Patent holdings for IPC class G01N 11/04

Total number of patents in this class: 350

10-year publication summary

31
26
28
18
24
29
36
37
21
9
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Saudi Arabian Oil Company
12947
21
Halliburton Energy Services, Inc.
20835
9
Konica Minolta Opto, Inc.
1092
7
Aramco Services Company
3929
7
Endress + Hauser Flowtec AG
608
7
JFE Steel Corporation
6809
6
Schlumberger Technology Corporation
10662
5
Delta SubSea LLC
27
5
Weatherford Technology Holdings, LLC
2015
4
Dynisco Instruments LLC
24
4
Shenzhen Mindray Bio-Medical Electronics Co., Ltd.
1917
4
Texas Tech University System
569
4
Centre National de La Recherche Scientifique
10408
3
Hewlett-Packard Development Company, L.P.
25910
3
The Regents of the University of Michigan
4676
3
Chevron Phillips Chemical Company LP
1837
3
Ecole Polytechnique Federale de Lausanne (epfl)
1536
3
Saint-Gobain Isover
633
3
SPECTRO Scientific, Inc.
42
3
The Texas a & M University System
1684
3
Other owners 243