- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 29/28 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details providing acoustic coupling
Patent holdings for IPC class G01N 29/28
Total number of patents in this class: 691
10-year publication summary
|
48
|
57
|
80
|
50
|
55
|
69
|
72
|
39
|
40
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20031 |
36 |
| Gecko Robotics, Inc. | 109 |
23 |
| Baker Hughes Holdings LLC | 3005 |
16 |
| Verifi Technologies, LLC | 59 |
16 |
| Evident Canada, Inc. | 118 |
14 |
| General Electric Company | 13829 |
12 |
| GE Sensing & Inspection Technologies GmbH | 93 |
12 |
| Saudi Arabian Oil Company | 12947 |
10 |
| Toshiba Corporation | 12317 |
9 |
| Airbus Operations Limited | 1259 |
8 |
| Edison Welding Institute, Inc. | 101 |
7 |
| Renishaw plc | 763 |
7 |
| Baker Hughes, a GE Company, LLC | 2114 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8685 |
6 |
| Hitachi Power Solutions Co., Ltd. | 97 |
6 |
| Nordson Corporation | 1199 |
6 |
| Permasense Limited | 17 |
6 |
| Olympus NDT Canada Inc. | 27 |
5 |
| BAE SYSTEMS plc | 2334 |
5 |
| Beijing Institute of Technology | 368 |
5 |
| Other owners | 475 |