- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 33/04 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
Patent holdings for IPC class B01D 33/04
Total number of patents in this class: 166
10-year publication summary
|
9
|
14
|
16
|
7
|
14
|
9
|
12
|
6
|
8
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cubility AS | 39 |
9 |
| Tsukishima Kikai Co., Ltd. | 117 |
7 |
| Nexom (U.S.), Inc. | 16 |
5 |
| Pro-flo AS | 5 |
5 |
| Metawater Co., Ltd. | 188 |
4 |
| CONTITECH TRANSPORTBANDSYSTEME GmbH | 190 |
3 |
| Suez International | 329 |
3 |
| Univenture, Inc., AKA Biobent Polymers | 6 |
3 |
| ISM&M, Inc. | 3 |
3 |
| Schellstede-lee Interests, LLC | 3 |
3 |
| Murata Manufacturing Co., Ltd. | 23743 |
2 |
| Bridgestone Corporation | 7156 |
2 |
| Georgia Tech Research Corporation | 2617 |
2 |
| Alfa Laval Corporate AB | 1305 |
2 |
| Blue Water Technologies, Inc. | 3 |
2 |
| Cranfield University | 91 |
2 |
| Electricite de France | 715 |
2 |
| Hydro International plc | 43 |
2 |
| IHI Corporation | 3366 |
2 |
| Ishigaki Company Limited | 49 |
2 |
| Other owners | 101 |