- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid level; metering 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: 1044
10-year publication summary
67
|
88
|
111
|
110
|
121
|
95
|
92
|
45
|
28
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Endress+Hauser GmbH+Co. KG | 509 |
29 |
Tecan Trading AG | 315 |
25 |
Hewlett-Packard Development Company, L.P. | 28538 |
22 |
Eltek S.p.A. | 200 |
20 |
Vega Grieshaber KG | 690 |
20 |
Endress+Hauser SE+Co. KG | 428 |
15 |
Endress+Hauser Se+co.kg | 301 |
11 |
Samsung Electronics Co., Ltd. | 131630 |
10 |
Sanofi-Aventis Deutschland GmbH | 2738 |
10 |
Robert Bosch GmbH | 40953 |
9 |
Mitsubishi Electric Corporation | 43934 |
9 |
Endress + Hauser GmbH + Co. KG | 181 |
9 |
Gen-Probe Incorporated | 954 |
9 |
Inergy Automotive Systems Research (Societe Anonyme) | 222 |
9 |
Land Rover | 39 |
9 |
Jaguar Land Rover Limited | 4390 |
8 |
Altria Client Services LLC | 1866 |
7 |
ConvaTec Technologies Inc. | 335 |
7 |
Semiconductor Components Industries, L.L.C. | 5345 |
6 |
IFM Electronic GmbH | 188 |
6 |
Other owners | 794 |