- 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 1/18 - Drum screens
Patent holdings for IPC class B07B 1/18
Total number of patents in this class: 103
10-year publication summary
|
16
|
12
|
7
|
21
|
11
|
5
|
12
|
9
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2734 |
14 |
| Derrick Corporation | 239 |
7 |
| Andritz Fiedler GmbH | 26 |
6 |
| Seiko Epson Corporation | 18966 |
5 |
| Telsonic Holding AG | 75 |
4 |
| Aikawa Fiber Technologies Oy | 13 |
3 |
| The Original Resinator, LLC | 14 |
3 |
| Schaeffler Technologies AG & Co. KG | 9350 |
2 |
| Artech Systems AG | 7 |
2 |
| Henan Kangxing Pharmaceutical Co., Ltd. | 4 |
2 |
| Ovivo Inc. | 147 |
2 |
| Siempelkamp Maschinen- und Anlagenbau GmbH & Co. KG | 123 |
2 |
| Tega Industries Limited | 43 |
2 |
| Vermeer Manufacturing Company | 627 |
2 |
| Aqseptence Group Pty Ltd | 22 |
2 |
| FLSmidth A/S | 858 |
2 |
| Schlumberger Technology Corporation | 10217 |
1 |
| LG Electronics Inc. | 70831 |
1 |
| Blue Leaf I.P., Inc. | 2829 |
1 |
| Anaeco Limited | 12 |
1 |
| Other owners | 39 |