- All sections
- B - Performing operations; transporting
- B02C - Crushing, pulverising, or disintegrating in general; milling grain
- B02C 4/30 - Shape or construction of rollers
Patent holdings for IPC class B02C 4/30
Total number of patents in this class: 307
10-year publication summary
34
|
30
|
31
|
24
|
25
|
16
|
16
|
26
|
13
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
FLSmidth A/S | 923 |
38 |
KHD Humboldt Wedag GmbH | 192 |
18 |
ThyssenKrupp Industrial Solutions AG | 729 |
18 |
ThyssenKrupp AG | 3086 |
16 |
Metso Outotec USA Inc. | 139 |
13 |
Buhler AG | 531 |
11 |
MMD Design & Consultancy Limited | 55 |
10 |
Maschinenfabrik Köppern GmbH & Co. KG | 61 |
7 |
Polysius AG | 55 |
5 |
TAKRAF GmbH | 63 |
5 |
Sandvik Intellectual Property AB | 1634 |
4 |
Weir Minerals Netherlands B.V. | 45 |
4 |
Cellulose Insulation Production Scandinavia CPS AB | 6 |
3 |
CNH Industrial America LLC | 1683 |
3 |
Crush + Size Technology GmbH & Co. KG | 3 |
3 |
General Mills, Inc. | 990 |
3 |
Metso Brasil Industria e Comercio Ltda | 17 |
3 |
Metso Minerals (Wear Protection) AB | 13 |
3 |
Wacker Chemie AG | 2091 |
3 |
Cast Steel Products LP, By Its General Partner Cast Steel Products GP Ltd. | 4 |
3 |
Other owners | 134 |