- All sections
- G - Physics
- G01H - Measurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves
- G01H 3/04 - Frequency
Patent holdings for IPC class G01H 3/04
Total number of patents in this class: 75
10-year publication summary
|
1
|
15
|
11
|
13
|
6
|
6
|
0
|
8
|
4
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BP Exploration Operating Company Limited | 257 |
6 |
| PASSERRO GmbH | 15 |
4 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 437 |
3 |
| Schlumberger Technology Corporation | 11798 |
2 |
| Rockwell Automation Technologies, Inc. | 2801 |
2 |
| ABB Schweiz AG | 7590 |
2 |
| Asahi Kasei Microdevices Corporation | 587 |
2 |
| Fluke Corporation | 1000 |
2 |
| Karsten Manufacturing Corporation | 3276 |
2 |
| The University of Adelaide | 170 |
2 |
| Versitech Limited | 335 |
2 |
| Hdwb, LLC | 10 |
2 |
| FUJIFILM Business Innovation Corp. | 7916 |
2 |
| Halliburton Energy Services, Inc. | 21320 |
1 |
| Siemens AG | 24033 |
1 |
| LG Electronics Inc. | 75654 |
1 |
| Electronics and Telecommunications Research Institute | 9670 |
1 |
| Perkins Engines Company Limited | 301 |
1 |
| ZF Friedrichshafen AG | 7235 |
1 |
| Pioneer Corporation | 3782 |
1 |
| Other owners | 35 |