- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 27/82 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
Patent holdings for IPC class G01N 27/82
Total number of patents in this class: 789
10-year publication summary
|
64
|
65
|
68
|
59
|
52
|
36
|
48
|
37
|
30
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21338 |
22 |
| Shimadzu Corporation | 6340 |
21 |
| Southwest Research Institute | 745 |
16 |
| Gecko Robotics, Inc. | 136 |
16 |
| The Charles Stark Draper Laboratory, Inc. | 945 |
10 |
| JENTEK Sensors, Inc. | 63 |
10 |
| Compagnie Generale des Etablissements Michelin | 4970 |
9 |
| Illinois Tool Works Inc. | 11863 |
8 |
| Sumitomo Chemical Company, Limited | 9016 |
8 |
| Compagnie générale des établissements Michelin SCA | 2716 |
8 |
| Industry-Academic Cooperation Foundation, Chosun University | 317 |
8 |
| Speir Hunter Ltd. | 13 |
8 |
| Tokyo Rope Manufacturing Co., Ltd. | 43 |
8 |
| General Electric Company | 13899 |
7 |
| Schlumberger Technology Corporation | 11818 |
7 |
| The Boeing Company | 20160 |
7 |
| Hitachi, Ltd. | 16094 |
7 |
| Mettler-Toledo Safeline Ltd. | 60 |
7 |
| Nippon Steel Corporation | 6871 |
7 |
| Safran Aircraft Engines | 6694 |
7 |
| Other owners | 588 |