Patent holdings for IPC class G01V 3/34

Total number of patents in this class: 387

10-year publication summary

23
37
33
29
34
18
11
10
12
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Halliburton Energy Services, Inc.
21338
92
Schlumberger Technology Corporation
11818
43
Baker Hughes Incorporated
4934
36
Schlumberger Canada Limited
7606
21
Schlumberger Technology B.v.
5298
21
Services Petroliers Schlumberger
6024
21
Schlumberger Holdings Limited
2699
13
Prad Research and Development Limited
2661
13
Saudi Arabian Oil Company
14235
13
Well Resolutions Technology
40
11
Baker Hughes, a GE Company, LLC
2056
8
Merlin Technology, Inc.
168
7
Baker Hughes Oilfield Operations, LLC
2527
7
Smith International, Inc.
695
4
Chevron U.S.A. Inc.
4140
3
CMTE Development Limited
36
3
Expro North Sea Limited
227
3
Board of Regents, The University of Texas System
6107
2
CGG Services SA
434
2
Evolution Engineering Inc.
301
2
Other owners 62