Patent holdings for IPC class G01V 1/28

Total number of patents in this class: 3919

10-year publication summary

216
199
174
215
159
184
144
159
188
131
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Schlumberger Canada Limited
7408
402
Schlumberger Technology Corporation
10976
293
Saudi Arabian Oil Company
13540
272
Chevron U.S.A. Inc.
4011
190
WesternGeco L.L.C.
559
180
ExxonMobil Upstream Research Company
2384
165
Services Petroliers Schlumberger
5857
156
Halliburton Energy Services, Inc.
21019
146
Geco Technology B.V.
346
130
Schlumberger Technology B.v.
5206
112
CGG Services SA
424
95
Geoquest Systems B.V.
785
95
Landmark Graphics Corporation
1524
93
ConocoPhillips Company
1682
73
BP Corporation North America Inc.
750
65
Aramco Services Company
4068
57
PGS Geophysical AS
536
56
Prad Research and Development Limited
2688
49
WesternGeco Seismic Holdings Limited
82
46
Schlumberger Holdings Limited
2795
39
Other owners 1205