- All sections
- B - Performing operationstransporting
- B66D - Capstanswinchestackles, e.g. pulley blockshoists
- B66D 1/22 - Planetary or differential gearings
Patent holdings for IPC class B66D 1/22
Total number of patents in this class: 146
10-year publication summary
|
14
|
22
|
25
|
19
|
7
|
6
|
3
|
11
|
7
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Warn Industries, Inc. | 200 |
17 |
| Liebherr-components Biberach GmbH | 225 |
11 |
| Hornet Acquisitionco, LLC | 80 |
9 |
| Ningbo Lianda Winch Co. Ltd | 30 |
8 |
| Hall Labs, LLC | 148 |
7 |
| Ramsey Winch Company | 23 |
4 |
| Zhejiang Nowvow Mechanical and Electrical Corp., Ltd | 14 |
4 |
| Comeup Industries Inc. | 34 |
3 |
| KITO Corporation | 182 |
3 |
| Rotzler Holding GmbH + Co. KG | 30 |
3 |
| Westin Automotive Products, Inc. | 70 |
3 |
| T-max (Hangzhou) Technology Co., Ltd. | 126 |
3 |
| Dana Motion Systems Italia S.r.l. | 64 |
3 |
| Wedgerock LLC | 10 |
3 |
| BPG-Arrowhead Winch Inc. | 30 |
3 |
| Cameron International Corporation | 1367 |
2 |
| Electromechanical Research Laboratories, Inc. | 18 |
2 |
| Itrec B.V. | 505 |
2 |
| Konecranes Global Corporation | 481 |
2 |
| Ningbo Chima Winch Co., Ltd. | 15 |
2 |
| Other owners | 52 |