Patent holdings for IPC class G01N 11/02

Total number of patents in this class: 307

10-year publication summary

30
27
28
22
29
28
28
23
17
10
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Halliburton Energy Services, Inc.
20835
12
Schlumberger Technology Corporation
10662
9
Schlumberger Canada Limited
7273
8
Saudi Arabian Oil Company
12947
7
Schlumberger Technology B.v.
5161
6
Services Petroliers Schlumberger
5772
6
Rheosense, Inc.
17
5
Schlumberger Holdings Limited
2835
4
Samsung Display Co., Ltd.
34472
4
Prad Research and Development Limited
2693
4
Royal Melbourne Institute of Technology
159
4
The University of Melbourne
536
4
Amgen Inc.
4071
3
The Administrators of the Tulane Educational Fund
392
3
Endress+Hauser Flowtec AG
826
3
SCR Engineers Ltd
78
3
Abbott Toxicology Limited
16
3
LG Chem, Ltd.
17594
2
Robert Bosch GmbH
42614
2
GM Global Technology Operations LLC
14937
2
Other owners 213