- All sections
- G - Physics
- G01M - Testing static or dynamic balance of machines or structurestesting of structures or apparatus, not otherwise provided for
- G01M 3/20 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
Patent holdings for IPC class G01M 3/20
Total number of patents in this class: 618
10-year publication summary
|
39
|
48
|
57
|
47
|
47
|
42
|
48
|
47
|
48
|
38
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| INFICON GmbH | 216 |
96 |
| Pfeiffer Vacuum | 167 |
29 |
| Redline Detection, LLC | 32 |
11 |
| Ateq | 90 |
8 |
| INFICON GmbH | 41 |
8 |
| The Boeing Company | 20139 |
7 |
| Gaztransport et Technigaz | 592 |
7 |
| Picarro, Inc. | 68 |
7 |
| SMC Corporation | 1367 |
7 |
| Yamaha Fine Technologies Co., Ltd. | 63 |
7 |
| Camfil AB | 233 |
6 |
| Fukuda Co., Ltd. | 19 |
6 |
| KITZ Corporation | 211 |
6 |
| SunCoke Technology and Development LLC | 240 |
6 |
| Wilco AG | 47 |
6 |
| Contemporary Amperex Technology Co., Limited | 7296 |
5 |
| NOK Corporation | 2237 |
5 |
| Spectronics Corporation | 32 |
5 |
| MultiSensor Scientific, Inc. | 22 |
5 |
| Red Rhino of FL, Inc. | 11 |
5 |
| Other owners | 376 |