- 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 4/04 - Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall in cascades
Patent holdings for IPC class B07B 4/04
Total number of patents in this class: 34
10-year publication summary
|
0
|
2
|
2
|
3
|
1
|
2
|
3
|
0
|
2
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KHD Humboldt Wedag GmbH | 191 |
5 |
| Buhler AG | 530 |
2 |
| IFE Aufbereitungstechnik GmbH | 25 |
2 |
| Maschinenfabrik Köppern GmbH & Co. KG | 73 |
2 |
| Agricultural Robotics LLC | 4 |
1 |
| Carter Day International, Inc. | 15 |
1 |
| Fives FCB | 58 |
1 |
| General Kinematics Corporation | 141 |
1 |
| Kashiwabara Corporation | 4 |
1 |
| KLAFS GmbH & Co. KG | 16 |
1 |
| Pelletron Corporation | 27 |
1 |
| Tokuyama Corporation | 1395 |
1 |
| Toyota Tsusho Corporation | 182 |
1 |
| Weir Minerals Netherlands B.V. | 60 |
1 |
| Przedsiebiorstwo Obrotu Surowcami Wtórnymi HERMEX" Adam Czech | 1 |
1 |
| ASM Technology Sp. z o.o. | 2 |
1 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12787 |
1 |
| Toyota Metal Co., Ltd. | 5 |
1 |
| China Building Materials Academy Co., Ltd. | 26 |
1 |
| Didid | 1 |
1 |
| Other owners | 7 |