- 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: 130
10-year publication summary
|
4
|
5
|
16
|
13
|
12
|
16
|
8
|
11
|
12
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KITO Corporation | 169 |
35 |
| Warn Industries, Inc. | 202 |
10 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1461 |
9 |
| Konecranes Global Corporation | 478 |
9 |
| Construction Robotics, LLC | 10 |
4 |
| Skylotec GmbH | 130 |
4 |
| Hornet Acquisitionco, LLC | 74 |
4 |
| Deere & Company | 7625 |
3 |
| Columbus McKinnon Industrial Products GmbH | 31 |
3 |
| Demag Cranes & Components GmbH | 58 |
2 |
| J.D. Neuhaus Holding GmbH & Co. KG | 14 |
2 |
| Liko Research & Development AB | 132 |
2 |
| Schlumberger Technology Corporation | 10780 |
1 |
| Black & Decker, Inc. | 2410 |
1 |
| Actsafe Systems AB | 2 |
1 |
| Allied Motion Technologies Inc. | 23 |
1 |
| ArjoHuntleigh Magog Inc. | 30 |
1 |
| Binar Quick-lift Systems AB | 5 |
1 |
| Breeze-eastern LLC | 13 |
1 |
| Columbus McKinnon Corporation | 90 |
1 |
| Other owners | 35 |