Patent holdings for IPC class G01B 21/32

Total number of patents in this class: 429

10-year publication summary

19
39
38
42
38
24
28
33
19
23
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Halliburton Energy Services, Inc.
20964
15
NEC Corporation
36108
11
LG Energy Solution, Ltd.
15385
10
The Chugoku Electric Power Co., Inc.
515
6
General Electric Technology GmbH
68
6
Nikon Corporation
7271
5
4iiii Innovations Inc.
36
5
Denso Corporation
24541
4
Hifi Engineering Inc.
131
4
GE Infrastructure Technology, LLC
6250
4
BlackBerry Limited
5350
3
Schlumberger Technology Corporation
10898
3
Schlumberger Canada Limited
7369
3
The Boeing Company
20131
3
Corning Incorporated
10320
3
Omron Corporation
7306
3
Korea Advanced Institute of Science and Technology
4408
3
Aktiebolaget SKF
2986
3
China University of Geosciences (Wuhan)
83
3
King Abdullah University of Science and Technology
1806
3
Other owners 329