- All sections
- G - Physics
- G01R - Measuring electric variables; measuring magnetic variables
- G01R 27/22 - Measuring resistance of fluids
Patent holdings for IPC class G01R 27/22
Total number of patents in this class: 158
10-year publication summary
10
|
9
|
11
|
16
|
16
|
10
|
9
|
9
|
14
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Endress + Hauser Conducta GmbH + Co. KG | 292 |
5 |
Fresenius Medical Care Holdings, Inc. | 1354 |
4 |
Shock Alert LLC | 14 |
4 |
NGK Insulators, Ltd. | 4589 |
3 |
Shimadzu Corporation | 5791 |
3 |
NxStage Medical, Inc. | 294 |
3 |
The Board of Regents of the University of Texas System | 2043 |
3 |
HI Fidelity Genetics, Inc. | 6 |
3 |
Halliburton Energy Services, Inc. | 20165 |
2 |
Hewlett-Packard Development Company, L.P. | 28538 |
2 |
Robert Bosch GmbH | 40953 |
2 |
Battelle Memorial Institute | 2356 |
2 |
Bitron S.p.A. | 105 |
2 |
Endress+Hauser Conducta Gesellschaft; für Mess- und Regeltechnik mbH+Co. KG | 115 |
2 |
Franklin Sensors, Inc. | 23 |
2 |
Frymaster L.L.C. | 64 |
2 |
Haemonetics Corporation | 250 |
2 |
KROHNE Messtechnik GmbH | 207 |
2 |
KYB Corporation | 1278 |
2 |
Parker-Hannifin Corporation | 999 |
2 |
Other owners | 106 |