- All sections
- B - Performing operations; transporting
- B07B - Separating solids from solids by sieving, screening, sifting or by using gas currents; separating 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: 156
10-year publication summary
|
17
|
20
|
11
|
15
|
22
|
20
|
10
|
11
|
10
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pelletron Corporation | 30 |
6 |
| Atacama Labs Oy | 17 |
5 |
| Buhler AG | 531 |
4 |
| Vortex Technology, LLC | 4 |
4 |
| Unicharm Corporation | 2744 |
4 |
| Crary Industries, Inc. | 31 |
3 |
| General Kinematics Corporation | 144 |
3 |
| Glatt Maschinen-und Apparatebau AG | 19 |
3 |
| Savage Equipment, Inc. | 16 |
3 |
| WM Intellectual Property Holdings, L.L.C. | 213 |
3 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
3 |
| BASF SE | 19740 |
2 |
| Seiko Epson Corporation | 18724 |
2 |
| ALCAN International Limited | 40 |
2 |
| Grainfrac Inc. | 4 |
2 |
| Grimme Landmaschinenfabrik GmbH & Co. KG | 97 |
2 |
| Korea Institute of Geoscience and Mineral Resources | 222 |
2 |
| Polysius AG | 55 |
2 |
| REC Silicon Inc | 77 |
2 |
| Siltronic AG | 395 |
2 |
| Other owners | 97 |