- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 23/12 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the material being a flowing fluid or a flowing granular solid
Patent holdings for IPC class G01N 23/12
Total number of patents in this class: 156
10-year publication summary
14
|
8
|
7
|
8
|
11
|
7
|
9
|
1
|
4
|
0
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens AG | 24568 |
8 |
Services Petroliers Schlumberger | 5639 |
8 |
Schlumberger Technology Corporation | 10284 |
7 |
Schlumberger Canada Limited | 7161 |
7 |
Schlumberger Technology B.v. | 5080 |
7 |
MineSense Technologies Ltd. | 59 |
7 |
Schlumberger Holdings Limited | 2866 |
6 |
Delta SubSea LLC | 27 |
6 |
Robert Bosch GmbH | 41823 |
5 |
Prad Research and Development Limited | 2696 |
5 |
Troxler Electronic Laboratories, Inc. | 81 |
4 |
Marel Iceland ehf | 58 |
3 |
University of Johannesburg | 39 |
3 |
Shell Internationale Research Maatschappij B.V. | 3724 |
2 |
Shell Oil Company | 2153 |
2 |
Commissariat à l'énergie atomique et aux energies alternatives | 10693 |
2 |
DePuy International Limited | 128 |
2 |
Geoservices Equipements | 60 |
2 |
M-flow Technologies Ltd | 27 |
2 |
OneSubsea IP UK Limited | 399 |
2 |
Other owners | 66 |