- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 27/22 - Measuring resistance of fluids
Patent holdings for IPC class G01R 27/22
Total number of patents in this class: 160
10-year publication summary
|
9
|
11
|
15
|
15
|
11
|
9
|
8
|
14
|
6
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Endress + Hauser Conducta GmbH + Co. KG | 348 |
5 |
| NxStage Medical, Inc. | 293 |
5 |
| Fresenius Medical Care Holdings, Inc. | 1423 |
4 |
| Shock Alert LLC | 14 |
4 |
| NGK Insulators, Ltd. | 4973 |
3 |
| Shimadzu Corporation | 6183 |
3 |
| The Board of Regents of the University of Texas System | 2212 |
3 |
| HI Fidelity Genetics, Inc. | 4 |
3 |
| Halliburton Energy Services, Inc. | 20924 |
2 |
| Hewlett-Packard Development Company, L.P. | 25850 |
2 |
| Robert Bosch GmbH | 42721 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 31598 |
2 |
| Battelle Memorial Institute | 2494 |
2 |
| Bitron S.p.A. | 103 |
2 |
| Endress+Hauser Conducta Gesellschaft; für Mess- und Regeltechnik mbH+Co. KG | 108 |
2 |
| Franklin Sensors, Inc. | 27 |
2 |
| Frymaster L.L.C. | 62 |
2 |
| Haemonetics Corporation | 254 |
2 |
| KROHNE Messtechnik GmbH | 212 |
2 |
| KYB Corporation | 1361 |
2 |
| Other owners | 106 |