Patent holdings for IPC class G01R 33/44

Total number of patents in this class: 1295

10-year publication summary

79
109
147
115
153
118
107
66
69
13
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Hyperfine Operations, Inc.
168
105
Halliburton Energy Services, Inc.
20165
86
Schlumberger Technology Corporation
9690
75
Siemens Healthineers AG
5714
68
Koninklijke Philips N.V.
22975
56
Saudi Arabian Oil Company
11322
51
Schlumberger Canada Limited
6913
29
Schlumberger Technology B.v.
4951
28
Services Petroliers Schlumberger
5426
28
Case Western Reserve University
1727
17
General Electric Company
18133
16
Baker Hughes Incorporated
5689
15
Aramco Services Company
3504
15
T2 Biosystems, Inc.
127
15
Synaptive Medical Inc.
619
15
Hyperfine Research, Inc.
41
12
The Regents of the University of California
18943
11
Chevron U.S.A. Inc.
3774
11
FUJIFILM Healthcare Corporation
924
11
Massachusetts Institute of Technology
9795
9
Other owners 622