- 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: 471
10-year publication summary
|
33
|
36
|
59
|
61
|
61
|
52
|
44
|
36
|
30
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 18406 |
26 |
| The Boeing Company | 19843 |
21 |
| LG Energy Solution, Ltd. | 10813 |
10 |
| Otis Elevator Company | 2677 |
8 |
| Samsung Display Co., Ltd. | 30585 |
7 |
| Inventio AG | 2314 |
6 |
| Rosemount Aerospace Inc. | 747 |
6 |
| International Business Machines Corporation | 60644 |
5 |
| Hitachi, Ltd. | 16452 |
5 |
| Trinity Bay Equipment Holdings, LLC | 244 |
5 |
| Danfoss A/S | 1259 |
5 |
| Hewlett-Packard Development Company, L.P. | 28538 |
4 |
| Kabushiki Kaisha Atsumitec | 62 |
4 |
| QuantaEd, LLC | 37 |
4 |
| University of Houston System | 1005 |
4 |
| Coloplast A/S | 1927 |
4 |
| Analog Devices International Unlimited Company | 1724 |
4 |
| Rtx Corporation | 8674 |
4 |
| Apple Inc. | 50209 |
3 |
| The Regents of the University of California | 18943 |
3 |
| Other owners | 333 |