- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 11/04 - Investigating flow properties of materials, e.g. viscosity or plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture
Patent holdings for IPC class G01N 11/04
Total number of patents in this class: 334
10-year publication summary
14
|
31
|
26
|
28
|
17
|
24
|
29
|
34
|
34
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Saudi Arabian Oil Company | 11322 |
21 |
Halliburton Energy Services, Inc. | 20165 |
10 |
Konica Minolta Opto, Inc. | 1179 |
7 |
Aramco Services Company | 3504 |
7 |
Endress + Hauser Flowtec AG | 585 |
6 |
Delta SubSea LLC | 27 |
5 |
JFE Steel Corporation | 6067 |
5 |
Schlumberger Technology Corporation | 9690 |
4 |
The Regents of the University of Michigan | 4409 |
4 |
Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | 1806 |
4 |
Texas Tech University System | 507 |
4 |
Haemograph Pty Ltd | 9 |
4 |
Centre National de La Recherche Scientifique | 9632 |
3 |
Hewlett-Packard Development Company, L.P. | 28538 |
3 |
Robert Bosch GmbH | 40953 |
3 |
Chevron Phillips Chemical Company LP | 1779 |
3 |
Dynisco Instruments LLC | 17 |
3 |
Ecole Polytechnique Federale de Lausanne (epfl) | 1434 |
3 |
SPECTRO Scientific, Inc. | 42 |
3 |
The Texas a & M University System | 1519 |
3 |
Other owners | 229 |