- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid levelmetering by volume
- G01F 23/26 - 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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
Patent holdings for IPC class G01F 23/26
Total number of patents in this class: 1039
10-year publication summary
|
88
|
111
|
110
|
121
|
95
|
79
|
43
|
33
|
18
|
40
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Endress+Hauser GmbH+Co. KG | 454 |
26 |
| Tecan Trading AG | 345 |
25 |
| Vega Grieshaber KG | 773 |
23 |
| Hewlett-Packard Development Company, L.P. | 25637 |
21 |
| Eltek S.p.A. | 200 |
19 |
| Endress+Hauser SE+Co. KG | 529 |
16 |
| Endress+Hauser Se+co.kg | 356 |
12 |
| Samsung Electronics Co., Ltd. | 148584 |
11 |
| Sanofi-Aventis Deutschland GmbH | 2612 |
10 |
| Robert Bosch GmbH | 42941 |
10 |
| Mitsubishi Electric Corporation | 46757 |
9 |
| Gen-Probe Incorporated | 1004 |
9 |
| Land Rover | 38 |
9 |
| Endress + Hauser GmbH + Co. KG | 163 |
8 |
| Jaguar Land Rover Limited | 4842 |
8 |
| LG Electronics Inc. | 73818 |
7 |
| Altria Client Services LLC | 2250 |
7 |
| ConvaTec Technologies Inc. | 295 |
7 |
| KT & G Corporation | 2714 |
7 |
| Semiconductor Components Industries, L.L.C. | 5285 |
6 |
| Other owners | 789 |