- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid levelmetering by volume
- G01F 23/20 - 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 measurement of weight, e.g. to determine the level of stored liquefied gas
Patent holdings for IPC class G01F 23/20
Total number of patents in this class: 193
10-year publication summary
|
12
|
16
|
22
|
22
|
16
|
20
|
17
|
20
|
10
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Herdstar, LLC | 13 |
7 |
| Osborne Industries, Inc. | 37 |
6 |
| BNSF Railway Company | 482 |
5 |
| Deere & Company | 7804 |
4 |
| Ecolab USA Inc. | 5627 |
4 |
| Nanolike | 17 |
4 |
| Glitchbit, LLC | 5 |
3 |
| King Saud University | 456 |
3 |
| Kidde-Fenwal, LLC | 94 |
3 |
| Halliburton Energy Services, Inc. | 21124 |
2 |
| Amgen Inc. | 4275 |
2 |
| Koninklijke Philips N.V. | 25246 |
2 |
| Wistron Corporation | 2373 |
2 |
| B/E Aerospace, Inc. | 1694 |
2 |
| Buhler AG | 523 |
2 |
| C. R. Bard, Inc. | 1771 |
2 |
| Edwards Vacuum LLC | 181 |
2 |
| Gambro Lundia AB | 1355 |
2 |
| G.D S.p.A. | 1131 |
2 |
| Owens-Brockway Glass Container Inc. | 785 |
2 |
| Other owners | 132 |