- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 7/18 - Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference by allowing the material to react
Patent holdings for IPC class G01N 7/18
Total number of patents in this class: 21
10-year publication summary
|
5
|
3
|
0
|
0
|
2
|
1
|
1
|
0
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20449 |
2 |
| Geoservices Equipements | 60 |
2 |
| Saudi Basic Industries Corporation | 590 |
1 |
| Showa Denko K.K. | 2336 |
1 |
| Amphenol Thermometrics, Inc. | 63 |
1 |
| Apeel Technology, Inc., DBA Apeel Sciences, Inc. | 170 |
1 |
| ASM IP Holding B.V. | 1901 |
1 |
| Carbon Control Systems Inc. | 3 |
1 |
| Endress + Hauser Conducta GmbH + Co. KG | 318 |
1 |
| Guangdong Brunp Recycling Technology Co., Ltd | 984 |
1 |
| HTE GmbH The High Throughput Experimentation Company | 55 |
1 |
| Hunan Brunp Recycling Technology Co., Ltd. | 947 |
1 |
| Umicore | 599 |
1 |
| Voestalpine Stahl GmbH | 347 |
1 |
| Wuhan Cubic Optoelectronics Co., Ltd. | 3 |
1 |
| Xiamen University | 516 |
1 |
| Framatome | 167 |
1 |
| Sominex | 4 |
1 |
| KOROL, Oleg | 1 |
1 |
| Other owners | 0 |