- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 27/49 - Systems involving the determination of the current at a single specific value, or small range of values, of applied voltage for producing selective measurement of one or more particular ionic species
Patent holdings for IPC class G01N 27/49
Total number of patents in this class: 342
10-year publication summary
|
14
|
29
|
16
|
37
|
24
|
18
|
22
|
31
|
12
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hach Company | 403 |
7 |
| F. Hoffmann-La Roche AG | 7958 |
6 |
| The Regents of the University of California | 18943 |
6 |
| Ecolab USA Inc. | 5190 |
5 |
| Roche Diagnostics GmbH | 2745 |
4 |
| Bayer HealthCare LLC | 1415 |
4 |
| Medtronic MiniMed, Inc. | 1808 |
4 |
| Infineon Technologies AG | 8189 |
4 |
| The Board of Trustees of the Leland Stanford Junior University | 6054 |
4 |
| ALVEO Technologies Inc. | 56 |
4 |
| Ascensia Diabetes Care Holdings AG | 623 |
4 |
| Isis Innovation Limited | 543 |
4 |
| Oxford Biosensors Limited | 24 |
4 |
| Siemens AG | 24990 |
3 |
| Honeywell International Inc. | 13799 |
3 |
| Centre National de La Recherche Scientifique | 9632 |
3 |
| Applied Materials, Inc. | 16587 |
3 |
| Anaxsys Technology Limited | 11 |
3 |
| Element Six Technologies Limited | 179 |
3 |
| Endress + Hauser Conducta GmbH + Co. KG | 292 |
3 |
| Other owners | 261 |