- 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 1/28 - Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting, or wobbling screens
Patent holdings for IPC class B07B 1/28
Total number of patents in this class: 638
10-year publication summary
|
55
|
31
|
54
|
41
|
40
|
71
|
50
|
46
|
48
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| M-I L.L.C. | 741 |
67 |
| Derrick Corporation | 256 |
48 |
| Terex USA, LLC | 144 |
27 |
| CDE Global Limited | 70 |
13 |
| National Oilwell Varco, L.P. | 1701 |
10 |
| Terex GB Limited | 131 |
10 |
| Superior Industries, Inc. | 219 |
9 |
| General Kinematics Corporation | 142 |
8 |
| FLSmidth A/S | 785 |
8 |
| Google LLC | 44565 |
7 |
| Mis.carbonart Pty Ltd (a subsidiary of Mineral Resources Limited) | 8 |
7 |
| China University of Mining and Technology | 1312 |
6 |
| Sandvik Rock Processing Australia Pty Limited | 53 |
6 |
| Schlumberger Technology Corporation | 11839 |
5 |
| Halliburton Energy Services, Inc. | 21305 |
5 |
| Nippon Shokubai Co., Ltd. | 1540 |
5 |
| ThyssenKrupp AG | 3399 |
5 |
| ThyssenKrupp Industrial Solutions AG | 630 |
5 |
| Wacker Chemie AG | 2110 |
5 |
| Schlumberger Oilfield UK Limited | 51 |
5 |
| Other owners | 377 |