- 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: 159
10-year publication summary
14
|
7
|
7
|
8
|
11
|
7
|
9
|
1
|
4
|
3
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens AG | 24409 |
8 |
Services Petroliers Schlumberger | 5827 |
8 |
Schlumberger Technology Corporation | 10868 |
7 |
Schlumberger Canada Limited | 7363 |
7 |
Schlumberger Technology B.v. | 5187 |
7 |
MineSense Technologies Ltd. | 63 |
7 |
Schlumberger Holdings Limited | 2808 |
6 |
Delta SubSea LLC | 28 |
6 |
Robert Bosch GmbH | 42813 |
5 |
Prad Research and Development Limited | 2692 |
5 |
Troxler Electronic Laboratories, Inc. | 76 |
4 |
Marel Iceland ehf | 68 |
3 |
University of Johannesburg | 42 |
3 |
Shell Internationale Research Maatschappij B.V. | 3553 |
2 |
Shell Oil Company | 2138 |
2 |
Commissariat à l'énergie atomique et aux energies alternatives | 10941 |
2 |
DePuy International Limited | 109 |
2 |
Geoservices Equipements | 58 |
2 |
M-flow Technologies Ltd | 27 |
2 |
OneSubsea IP UK Limited | 423 |
2 |
Other owners | 69 |