- 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: 676
10-year publication summary
|
52
|
61
|
48
|
50
|
45
|
50
|
48
|
49
|
56
|
48
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| INFICON GmbH | 217 |
99 |
| Pfeiffer Vacuum | 193 |
35 |
| Redline Detection, LLC | 34 |
11 |
| The Boeing Company | 20232 |
8 |
| Ateq | 103 |
8 |
| INFICON GmbH | 38 |
8 |
| SMC Corporation | 1405 |
8 |
| Contemporary Amperex Technology Co., Limited | 10746 |
7 |
| Fukuda Co., Ltd. | 22 |
7 |
| Gaztransport et Technigaz | 638 |
7 |
| Picarro, Inc. | 68 |
7 |
| Yamaha Fine Technologies Co., Ltd. | 69 |
7 |
| Camfil AB | 237 |
6 |
| KITZ Corporation | 211 |
6 |
| NOK Corporation | 2351 |
6 |
| Spectronics Corporation | 37 |
6 |
| SunCoke Technology and Development LLC | 225 |
6 |
| Red Rhino of FL, Inc. | 12 |
6 |
| Marunaka Co., Ltd. | 8 |
5 |
| Rebellion Photonics, Inc. | 99 |
5 |
| Other owners | 418 |