- 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: 167
10-year publication summary
|
11
|
15
|
22
|
20
|
11
|
12
|
10
|
5
|
10
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pelletron Corporation | 24 |
5 |
| Atacama Labs Oy | 14 |
4 |
| WM Intellectual Property Holdings, L.L.C. | 266 |
4 |
| Unicharm Corporation | 2981 |
4 |
| Buhler AG | 520 |
3 |
| Crary Industries, Inc. | 31 |
3 |
| General Kinematics Corporation | 144 |
3 |
| Glatt Maschinen-und Apparatebau AG | 17 |
3 |
| Savage Equipment, Inc. | 13 |
3 |
| Yoshino Gypsum Co., Ltd. | 266 |
3 |
| Vortex Technology, LLC | 3 |
3 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3272 |
3 |
| BASF SE | 21306 |
2 |
| Centre National de La Recherche Scientifique | 11059 |
2 |
| Seiko Epson Corporation | 20337 |
2 |
| AG Growth International Inc. | 167 |
2 |
| Grainfrac Inc. | 4 |
2 |
| Grimme Landmaschinenfabrik GmbH & Co. KG | 55 |
2 |
| Korea Institute of Geoscience and Mineral Resources | 256 |
2 |
| REC Silicon Inc | 76 |
2 |
| Other owners | 110 |