- All sections
- B - Performing operations; transporting
- B66D - Capstans; winches; tackles, e.g. pulley blocks; hoists
- B66D 1/22 - Planetary or differential gearings
Patent holdings for IPC class B66D 1/22
Total number of patents in this class: 131
10-year publication summary
|
14
|
13
|
14
|
22
|
25
|
19
|
7
|
6
|
3
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Warn Industries, Inc. | 197 |
16 |
| Liebherr-components Biberach GmbH | 223 |
9 |
| Hall Labs, LLC | 221 |
9 |
| Goodrich Corporation | 2081 |
8 |
| Ramsey Winch Company | 22 |
4 |
| Zhejiang Nowvow Mechanical and Electrical Corp., Ltd | 8 |
4 |
| Ningbo Lianda Winch Co. Ltd | 14 |
4 |
| Wedgerock LLC | 11 |
4 |
| Cameron International Corporation | 1305 |
3 |
| Comeup Industries Inc. | 31 |
3 |
| KITO Corporation | 166 |
3 |
| PACCAR Inc | 1252 |
3 |
| Rotzler Holding GmbH + Co. KG | 22 |
3 |
| T-max (Hangzhou) Technology Co., Ltd. | 85 |
3 |
| Dana Motion Systems Italia S.r.l. | 91 |
3 |
| Electromechanical Research Laboratories, Inc. | 22 |
2 |
| Itrec B.V. | 477 |
2 |
| Konecranes Global Corporation | 484 |
2 |
| Premier Coil Solutions, Inc. | 65 |
2 |
| Westin Automotive Products, Inc. | 65 |
2 |
| Other owners | 42 |