- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/80 - Indicating pH value
Patent holdings for IPC class G01N 21/80
Total number of patents in this class: 423
10-year publication summary
38
|
46
|
36
|
38
|
39
|
47
|
47
|
39
|
35
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Kimberly-clark Worldwide, Inc. | 5854 |
8 |
Ecolab USA Inc. | 5190 |
8 |
Hach Company | 403 |
6 |
Smith & Nephew plc | 779 |
6 |
Samsung Electronics Co., Ltd. | 131630 |
5 |
International Business Machines Corporation | 60644 |
5 |
Centre National de La Recherche Scientifique | 9632 |
5 |
bioMerieux, Inc. | 391 |
5 |
Endress + Hauser Conducta GmbH + Co. KG | 292 |
5 |
Mozarc Medical US LLC | 323 |
5 |
Halliburton Energy Services, Inc. | 20165 |
4 |
Becton, Dickinson and Company | 6712 |
4 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
4 |
Bonraybio Co., Ltd. | 38 |
4 |
The University of Tokyo | 3903 |
4 |
Healthy.io Ltd | 77 |
4 |
Olympus Corporation | 13667 |
3 |
PRC-DeSoto International, Inc. | 567 |
3 |
Agency for Science, Technology and Research | 3512 |
3 |
The Board of Trustees of the University of Illinois | 2623 |
3 |
Other owners | 329 |