- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 13/04 - Auxiliary devices for controlling movements of suspended loads, or for preventing cable slack
Patent holdings for IPC class B66C 13/04
Total number of patents in this class: 123
10-year publication summary
|
9
|
12
|
10
|
17
|
14
|
9
|
14
|
7
|
9
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safelink AS | 11 |
8 |
| Liebherr-Werk Nenzing GmbH | 90 |
5 |
| Hornet Acquisitionco, LLC | 59 |
5 |
| Grant Prideco, Inc. | 407 |
4 |
| Konecranes Global Corporation | 491 |
4 |
| Frigid Fluid Company | 23 |
2 |
| Hans Künz GmbH | 30 |
2 |
| Itrec B.V. | 495 |
2 |
| J. Ray McDermott, S.A. | 61 |
2 |
| National Oilwell Varco Norway AS | 109 |
2 |
| Optilift AS | 5 |
2 |
| Rising Fast Pty Ltd | 3 |
2 |
| Western Mechanical Electrical Millwright Services Limited | 4 |
2 |
| B&R Industrial Automation GmbH | 186 |
2 |
| TONGMYONG UNIVERSITY, Industrial-Academic Cooperation Foundation | 22 |
2 |
| Samsung Electronics Co., Ltd. | 139001 |
1 |
| General Electric Company | 17789 |
1 |
| Deere & Company | 7344 |
1 |
| Airbus France | 235 |
1 |
| Caterpillar Inc. | 9166 |
1 |
| Other owners | 72 |