- All sections
- G - Physics
- G01M - Testing static or dynamic balance of machines or structures; testing of structures or apparatus, not otherwise provided for
- G01M 3/28 - 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 valves
Patent holdings for IPC class G01M 3/28
Total number of patents in this class: 1378
10-year publication summary
|
95
|
109
|
124
|
172
|
155
|
169
|
157
|
159
|
103
|
23
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24990 |
25 |
| Saudi Arabian Oil Company | 11322 |
23 |
| Trinity Bay Equipment Holdings, LLC | 244 |
20 |
| Phyn LLC | 23 |
18 |
| Halliburton Energy Services, Inc. | 20165 |
14 |
| Wint-wi Ltd. | 19 |
13 |
| Streamlabs, Inc. | 68 |
12 |
| Massachusetts Institute of Technology | 9795 |
11 |
| Fisher Controls International LLC | 1520 |
11 |
| Bridger Photonics, Inc. | 46 |
10 |
| International Business Machines Corporation | 60644 |
9 |
| Alarm.com Incorporated | 931 |
9 |
| Pioneer Lining Technology Limited | 32 |
9 |
| Reliance Worldwide Corporation | 303 |
9 |
| Sentinel Hydrosolutions, LLC | 20 |
9 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 196 |
9 |
| Schlumberger Technology Corporation | 9690 |
8 |
| Denso Corporation | 23338 |
8 |
| Atlas Copco Airpower, naamloze vennootschap | 915 |
8 |
| Engineered Corrosion Solutions, LLC | 54 |
8 |
| Other owners | 1135 |