- All sections
- G - Physics
- G01M - Testing static or dynamic balance of machines or structurestesting of structures or apparatus, not otherwise provided for
- G01M 3/28 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for valves
Patent holdings for IPC class G01M 3/28
Total number of patents in this class: 1497
10-year publication summary
100
|
118
|
161
|
147
|
156
|
154
|
154
|
105
|
91
|
84
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens AG | 24346 |
30 |
Saudi Arabian Oil Company | 13442 |
26 |
Phyn LLC | 24 |
19 |
Flexsteel USA, LLC | 164 |
16 |
Halliburton Energy Services, Inc. | 20991 |
15 |
Wint-wi Ltd. | 19 |
13 |
Sentinel Hydrosolutions, LLC | 25 |
12 |
Streamlabs, Inc. | 69 |
12 |
Massachusetts Institute of Technology | 10121 |
11 |
Fisher Controls International LLC | 1506 |
11 |
BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 216 |
11 |
Bridger Photonics, Inc. | 52 |
10 |
International Business Machines Corporation | 61616 |
9 |
Alarm.com Incorporated | 983 |
9 |
Reliance Worldwide Corporation | 330 |
9 |
The University of Adelaide | 160 |
9 |
Schlumberger Technology Corporation | 10930 |
8 |
Aramco Services Company | 4042 |
8 |
Atlas Copco Airpower, naamloze vennootschap | 1035 |
8 |
Engineered Corrosion Solutions, LLC | 60 |
8 |
Other owners | 1243 |