- 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: 301
10-year publication summary
|
16
|
13
|
16
|
16
|
17
|
27
|
27
|
27
|
10
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KHD Humboldt Wedag GmbH | 188 |
24 |
| Metso USA, Inc. | 166 |
24 |
| Buhler AG | 518 |
23 |
| FLSmidth A/S | 786 |
20 |
| Maschinenfabrik Köppern GmbH & Co. KG | 77 |
11 |
| TAKRAF GmbH | 68 |
11 |
| ThyssenKrupp Industrial Solutions AG | 631 |
10 |
| Cams S.r.l. | 25 |
9 |
| ThyssenKrupp AG | 3426 |
8 |
| Weir Minerals Netherlands B.V. | 64 |
6 |
| Pearson Incorporated | 28 |
6 |
| FLSmidth A/S | 36 |
6 |
| Buehler AG | 47 |
5 |
| Metso Outotec USA Inc. | 29 |
5 |
| swisca ag | 23 |
5 |
| Metso Minerals Industries, Inc. | 48 |
4 |
| MMD Design & Consultancy Limited | 53 |
3 |
| Pallmann Maschinenfabrik GmbH & Co. KG | 48 |
3 |
| Polysius AG | 45 |
3 |
| Syncrude Canada Ltd. | 84 |
3 |
| Other owners | 112 |