- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 27/40 - Semi-permeable membranes or partitions
Patent holdings for IPC class G01N 27/40
Total number of patents in this class: 215
10-year publication summary
|
22
|
20
|
21
|
11
|
22
|
13
|
13
|
11
|
12
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DexCom, Inc. | 1667 |
15 |
| President and Fellows of Harvard College | 6002 |
9 |
| Endress + Hauser Conducta GmbH + Co. KG | 347 |
9 |
| Mimos Bhd. | 968 |
7 |
| SulfiLogger A/S | 8 |
5 |
| Fcet, Inc. | 9 |
4 |
| Roche Sequencing Solutions, Inc. | 660 |
4 |
| F. Hoffmann-La Roche AG | 7948 |
3 |
| Honeywell International Inc. | 13561 |
3 |
| Robert Bosch GmbH | 42815 |
3 |
| ARKRAY, Inc. | 867 |
3 |
| University of Ottawa | 214 |
3 |
| UT-Battelle, LLC | 1468 |
3 |
| Unisense A/S | 6 |
3 |
| Niterra Co., Ltd. | 1311 |
3 |
| Samsung Electronics Co., Ltd. | 147787 |
2 |
| Schlumberger Technology Corporation | 10898 |
2 |
| Siemens AG | 24352 |
2 |
| Abbott Diabetes Care Inc. | 2042 |
2 |
| Abbott Point Of Care Inc. | 318 |
2 |
| Other owners | 128 |