- 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: 55
10-year publication summary
|
8
|
2
|
3
|
8
|
0
|
4
|
4
|
4
|
5
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Itrec B.V. | 497 |
9 |
| Korea Advanced Institute of Science and Technology | 4222 |
4 |
| Illinois Tool Works Inc. | 11413 |
2 |
| Ernst-b. Johansen AS | 6 |
2 |
| Heerema Marine Contractors Nederland SE | 59 |
2 |
| J. Ray McDermott, S.A. | 61 |
2 |
| National Oilwell Varco, L.P. | 1628 |
2 |
| Saipem S.p.A. | 512 |
2 |
| Technip France | 714 |
2 |
| WT Industries, LLC | 6 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2729 |
1 |
| Brandt Equipment Solutions Ltd. | 3 |
1 |
| Goodcrane Corporation | 2 |
1 |
| Grant Prideco, Inc. | 411 |
1 |
| Liebherr-Werk Nenzing GmbH | 90 |
1 |
| Matt Lottman | 1 |
1 |
| Mhwirth AS | 126 |
1 |
| Mhwirth GmbH | 55 |
1 |
| Oceaneering International, Inc. | 420 |
1 |
| Seaonics AS | 8 |
1 |
| Other owners | 16 |