- All sections
- B - Performing operations; transporting
- B02C - Crushing, pulverising, or disintegrating in general; milling grain
- B02C 4/02 - Crushing or disintegrating by roller mills with two or more rollers
Patent holdings for IPC class B02C 4/02
Total number of patents in this class: 357
10-year publication summary
|
23
|
22
|
19
|
23
|
29
|
33
|
43
|
38
|
35
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Metso Outotec USA Inc. | 135 |
36 |
| KHD Humboldt Wedag GmbH | 195 |
29 |
| FLSmidth A/S | 859 |
24 |
| ThyssenKrupp AG | 3207 |
14 |
| ThyssenKrupp Industrial Solutions AG | 690 |
14 |
| Buhler AG | 530 |
11 |
| Maschinenfabrik Köppern GmbH & Co. KG | 65 |
11 |
| Pearson Incorporated | 30 |
10 |
| Metso Minerals Industries, Inc. | 56 |
7 |
| Metso Sweden AB | 46 |
6 |
| Metso USA, Inc. | 34 |
6 |
| TAKRAF GmbH | 63 |
6 |
| thyssenkrupp Polysius GmbH | 95 |
4 |
| Bridgestone Corporation | 7147 |
3 |
| ABB Technology AG | 1272 |
3 |
| Astec Industries, Inc. | 100 |
3 |
| Buehler AG | 51 |
3 |
| Cold Jet, LLC | 86 |
3 |
| Metso Brasil Industria e Comercio Ltda | 17 |
3 |
| Sandvik SRP AB | 100 |
3 |
| Other owners | 158 |