- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid levelmetering by volume
- G01F 25/20 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
Patent holdings for IPC class G01F 25/20
Total number of patents in this class: 158
10-year publication summary
|
0
|
0
|
0
|
3
|
9
|
20
|
26
|
29
|
24
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vega Grieshaber KG | 768 |
14 |
| Endress+Hauser SE+Co. KG | 521 |
13 |
| Endress+Hauser Se+co.kg | 350 |
12 |
| Rosemount Tank Radar AB | 291 |
9 |
| Pratt & Whitney Canada Corp. | 4804 |
4 |
| BNSF Railway Company | 431 |
4 |
| BASF Coatings GmbH | 1201 |
3 |
| LivaNova Deutschland GmbH | 65 |
3 |
| The Boeing Company | 20098 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 14440 |
2 |
| Aspen Pumps Limited | 135 |
2 |
| Fisher Controls International LLC | 1506 |
2 |
| KEYENCE Corporation | 447 |
2 |
| Rosemount Inc. | 1189 |
2 |
| Simmonds Precision Products, Inc. | 275 |
2 |
| Tatsuno Corporation | 45 |
2 |
| ZF Active Safety GmbH | 231 |
2 |
| Endress+Hauser Group Services AG | 98 |
2 |
| HanJungNCS.CO., LTD | 3 |
2 |
| Hidratesmart LLC | 10 |
2 |
| Other owners | 72 |