- 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 waves; Visualisation 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: 648
10-year publication summary
|
30
|
48
|
57
|
80
|
50
|
55
|
68
|
71
|
36
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19843 |
36 |
| Gecko Robotics, Inc. | 92 |
20 |
| Baker Hughes Holdings LLC | 3060 |
16 |
| Verifi Technologies, LLC | 62 |
15 |
| GE Sensing & Inspection Technologies GmbH | 95 |
13 |
| General Electric Company | 18133 |
11 |
| Evident Canada, Inc. | 72 |
11 |
| Saudi Arabian Oil Company | 11322 |
9 |
| Airbus Operations Limited | 1157 |
8 |
| Edison Welding Institute, Inc. | 101 |
8 |
| Toshiba Corporation | 12017 |
7 |
| Baker Hughes, a GE Company, LLC | 2171 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
6 |
| Nordson Corporation | 1246 |
6 |
| Permasense Limited | 16 |
6 |
| Renishaw plc | 739 |
6 |
| Olympus NDT Canada Inc. | 32 |
5 |
| BAE SYSTEMS plc | 2215 |
5 |
| DolphiTech AS | 43 |
5 |
| GE Inspection Technologies, GmbH | 22 |
5 |
| Other owners | 443 |