- All sections
- B - Performing operationstransporting
- B07B - Separating solids from solids by sieving, screening, sifting or by using gas currentsseparating by other dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
- B07B 4/08 - Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
Patent holdings for IPC class B07B 4/08
Total number of patents in this class: 159
10-year publication summary
|
18
|
11
|
14
|
20
|
19
|
11
|
11
|
10
|
5
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pelletron Corporation | 27 |
5 |
| Atacama Labs Oy | 14 |
4 |
| WM Intellectual Property Holdings, L.L.C. | 257 |
4 |
| Unicharm Corporation | 2900 |
4 |
| Buhler AG | 529 |
3 |
| Crary Industries, Inc. | 31 |
3 |
| General Kinematics Corporation | 146 |
3 |
| Glatt Maschinen-und Apparatebau AG | 17 |
3 |
| Grimme Landmaschinenfabrik GmbH & Co. KG | 119 |
3 |
| Savage Equipment, Inc. | 14 |
3 |
| Vortex Technology, LLC | 3 |
3 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3077 |
3 |
| BASF SE | 21036 |
2 |
| Centre National de La Recherche Scientifique | 10595 |
2 |
| Seiko Epson Corporation | 19671 |
2 |
| ALCAN International Limited | 35 |
2 |
| Grainfrac Inc. | 4 |
2 |
| Korea Institute of Geoscience and Mineral Resources | 241 |
2 |
| REC Silicon Inc | 75 |
2 |
| Siltronic AG | 423 |
2 |
| Other owners | 102 |