- All sections
- B - Performing operations; transporting
- B04B - Centrifuges
- B04B 7/18 - Rotary bowls formed or coated with sieving or filtering elements
Patent holdings for IPC class B04B 7/18
Total number of patents in this class: 45
10-year publication summary
2
|
4
|
1
|
6
|
3
|
5
|
5
|
4
|
2
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Aqseptence Group, Inc. | 103 |
4 |
SIEBTECHNIK GmbH | 14 |
4 |
Johnson Screens, Inc. | 19 |
3 |
The Western States Machine Company | 17 |
3 |
Andritz Fiedler GmbH | 26 |
2 |
Arthrex, Inc. | 1201 |
2 |
BMA Braunschweigische Maschinenbauanstalt AG | 36 |
2 |
Ferrum AG | 27 |
2 |
Safran Helicopter Engines | 676 |
2 |
Weir Minerals Australia, Ltd. | 309 |
2 |
Chabiomed Co., Ltd. | 6 |
2 |
Pengchen New Material Technology Co., Ltd. | 44 |
2 |
3m Innovative Properties Company | 18406 |
1 |
Biomet, Inc. | 136 |
1 |
Biomet Manufacturing, LLC | 1067 |
1 |
Braunschweigische Maschinenbauanstalt AG | 5 |
1 |
Clear Edge-germany GmbH | 12 |
1 |
Intercrate Container Corp. | 10 |
1 |
Mantovani & Vicentini S.r.l. | 14 |
1 |
Millennium Medical Technologies, Inc. | 5 |
1 |
Other owners | 7 |