
| Duby, Sean R. | 4 |
1 |
| Ishigaki Company Limited | 49 |
1 |
| Metso Sweden AB | 46 |
1 |
| Shandong Jingjin Environmental Protection Equipment Co., Ltd. | 3 |
1 |
| Landwehr, Frank | 1 |
1 |
| Medved, Mitja | 1 |
1 |
| Pierau, Thomas | 1 |
1 |
| Helix Earth Technologies, Inc. | 6 |
1 |
| Anyong Enviro-Tech (Jiangsu) Co., Ltd. | 1 |
1 |
| Dewater Filter Press S.r.l. | 1 |
1 |
| Other owners | 0 |