- 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: 22
10-year publication summary
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3
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0
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0
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2
|
1
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1
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0
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2
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21338 |
2 |
| Geoservices Equipements | 57 |
2 |
| Schlumberger Technology Corporation | 11818 |
1 |
| Saudi Basic Industries Corporation | 524 |
1 |
| Showa Denko K.K. | 2069 |
1 |
| Amphenol Thermometrics, Inc. | 63 |
1 |
| Apeel Technology, Inc., DBA Apeel Sciences, Inc. | 182 |
1 |
| ASM IP Holding B.V. | 2397 |
1 |
| Carbon Control Systems Inc. | 3 |
1 |
| Endress + Hauser Conducta GmbH + Co. KG | 364 |
1 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1265 |
1 |
| HTE GmbH The High Throughput Experimentation Company | 62 |
1 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1226 |
1 |
| Umicore | 775 |
1 |
| Voestalpine Stahl GmbH | 388 |
1 |
| Wuhan Cubic Optoelectronics Co., Ltd. | 3 |
1 |
| Xiamen University | 576 |
1 |
| Framatome | 203 |
1 |
| Sominex | 4 |
1 |
| KOROL, Oleg | 1 |
1 |
| Other owners | 0 |