- All sections
- B - Performing operationstransporting
- B02C - Crushing, pulverising, or disintegrating in generalmilling grain
- B02C 4/00 - Crushing or disintegrating by roller mills
Patent holdings for IPC class B02C 4/00
Total number of patents in this class: 75
10-year publication summary
|
8
|
8
|
5
|
5
|
5
|
5
|
5
|
3
|
2
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FLSmidth A/S | 775 |
4 |
| Seiko Epson Corporation | 19675 |
3 |
| TAKRAF GmbH | 65 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 5773 |
2 |
| Astec Industries, Inc. | 87 |
2 |
| Chevron Phillips Chemical Company LP | 1847 |
2 |
| ITO En, Ltd. | 175 |
2 |
| JFK Equipment Limited | 6 |
2 |
| Metso Minerals Industries, Inc. | 52 |
2 |
| Metso USA, Inc. | 140 |
2 |
| FRITSCH Milling & Sizing, Inc. | 11 |
2 |
| Isgec Heavy Engineering Limited | 3 |
2 |
| FLSmidth Cement A/S | 111 |
2 |
| LG Chem, Ltd. | 17682 |
1 |
| Aktiebolaget SKF | 3010 |
1 |
| Anhui University of Science and Technology | 189 |
1 |
| Buhler AG | 524 |
1 |
| Cold Jet, LLC | 85 |
1 |
| Crush + Size Technology GmbH & Co. KG | 3 |
1 |
| Dash LLC | 10 |
1 |
| Other owners | 38 |