- 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: 2279
10-year publication summary
|
185
|
157
|
191
|
184
|
210
|
187
|
140
|
127
|
109
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hach Company | 413 |
64 |
| Precision Planting LLC | 1016 |
43 |
| 3m Innovative Properties Company | 17957 |
34 |
| Ecolab USA Inc. | 5341 |
31 |
| American Sterilizer Company | 663 |
22 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10692 |
20 |
| Kimberly-clark Worldwide, Inc. | 5515 |
19 |
| Temptime Corporation | 166 |
19 |
| Sakura Color Products Corporation | 263 |
16 |
| Solventum Intellectual Properties Company | 3311 |
15 |
| Abbott Diabetes Care Inc. | 1912 |
13 |
| Centre National de La Recherche Scientifique | 10102 |
13 |
| General Electric Company | 17789 |
12 |
| LG Chem, Ltd. | 17639 |
12 |
| The Regents of the University of California | 19517 |
12 |
| Dräger Safety AG & Co. KGaA | 407 |
12 |
| Horizon Therapeutics, LLC | 25 |
12 |
| The Boeing Company | 19911 |
11 |
| LaMotte Chemical Products Company | 31 |
11 |
| The Board of Trustees of the University of Illinois | 2666 |
10 |
| Other owners | 1878 |