Patent holdings for IPC class G01N 27/90

Total number of patents in this class: 995

10-year publication summary

67
77
102
104
86
60
77
54
61
30
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Halliburton Energy Services, Inc.
20862
58
JENTEK Sensors, Inc.
62
35
The Boeing Company
20042
22
General Electric Company
13811
19
Zetec, Inc.
52
19
Commissariat à l'énergie atomique et aux energies alternatives
10924
16
Mitsubishi Heavy Industries, Ltd.
8694
15
Sintokogio, Ltd.
1166
15
Evident Canada, Inc.
121
15
Baker Hughes Holdings LLC
3004
14
IHI Corporation
3416
12
Evident Scientific, Inc.
175
11
Institut Dr. Foerster GmbH & Co. KG
34
9
Westinghouse Electric Company LLC
1136
9
Electricite de France
733
8
Saudi Arabian Oil Company
12997
8
LG Energy Solution, Ltd.
14807
8
Sumitomo Chemical Company, Limited
9040
7
Scan Systems Corp., DBA Scan Systems
14
7
Sumitomo Metal Industries, Ltd.
383
7
Other owners 681