- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 33/74 - Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging filtrate
Patent holdings for IPC class B01D 33/74
Total number of patents in this class: 53
10-year publication summary
|
3
|
6
|
3
|
6
|
8
|
4
|
7
|
5
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Derrick Corporation | 245 |
5 |
| Plenty Company, LLC | 12 |
4 |
| Andritz Inc. | 332 |
3 |
| ANDRITZ KMPT GmbH | 7 |
3 |
| Process Wastewater Technologies, LLC | 12 |
2 |
| Vorsana, Inc. | 25 |
2 |
| Samsung Electronics Co., Ltd. | 143812 |
1 |
| A. Kayser Automotive Systems GmbH | 29 |
1 |
| Andritz Ltd. | 17 |
1 |
| Ant Corporation | 4 |
1 |
| Bunri Incorporation | 30 |
1 |
| CDE Global Limited | 77 |
1 |
| Concept Solutions Limited | 2 |
1 |
| Ettlinger Kunststoffmaschinen GmbH | 10 |
1 |
| Foshan Shunde Midea Washing Appliances Mfg. Co., Ltd. | 60 |
1 |
| Herbold Meckesheim GmbH | 17 |
1 |
| Metalquimia, S.A. | 35 |
1 |
| Midea Group Co., Ltd. | 4482 |
1 |
| Mott Corporation | 68 |
1 |
| Outotec (Finland) Oy | 480 |
1 |
| Other owners | 20 |