• 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: 1042

10-year publication summary

88
111
110
121
95
79
43
33
18
46
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
452
26
Tecan Trading AG
346
25
Vega Grieshaber KG
767
23
Hewlett-Packard Development Company, L.P.
25585
21
Eltek S.p.A.
201
19
Endress+Hauser SE+Co. KG
530
16
Endress+Hauser Se+co.kg
357
12
Samsung Electronics Co., Ltd.
149087
11
Sanofi-Aventis Deutschland GmbH
2612
10
Robert Bosch GmbH
43063
10
Gen-Probe Incorporated
1008
10
Mitsubishi Electric Corporation
46926
9
KT & G Corporation
2740
9
Land Rover
38
9
Endress + Hauser GmbH + Co. KG
162
8
Jaguar Land Rover Limited
4883
8
LG Electronics Inc.
73772
7
Altria Client Services LLC
2279
7
ConvaTec Technologies Inc.
282
7
IFM Electronic GmbH
216
7
Other owners 788