- All sections
- B - Performing operationstransporting
- B02C - Crushing, pulverising, or disintegrating in generalmilling grain
- B02C 4/28 - Crushing or disintegrating by roller mills Details
Patent holdings for IPC class B02C 4/28
Total number of patents in this class: 285
10-year publication summary
|
20
|
19
|
17
|
21
|
19
|
18
|
28
|
33
|
26
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KHD Humboldt Wedag GmbH | 190 |
26 |
| Buhler AG | 530 |
23 |
| FLSmidth A/S | 773 |
19 |
| Metso Outotec USA Inc. | 84 |
13 |
| TAKRAF GmbH | 65 |
11 |
| Maschinenfabrik Köppern GmbH & Co. KG | 70 |
10 |
| ThyssenKrupp Industrial Solutions AG | 632 |
10 |
| Metso USA, Inc. | 80 |
9 |
| Cams S.r.l. | 27 |
9 |
| ThyssenKrupp AG | 3279 |
8 |
| Pearson Incorporated | 30 |
6 |
| FLSmidth A/S | 39 |
6 |
| Buehler AG | 52 |
5 |
| Weir Minerals Netherlands B.V. | 58 |
5 |
| Metso Minerals Industries, Inc. | 56 |
4 |
| indurad GmbH | 28 |
3 |
| MMD Design & Consultancy Limited | 54 |
3 |
| Polysius AG | 50 |
3 |
| ThyssenKrupp Fördertechnik GmbH | 14 |
3 |
| swisca ag | 19 |
3 |
| Other owners | 106 |