- 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: 164
10-year publication summary
17
|
15
|
12
|
15
|
17
|
18
|
8
|
13
|
8
|
4
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Liebherr-components Biberach GmbH | 223 |
11 |
Electronic Theatre Controls, Inc. | 258 |
6 |
Konecranes Global Corporation | 477 |
6 |
Parkburn Precision Handling Systems Limited | 9 |
5 |
Cmech (Guangzhou) Ltd. | 51 |
4 |
Kobelco Construction Machinery Co., Ltd. | 1137 |
4 |
Atlas Devices, LLC | 25 |
3 |
KITO Corporation | 169 |
3 |
National Oilwell Varco Norway AS | 107 |
3 |
Samsung Heavy Ind. Co., Ltd. | 238 |
3 |
Continental Global Material Handling Inc. | 23 |
3 |
Continental Global Material Handling LLC | 25 |
3 |
Samsung Electronics Co., Ltd. | 145864 |
2 |
Schlumberger Canada Limited | 7293 |
2 |
Schlumberger Technology B.v. | 5166 |
2 |
Schlumberger Holdings Limited | 2831 |
2 |
Thales SA | 2337 |
2 |
Atlas Elektronik GmbH | 397 |
2 |
Cameron International Corporation | 1332 |
2 |
China University of Mining and Technology | 1253 |
2 |
Other owners | 94 |