- 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: 514
10-year publication summary
|
35
|
53
|
61
|
59
|
48
|
44
|
34
|
30
|
32
|
31
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17739 |
26 |
| The Boeing Company | 20151 |
22 |
| LG Energy Solution, Ltd. | 15720 |
15 |
| Samsung Display Co., Ltd. | 36065 |
8 |
| Otis Elevator Company | 2658 |
8 |
| Inventio AG | 2381 |
6 |
| Rosemount Aerospace Inc. | 780 |
6 |
| International Business Machines Corporation | 61738 |
5 |
| Hitachi, Ltd. | 15655 |
5 |
| Coloplast A/S | 1900 |
5 |
| Flexsteel USA, LLC | 164 |
5 |
| Hewlett-Packard Development Company, L.P. | 25607 |
4 |
| Kabushiki Kaisha Atsumitec | 62 |
4 |
| University of Houston System | 1097 |
4 |
| Belron International Limited | 211 |
4 |
| Hempel A/S | 281 |
4 |
| Analog Devices International Unlimited Company | 1963 |
4 |
| Apple Inc. | 56170 |
3 |
| The Regents of the University of California | 20245 |
3 |
| SK Hynix Inc. | 11629 |
3 |
| Other owners | 370 |