Patent holdings for IPC class B66C 13/02

Total number of patents in this class: 196

10-year publication summary

11
20
19
23
6
14
11
8
6
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Itrec B.V.
493
16
National Oilwell Varco Norway AS
108
9
Barge Master IP B.V.
11
6
Grant Prideco, Inc.
405
6
Gatorfur, LLC
42
6
Carraha, Kimberly A.
11
5
Chin, Howard M.
11
5
IFP Energies Nouvelles
2818
5
National Oilwell Varco, L.P.
1625
5
J. Ray McDermott, S.A.
60
4
Safelink AS
11
4
Ampelmann Holding B.V.
22
3
Ixblue
82
3
Optilift AS
5
3
Saipem S.p.A.
510
3
Subsea 7 Norway AS
86
3
Technip France
717
3
WT Industries, LLC
6
3
Sealartec Ltd.
3
3
Noble Drilling A/S
48
3
Other owners 98