- All sections
- G - Physics
- G01M - Testing static or dynamic balance of machines or structures; testing of structures or apparatus, not otherwise provided for
- G01M 3/22 - 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 for valves
Patent holdings for IPC class G01M 3/22
Total number of patents in this class: 462
10-year publication summary
|
45
|
38
|
43
|
39
|
38
|
37
|
47
|
51
|
41
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| INFICON GmbH | 209 |
30 |
| Gaztransport et Technigaz | 514 |
18 |
| Pfeiffer Vacuum | 153 |
10 |
| GasPorOx AB | 43 |
7 |
| Lonza Ltd. | 609 |
7 |
| Wilco AG | 43 |
7 |
| Red Rhino of FL, Inc. | 11 |
7 |
| Engineered Corrosion Solutions, LLC | 54 |
6 |
| FT System S.r.l. | 35 |
6 |
| Picarro, Inc. | 69 |
6 |
| GE Infrastructure Technology, LLC | 5873 |
6 |
| Hoffmann-La Roche Inc. | 3060 |
5 |
| Automotive Test Solutions, Inc. | 11 |
5 |
| INFICON GmbH | 59 |
5 |
| Itron, Inc. | 815 |
5 |
| Sartorius Stedim FMT SAS | 165 |
5 |
| The Procter & Gamble Company | 22178 |
4 |
| F. Hoffmann-La Roche AG | 7958 |
4 |
| Toyota Motor Corporation | 28582 |
4 |
| The Boeing Company | 19843 |
4 |
| Other owners | 311 |