- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 13/02 - Devices for facilitating retrieval of floating objects, e.g. for recovering craft from water
Patent holdings for IPC class B66C 13/02
Total number of patents in this class: 193
10-year publication summary
14
|
11
|
20
|
19
|
23
|
6
|
14
|
11
|
8
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Itrec B.V. | 477 |
15 |
National Oilwell Varco Norway AS | 109 |
9 |
Barge Master IP B.V. | 10 |
6 |
Versabar, Inc. | 48 |
6 |
Carraha, Kimberly A. | 11 |
5 |
Chin, Howard M. | 11 |
5 |
Grant Prideco, Inc. | 384 |
5 |
IFP Energies Nouvelles | 2717 |
5 |
National Oilwell Varco, L.P. | 1604 |
5 |
J. Ray McDermott, S.A. | 59 |
4 |
Safelink AS | 11 |
4 |
Ampelmann Holding B.V. | 21 |
3 |
Ixblue | 81 |
3 |
Optilift AS | 5 |
3 |
Saipem S.p.A. | 513 |
3 |
Subsea 7 Norway AS | 85 |
3 |
Technip France | 737 |
3 |
WT Industries, LLC | 6 |
3 |
Sealartec Ltd. | 3 |
3 |
Noble Drilling A/S | 49 |
3 |
Other owners | 97 |