- All sections
- B - Performing operationstransporting
- B66D - Capstanswinchestackles, e.g. pulley blockshoists
- B66D 1/38 - Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains by means of guides movable relative to drum or barrel
Patent holdings for IPC class B66D 1/38
Total number of patents in this class: 179
10-year publication summary
|
15
|
19
|
22
|
17
|
17
|
19
|
12
|
18
|
8
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hall Labs, LLC | 148 |
10 |
| Liebherr-components Biberach GmbH | 225 |
7 |
| Electronic Theatre Controls, Inc. | 258 |
6 |
| TT Technologies, Inc. | 149 |
6 |
| KITO Corporation | 169 |
5 |
| Konecranes Global Corporation | 479 |
5 |
| Prinoth S.p.A. | 162 |
5 |
| Garage Smart Industries, Inc. | 11 |
5 |
| T-max (Hangzhou) Technology Co., Ltd. | 112 |
4 |
| Thales SA | 2345 |
3 |
| GEA Farm Technologies Canada Inc. | 16 |
3 |
| Ocado Innovation Limited | 934 |
3 |
| Warn Industries, Inc. | 204 |
3 |
| Woods Hole Oceanographic Institution | 141 |
3 |
| Wingcopter GmbH | 40 |
3 |
| Ce.s.i. Centro Studi Industriali di Taddei SIMONA Maria & C. S.A.S. | 3 |
2 |
| Deep Tek Winch IP Limited | 2 |
2 |
| Gorbel, Inc. | 34 |
2 |
| Grant Prideco, Inc. | 385 |
2 |
| Jilin University | 271 |
2 |
| Other owners | 98 |