- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 3/46 - DredgersSoil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes
Patent holdings for IPC class E02F 3/46
Total number of patents in this class: 110
10-year publication summary
|
12
|
9
|
2
|
5
|
2
|
12
|
2
|
8
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Joy Global Surface Mining Inc | 371 |
61 |
| Caterpillar Global Mining LLC | 208 |
11 |
| Blue Leaf I.P., Inc. | 2931 |
9 |
| Flanders Electric Motor Service, LLC | 74 |
3 |
| MineSense Technologies Ltd. | 63 |
2 |
| Canadian Natural Upgrading Limited | 45 |
2 |
| Cashman Dredging and Marine Contracting, Co., LLC | 34 |
2 |
| Caterpillar Inc. | 10285 |
1 |
| 3D Image Automation Pty Ltd | 4 |
1 |
| Bradken Resources Pty Limited | 146 |
1 |
| Caterpillar Trimble Control Technologies LLC | 130 |
1 |
| Clark Equipment Company | 289 |
1 |
| CNC Industries Ltd. | 9 |
1 |
| Emergent Mining Technologies Pty Ltd | 3 |
1 |
| Indian Institute of Science | 351 |
1 |
| Liebherr-Werk Nenzing GmbH | 99 |
1 |
| Minetec S.A. | 32 |
1 |
| Samson Rope Technologies | 21 |
1 |
| Sennebogen Maschinenfabrik GmbH | 13 |
1 |
| Sulzer Management AG | 712 |
1 |
| Other owners | 7 |