• 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