- All sections
- E - Fixed constructions
- E21C - Mining or quarrying
- E21C 25/08 - Mountings for the rods or drums
Patent holdings for IPC class E21C 25/08
Total number of patents in this class: 16
10-year publication summary
|
2
|
6
|
2
|
3
|
1
|
0
|
1
|
0
|
0
|
0
|
| 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 |
3 |
| Caterpillar Paving Products Inc. | 674 |
2 |
| IDIM Pty Ltd | 3 |
2 |
| Caterpillar Inc. | 9659 |
1 |
| BOMAG GmbH | 404 |
1 |
| Eickhoff Bergbautechnik GmbH | 6 |
1 |
| J.H. Fletcher & Co. | 79 |
1 |
| Joy MM Delaware, Inc. | 56 |
1 |
| The Robbins Company | 9 |
1 |
| Lloyd Dynamowerke GmbH | 6 |
1 |
| Caldon Mining Pty. Limited | 1 |
1 |
| Echidna Techologies Pty Ltd | 1 |
1 |
| Other owners | 0 |