- All sections
- B - Performing operationstransporting
- B66D - Capstanswinchestackles, e.g. pulley blockshoists
- B66D 1/30 - Rope, cable, or chain drums or barrels
Patent holdings for IPC class B66D 1/30
Total number of patents in this class: 175
10-year publication summary
|
15
|
12
|
15
|
17
|
18
|
8
|
13
|
9
|
9
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Liebherr-components Biberach GmbH | 225 |
11 |
| Electronic Theatre Controls, Inc. | 257 |
6 |
| Konecranes Global Corporation | 483 |
6 |
| Parkburn Precision Handling Systems Limited | 10 |
5 |
| Cmech (Guangzhou) Ltd. | 49 |
4 |
| Kobelco Construction Machinery Co., Ltd. | 1210 |
4 |
| Atlas Devices, LLC | 26 |
3 |
| KITO Corporation | 184 |
3 |
| National Oilwell Varco Norway AS | 107 |
3 |
| Samsung Heavy Ind. Co., Ltd. | 249 |
3 |
| Continental Global Material Handling Inc. | 23 |
3 |
| Continental Global Material Handling LLC | 25 |
3 |
| Samsung Electronics Co., Ltd. | 157719 |
2 |
| Schlumberger Technology Corporation | 11818 |
2 |
| Schlumberger Canada Limited | 7606 |
2 |
| Schlumberger Technology B.v. | 5298 |
2 |
| Schlumberger Holdings Limited | 2699 |
2 |
| Thales SA | 2386 |
2 |
| Atlas Elektronik GmbH | 384 |
2 |
| Cameron International Corporation | 1370 |
2 |
| Other owners | 105 |