- 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: 308
10-year publication summary
|
16
|
34
|
23
|
18
|
22
|
28
|
11
|
8
|
10
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hach Company | 432 |
7 |
| F. Hoffmann-La Roche AG | 7875 |
6 |
| The Regents of the University of California | 20378 |
6 |
| Ecolab USA Inc. | 5663 |
5 |
| Roche Diagnostics GmbH | 2696 |
4 |
| Medtronic MiniMed, Inc. | 1798 |
4 |
| Infineon Technologies AG | 8319 |
4 |
| The Board of Trustees of the Leland Stanford Junior University | 6587 |
4 |
| ALVEO Technologies Inc. | 54 |
4 |
| Ascensia Diabetes Care Holdings AG | 599 |
4 |
| Endress + Hauser Conducta GmbH + Co. KG | 355 |
4 |
| Honeywell International Inc. | 13561 |
3 |
| Centre National de La Recherche Scientifique | 10805 |
3 |
| Bayer HealthCare LLC | 1325 |
3 |
| Applied Materials, Inc. | 19683 |
3 |
| Element Six Technologies Limited | 203 |
3 |
| Meso Scale Technologies, LLC | 427 |
3 |
| MSA Auer GmbH | 16 |
3 |
| Roche Diabetes Care, Inc. | 1491 |
3 |
| Siemens Healthcare Diagnostics Inc. | 2124 |
3 |
| Other owners | 229 |