- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/71 - Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
Patent holdings for IPC class G01N 21/71
Total number of patents in this class: 681
10-year publication summary
|
46
|
50
|
69
|
68
|
60
|
84
|
81
|
52
|
63
|
13
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| National Research Council of Canada | 1475 |
26 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10526 |
19 |
| SciAps, Inc. | 33 |
16 |
| Elemental Scientific, Inc. | 204 |
15 |
| FOSS Analytical A/S | 164 |
14 |
| Robert Bosch GmbH | 40184 |
13 |
| Centre National de La Recherche Scientifique | 9183 |
9 |
| Thermo Scientific Portable Analytical Instruments Inc. | 105 |
9 |
| House of Metals Company Limited | 31 |
9 |
| Sigma Labs, Inc. | 51 |
8 |
| The Boeing Company | 20376 |
7 |
| Applied Spectra, Inc. | 14 |
7 |
| Centre de Recherches Metallurgiques ASBL - Centrum voor Research in de Metallurgie VZW | 43 |
7 |
| Huazhong University of Science and Technology | 821 |
7 |
| Halliburton Energy Services, Inc. | 19734 |
6 |
| IFP Energies Nouvelles | 2684 |
6 |
| Outotec (Finland) Oy | 573 |
6 |
| TSI Incorporated | 168 |
6 |
| Metrohm Spectro, Inc. | 54 |
6 |
| Siemens AG | 26307 |
5 |
| Other owners | 480 |