- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 21/20 - Driving mechanisms
Patent holdings for IPC class B01D 21/20
Total number of patents in this class: 60
10-year publication summary
|
1
|
4
|
3
|
8
|
1
|
4
|
2
|
10
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evoqua Water Technologies LLC | 924 |
7 |
| LINKON TECHNOLOGY CO., LTD. (a legal entity) | 15 |
7 |
| Brentwood Industries, Inc. | 110 |
5 |
| Corea Technology Co.,Ltd. | 4 |
4 |
| Suez International | 360 |
3 |
| Degremont | 80 |
2 |
| Nordic Water Products AB | 47 |
2 |
| Outotec Oyj | 246 |
2 |
| Suido Kiko Kaisha., Ltd. | 8 |
2 |
| FLSmidth A/S | 786 |
2 |
| Kadant Black Clawson LLC | 48 |
2 |
| Parkson Corporation | 126 |
2 |
| Gyeongju-si,gyeongsangbuk-do | 4 |
2 |
| Siemens Industry, Inc. | 1585 |
1 |
| B.G. Negev Technologies and Applications Ltd., at Ben-gurion University | 369 |
1 |
| Finnchain Oy | 13 |
1 |
| FMC Separation Systems, BV | 27 |
1 |
| Fujiwara Industry Co., Ltd. | 1 |
1 |
| General Ecology, Inc. | 38 |
1 |
| Laserjet 2000 AG | 1 |
1 |
| Other owners | 11 |