- All sections
- B - Performing operationstransporting
- B65G - Transport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors
- B65G 19/20 - Traction chains, ropes, or cables
Patent holdings for IPC class B65G 19/20
Total number of patents in this class: 81
10-year publication summary
|
3
|
3
|
13
|
4
|
8
|
6
|
3
|
6
|
3
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Joy Global Underground Mining LLC | 349 |
19 |
| The Cincinnati Mine Machinery Company | 18 |
10 |
| China University of Mining and Technology | 1266 |
6 |
| Joy MM Delaware, Inc. | 56 |
5 |
| Bucyrus Europe GmbH | 32 |
2 |
| Finnchain Oy | 13 |
2 |
| Daltec A/S | 9 |
2 |
| Ferrum Packaging AG | 45 |
2 |
| Jiangsu Tianming Machinery Group Co., Ltd. | 4 |
2 |
| Caterpillar Inc. | 9640 |
1 |
| Boe Technology Group Co., Ltd. | 41668 |
1 |
| Beckhoff Automation GmbH | 525 |
1 |
| Buehler GmbH | 4 |
1 |
| Ferrum AG | 26 |
1 |
| Fuji Corporation | 3418 |
1 |
| Gima, S.p.A. | 90 |
1 |
| Hefei Xinsheng Optoelectronics Technology Co., Ltd. | 2570 |
1 |
| J.D. Theile GmbH & Co. KG | 11 |
1 |
| John Bean Technologies Corporation | 379 |
1 |
| Ketten-Wulf Betriebs-GmbH | 17 |
1 |
| Other owners | 20 |