- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 31/22 - Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroups; Apparatus specially adapted for such methods using chemical indicators
Patent holdings for IPC class G01N 31/22
Total number of patents in this class: 2273
10-year publication summary
|
198
|
185
|
157
|
191
|
184
|
209
|
185
|
140
|
126
|
31
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hach Company | 403 |
57 |
| 3m Innovative Properties Company | 18406 |
34 |
| Precision Planting LLC | 925 |
34 |
| Ecolab USA Inc. | 5190 |
31 |
| American Sterilizer Company | 654 |
20 |
| Kimberly-clark Worldwide, Inc. | 5854 |
19 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
19 |
| Temptime Corporation | 169 |
18 |
| Sakura Color Products Corporation | 265 |
16 |
| Solventum Intellectual Properties Company | 2681 |
16 |
| The Regents of the University of California | 18943 |
14 |
| Abbott Diabetes Care Inc. | 1821 |
13 |
| Centre National de La Recherche Scientifique | 9632 |
13 |
| General Electric Company | 18133 |
12 |
| LG Chem, Ltd. | 17205 |
12 |
| Dräger Safety AG & Co. KGaA | 401 |
12 |
| Horizon Therapeutics, LLC | 25 |
12 |
| The Boeing Company | 19843 |
11 |
| LaMotte Chemical Products Company | 31 |
11 |
| Life Technologies Corporation | 3068 |
10 |
| Other owners | 1889 |