• All sections
  • G - Physics
  • G01M - Testing static or dynamic balance of machines or structurestesting 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 pipes, cables, or tubesInvestigating 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 pipe joints or sealsInvestigating 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: 553

10-year publication summary

43
39
38
37
47
54
44
42
47
22
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
INFICON GmbH
214
36
Gaztransport et Technigaz
629
18
Pfeiffer Vacuum
184
14
FT System S.r.l.
32
9
Hoffmann-La Roche Inc.
3793
8
GasPorOx AB
48
8
Red Rhino of FL, Inc.
12
8
Lonza Ltd.
586
7
Wilco AG
45
7
F. Hoffmann-La Roche AG
7837
6
Engineered Corrosion Solutions, LLC
61
6
Itron, Inc.
983
6
Picarro, Inc.
68
6
Ultra Clean Holdings, Inc.
21
6
GE Infrastructure Technology, LLC
6171
6
The Boeing Company
20160
5
Automotive Test Solutions, Inc.
12
5
INFICON GmbH
39
5
The Procter & Gamble Company
21855
4
Honda Motor Co., Ltd.
26025
4
Other owners 379