- All sections
- B - Performing operationstransporting
- B66D - Capstanswinchestackles, e.g. pulley blockshoists
- B66D 3/20 - Power-operated hoists with driving motor, e.g. electric motor, and drum or barrel contained in a common housing
Patent holdings for IPC class B66D 3/20
Total number of patents in this class: 122
10-year publication summary
|
5
|
5
|
19
|
13
|
13
|
16
|
11
|
12
|
11
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KITO Corporation | 171 |
33 |
| Warn Industries, Inc. | 198 |
9 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1409 |
8 |
| Konecranes Global Corporation | 492 |
8 |
| Construction Robotics, LLC | 9 |
4 |
| Hornet Acquisitionco, LLC | 59 |
4 |
| Deere & Company | 7367 |
3 |
| Columbus McKinnon Industrial Products GmbH | 32 |
3 |
| Skylotec GmbH | 117 |
3 |
| Breeze-eastern LLC | 14 |
2 |
| Demag Cranes & Components GmbH | 59 |
2 |
| Liko Research & Development AB | 133 |
2 |
| Schlumberger Technology Corporation | 10296 |
1 |
| Black & Decker, Inc. | 2407 |
1 |
| Actsafe Systems AB | 2 |
1 |
| Allied Motion Technologies Inc. | 25 |
1 |
| ArjoHuntleigh Magog Inc. | 31 |
1 |
| Binar Quick-lift Systems AB | 5 |
1 |
| Daifuku Co., Ltd. | 940 |
1 |
| Globeride, Inc. | 957 |
1 |
| Other owners | 33 |