- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 23/52 - Floating cranes
Patent holdings for IPC class B66C 23/52
Total number of patents in this class: 294
10-year publication summary
14
|
19
|
18
|
27
|
32
|
34
|
29
|
26
|
33
|
10
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Itrec B.V. | 477 |
96 |
Heerema Marine Contractors Nederland SE | 58 |
12 |
Saipem S.p.A. | 513 |
8 |
Gustomsc B.V. | 23 |
8 |
High Wind N.V. | 11 |
6 |
J. Ray McDermott, S.A. | 59 |
6 |
Versabar, Inc. | 48 |
6 |
Siemens Gamesa Renewable Energy A/S | 1647 |
6 |
National Oilwell Varco, L.P. | 1604 |
5 |
National Oilwell Varco Norway AS | 109 |
5 |
Reel | 18 |
5 |
Rolls-Royce Marine AS | 71 |
5 |
Grant Prideco, Inc. | 384 |
4 |
Coastal Cargo Company, LLC | 15 |
3 |
IHC Holland IE B.V. | 277 |
3 |
Deme Offshore BE NV | 44 |
3 |
The United States of America as represented by the Secretary of the Navy | 2734 |
2 |
Korea Advanced Institute of Science and Technology | 3906 |
2 |
Baggermaatschappij Boskalis B.V. | 41 |
2 |
Celtic Design Consultants Limited | 3 |
2 |
Other owners | 105 |