- All sections
- G - Physics
- G01M - Testing static or dynamic balance of machines or structures; testing of structures or apparatus, not otherwise provided for
- G01M 3/40 - Investigating fluid tightness of structures by using electric means, e.g. by observing electric discharges
Patent holdings for IPC class G01M 3/40
Total number of patents in this class: 319
10-year publication summary
|
13
|
19
|
30
|
38
|
57
|
36
|
33
|
22
|
19
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Electro Scan, Inc. | 14 |
7 |
| HS Labs, Inc. | 23 |
6 |
| GSE Environmental, LLC | 23 |
5 |
| Packaging Technologies & Inspection LLC | 22 |
5 |
| United Services Automobile Association (USAA) | 2514 |
5 |
| GEA Food Solutions Germany GmbH | 177 |
4 |
| National University of Singapore | 2228 |
4 |
| Technip France | 737 |
4 |
| Sensor (UK) Ltd | 10 |
4 |
| Coloplast A/S | 1927 |
4 |
| Packaging Technologies and Inspection, LLC | 9 |
4 |
| Kairos Water, Inc. | 8 |
4 |
| Halliburton Energy Services, Inc. | 20165 |
3 |
| Dell Products L.P. | 11144 |
3 |
| Afitex International | 20 |
3 |
| Hiperbaric, S.A. | 21 |
3 |
| PaneraTech, Inc. | 31 |
3 |
| Rheem Manufacturing Company | 861 |
3 |
| Yumin System Technology Co., Ltd. | 16 |
3 |
| Square Robot, Inc. | 17 |
3 |
| Other owners | 239 |