- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/53 - Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
Patent holdings for IPC class G01N 21/53
Total number of patents in this class: 1193
10-year publication summary
116
|
126
|
111
|
105
|
92
|
107
|
64
|
84
|
51
|
29
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Carrier Corporation | 4358 |
29 |
Hochiki Corporation | 156 |
25 |
Robert Bosch GmbH | 42505 |
19 |
Iris International, Inc. | 53 |
15 |
Valor Fire Safety, LLC | 17 |
14 |
Garrett Thermal Systems Limited | 52 |
14 |
Sony Corporation | 31138 |
12 |
Panasonic Intellectual Property Management Co., Ltd. | 31022 |
12 |
Sysmex Corporation | 1439 |
11 |
Wyatt Technology, LLC | 135 |
11 |
Honeywell International Inc. | 13562 |
10 |
Life Technologies Corporation | 3273 |
10 |
Beckman Coulter, Inc. | 1256 |
10 |
Bridger Photonics, Inc. | 50 |
10 |
The Regents of the University of California | 19839 |
8 |
Centre National de La Recherche Scientifique | 10350 |
8 |
Commissariat à l'énergie atomique et aux energies alternatives | 10879 |
8 |
Endress + Hauser Conducta GmbH + Co. KG | 341 |
8 |
Kidde Technologies, Inc. | 297 |
8 |
Malvern PANalytical Limited | 110 |
8 |
Other owners | 943 |