- All sections
- B - Performing operationstransporting
- B66D - Capstanswinchestackles, e.g. pulley blockshoists
- B66D 1/34 - Attachment of ropes or cables to drums or barrels
Patent holdings for IPC class B66D 1/34
Total number of patents in this class: 65
10-year publication summary
|
3
|
6
|
12
|
8
|
8
|
2
|
2
|
2
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Konecranes Global Corporation | 483 |
6 |
| Liebherr-components Biberach GmbH | 225 |
4 |
| Bright Technologies, LLC | 36 |
3 |
| Caterpillar Global Mining LLC | 208 |
3 |
| D B Industries, Inc. | 29 |
3 |
| Hornet Acquisitionco, LLC | 82 |
3 |
| Bubba Rope, LLC | 21 |
2 |
| Mhwirth GmbH | 58 |
2 |
| Warn Industries, Inc. | 203 |
2 |
| Zhejiang Topsun Logistic Control Co., Ltd. | 96 |
2 |
| Joy Global Surface Mining Inc | 371 |
2 |
| Reel Tech Co., Ltd. | 17 |
2 |
| Horizon Global Americas Inc. | 444 |
2 |
| Dephy, Inc. | 61 |
2 |
| Nigel Carter Technical Services Limited | 2 |
2 |
| Aker Wirth GmbH | 19 |
1 |
| Autochair Limited | 11 |
1 |
| Breeze-eastern LLC | 14 |
1 |
| The Crosby Group LLC | 180 |
1 |
| D B Industries, LLC | 224 |
1 |
| Other owners | 20 |