- All sections
- B - Performing operationstransporting
- B66C - Cranesload-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 23/53 - Floating cranes including counterweight or means to compensate for list, trim, or skew of the vessel or platform
Patent holdings for IPC class B66C 23/53
Total number of patents in this class: 58
10-year publication summary
|
8
|
2
|
3
|
8
|
0
|
4
|
4
|
5
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5
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Itrec B.V. | 502 |
10 |
| Korea Advanced Institute of Science and Technology | 4304 |
4 |
| Illinois Tool Works Inc. | 11370 |
2 |
| Ernst-b. Johansen AS | 6 |
2 |
| Heerema Marine Contractors Nederland SE | 58 |
2 |
| J. Ray McDermott, S.A. | 61 |
2 |
| National Oilwell Varco, L.P. | 1640 |
2 |
| Saipem S.p.A. | 514 |
2 |
| Technip France | 706 |
2 |
| Terex South Dakota, Inc. | 122 |
2 |
| WT Industries, LLC | 6 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2731 |
1 |
| Brandt Equipment Solutions Ltd. | 3 |
1 |
| Goodcrane Corporation | 2 |
1 |
| Grant Prideco, Inc. | 375 |
1 |
| Liebherr-Werk Nenzing GmbH | 92 |
1 |
| Matt Lottman | 1 |
1 |
| Mhwirth AS | 128 |
1 |
| Mhwirth GmbH | 54 |
1 |
| Oceaneering International, Inc. | 425 |
1 |
| Other owners | 17 |