- 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: 527
10-year publication summary
|
59
|
61
|
61
|
52
|
45
|
36
|
33
|
34
|
34
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17488 |
26 |
| The Boeing Company | 20160 |
21 |
| LG Energy Solution, Ltd. | 18838 |
16 |
| Samsung Display Co., Ltd. | 38570 |
8 |
| Otis Elevator Company | 2694 |
8 |
| Rosemount Aerospace Inc. | 780 |
6 |
| International Business Machines Corporation | 62621 |
5 |
| Hitachi, Ltd. | 16071 |
5 |
| Inventio AG | 2404 |
5 |
| Coloplast A/S | 1928 |
5 |
| Analog Devices International Unlimited Company | 2022 |
5 |
| Flexsteel USA, LLC | 166 |
5 |
| Hewlett-Packard Development Company, L.P. | 25216 |
4 |
| Kabushiki Kaisha Atsumitec | 55 |
4 |
| University of Houston System | 1122 |
4 |
| Belron International Limited | 229 |
4 |
| Hempel A/S | 280 |
4 |
| Apple Inc. | 58705 |
3 |
| The Regents of the University of California | 20720 |
3 |
| SK Hynix Inc. | 12452 |
3 |
| Other owners | 383 |