- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 9/24 - Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing the transmission of wave or particle radiation through the material
Patent holdings for IPC class G01N 9/24
Total number of patents in this class: 383
10-year publication summary
30
|
29
|
24
|
26
|
31
|
21
|
20
|
23
|
19
|
11
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Tracerco Limited | 76 |
11 |
Troxler Electronic Laboratories, Inc. | 86 |
9 |
Cidra Corporate Services, Inc. | 208 |
7 |
Johnson Matthey Public Limited Company | 1852 |
6 |
Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | 529 |
6 |
Endress+Hauser Se+co.kg | 301 |
6 |
Delta SubSea LLC | 27 |
5 |
Vega Grieshaber KG | 690 |
5 |
General Electric Company | 18133 |
4 |
Schlumberger Technology Corporation | 9690 |
4 |
Schlumberger Canada Limited | 6913 |
4 |
Schlumberger Technology B.v. | 4951 |
4 |
The Boeing Company | 19843 |
4 |
Berthold Technologies GmbH & Co. KG | 28 |
4 |
Contemporary Amperex Technology Co., Limited | 5805 |
4 |
Johns Manville | 980 |
4 |
Services Petroliers Schlumberger | 5426 |
4 |
Simmonds Precision Products, Inc. | 286 |
4 |
Endress+Hauser SE+Co. KG | 428 |
4 |
Schlumberger Holdings Limited | 2947 |
3 |
Other owners | 281 |