- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 27/20 - Investigating the presence of flaws
Patent holdings for IPC class G01N 27/20
Total number of patents in this class: 504
10-year publication summary
|
36
|
59
|
61
|
61
|
52
|
44
|
36
|
30
|
33
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17849 |
26 |
| The Boeing Company | 20013 |
22 |
| LG Energy Solution, Ltd. | 14424 |
14 |
| Otis Elevator Company | 2659 |
8 |
| Samsung Display Co., Ltd. | 34230 |
7 |
| Inventio AG | 2371 |
6 |
| Rosemount Aerospace Inc. | 768 |
6 |
| International Business Machines Corporation | 61023 |
5 |
| Hitachi, Ltd. | 15434 |
5 |
| Coloplast A/S | 1885 |
5 |
| Flexsteel USA, LLC | 161 |
5 |
| Hewlett-Packard Development Company, L.P. | 25954 |
4 |
| QuantaEd, LLC | 34 |
4 |
| University of Houston System | 1074 |
4 |
| Belron International Limited | 210 |
4 |
| Analog Devices International Unlimited Company | 1876 |
4 |
| Rtx Corporation | 9297 |
4 |
| Apple Inc. | 54479 |
3 |
| The Regents of the University of California | 19812 |
3 |
| SK Hynix Inc. | 11222 |
3 |
| Other owners | 362 |