- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid levelmetering by volume
- G01F 23/64 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type
Patent holdings for IPC class G01F 23/64
Total number of patents in this class: 67
10-year publication summary
|
18
|
8
|
13
|
8
|
8
|
2
|
7
|
3
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| E9 Treatments, Inc. | 7 |
6 |
| King Saud University | 519 |
3 |
| Setra Systems LLC | 55 |
3 |
| NEC Corporation | 37312 |
2 |
| Pratt & Whitney Canada Corp. | 5528 |
2 |
| AMTROL Licensing Inc. | 212 |
2 |
| King Abdullah University of Science and Technology | 1868 |
2 |
| Newpark Drilling Fluids LLC | 44 |
2 |
| Saudi Arabian Oil Company | 14349 |
2 |
| Vega Grieshaber KG | 778 |
2 |
| Endress+Hauser Group Services AG | 108 |
2 |
| Resideo USA LLC | 1278 |
2 |
| Airbus Operations GmbH | 3458 |
1 |
| Continental Automotive GmbH | 4459 |
1 |
| Agar Corporation Ltd. | 14 |
1 |
| Aptar France SAS | 850 |
1 |
| Aramco Services Company | 4192 |
1 |
| BSH Bosch und Siemens Hausgerate GmbH | 2402 |
1 |
| Continental Automotive France | 601 |
1 |
| Des-Case Corporation | 47 |
1 |
| Other owners | 29 |