- All sections
- B - Performing operationstransporting
- B66D - Capstanswinchestackles, e.g. pulley blockshoists
- B66D 1/28 - Other constructional details
Patent holdings for IPC class B66D 1/28
Total number of patents in this class: 211
10-year publication summary
|
22
|
16
|
28
|
19
|
16
|
19
|
14
|
12
|
15
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Warn Industries, Inc. | 202 |
16 |
| Konecranes Global Corporation | 478 |
11 |
| KITO Corporation | 169 |
10 |
| Hornet Acquisitionco, LLC | 74 |
6 |
| Electronic Theatre Controls, Inc. | 257 |
5 |
| Comeup Industries Inc. | 32 |
4 |
| SEW-EURODRIVE GmbH & Co. KG | 1956 |
3 |
| Zhejiang Topsun Logistic Control Co., Ltd. | 101 |
3 |
| Usinage Numérique H.B. Inc. | 10 |
3 |
| Automatic Devices Company | 12 |
3 |
| Schlumberger Technology Corporation | 10780 |
2 |
| Schlumberger Canada Limited | 7332 |
2 |
| Schlumberger Technology B.v. | 5176 |
2 |
| Schlumberger Holdings Limited | 2817 |
2 |
| Thales SA | 2345 |
2 |
| Absolute Oilfield Equipment, LLC | 4 |
2 |
| BYD Company Limited | 5023 |
2 |
| Caterpillar Global Mining LLC | 203 |
2 |
| Deist Industries Inc., d/b/a Buck's Fabricating (a Pennsylvania corporation) | 12 |
2 |
| Demag Cranes & Components GmbH | 58 |
2 |
| Other owners | 127 |