- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 11/00 - Investigating flow properties of materials, e.g. viscosity or plasticityAnalysing materials by determining flow properties
Patent holdings for IPC class G01N 11/00
Total number of patents in this class: 1142
10-year publication summary
|
69
|
79
|
85
|
83
|
90
|
64
|
80
|
65
|
58
|
62
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20977 |
33 |
| Saudi Arabian Oil Company | 13428 |
33 |
| Schlumberger Technology Corporation | 10914 |
30 |
| C a Casyso GmbH | 52 |
18 |
| Schlumberger Canada Limited | 7373 |
15 |
| Micro Motion, Inc. | 1020 |
15 |
| Anton Paar GmbH | 184 |
11 |
| Services Petroliers Schlumberger | 5835 |
11 |
| Schlumberger Technology B.v. | 5189 |
10 |
| Hydramotion Limited | 26 |
10 |
| Rheosense, Inc. | 17 |
9 |
| ExxonMobil Research And Engineering Company | 2562 |
8 |
| Centre National de La Recherche Scientifique | 10576 |
8 |
| Verifi LLC | 63 |
8 |
| Schlumberger Holdings Limited | 2800 |
7 |
| Dynisco Instruments LLC | 24 |
7 |
| Endress + Hauser Flowtec AG | 610 |
7 |
| International Business Machines Corporation | 61596 |
6 |
| Chevron U.S.A. Inc. | 4004 |
6 |
| The General Hospital Corporation | 4781 |
6 |
| Other owners | 884 |