Patent holdings for IPC class G01V 1/28

Total number of patents in this class: 3970

10-year publication summary

219
199
235
183
196
149
176
201
153
38
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Schlumberger Canada Limited
7558
407
Schlumberger Technology Corporation
11485
303
Saudi Arabian Oil Company
13953
270
Chevron U.S.A. Inc.
4092
191
WesternGeco L.L.C.
554
179
ExxonMobil Upstream Research Company
2335
162
Services Petroliers Schlumberger
5977
159
Halliburton Energy Services, Inc.
21217
149
Geco Technology B.V.
346
130
Schlumberger Technology B.v.
5267
113
Geoquest Systems B.V.
847
97
CGG Services SA
430
95
Landmark Graphics Corporation
1510
93
ConocoPhillips Company
1689
71
BP Corporation North America Inc.
746
68
Aramco Services Company
4162
58
PGS Geophysical AS
528
54
Prad Research and Development Limited
2679
49
WesternGeco Seismic Holdings Limited
81
46
Schlumberger Holdings Limited
2735
39
Other owners 1237