- 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
|
11
|
16
|
16
|
11
|
9
|
10
|
14
|
6
|
2
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Endress + Hauser Conducta GmbH + Co. KG | 364 |
5 |
| NxStage Medical, Inc. | 297 |
5 |
| Fresenius Medical Care Holdings, Inc. | 1427 |
4 |
| Shock Alert LLC | 15 |
4 |
| NGK Insulators, Ltd. | 5239 |
3 |
| Shimadzu Corporation | 6347 |
3 |
| The Board of Regents of the University of Texas System | 2300 |
3 |
| HI Fidelity Genetics, Inc. | 4 |
3 |
| Halliburton Energy Services, Inc. | 21320 |
2 |
| Merck Patent GmbH | 5729 |
2 |
| Hewlett-Packard Development Company, L.P. | 25180 |
2 |
| Robert Bosch GmbH | 44176 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
2 |
| Battelle Memorial Institute | 2601 |
2 |
| Endress+Hauser Conducta Gesellschaft; für Mess- und Regeltechnik mbH+Co. KG | 94 |
2 |
| Franklin Sensors, Inc. | 29 |
2 |
| Frymaster L.L.C. | 64 |
2 |
| Georg Fischer Signet LLC | 34 |
2 |
| Haemonetics Corporation | 253 |
2 |
| KROHNE Messtechnik GmbH | 233 |
2 |
| Other owners | 106 |