• 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

111
110
121
95
78
43
33
18
46
3
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Endress+Hauser GmbH+Co. KG
446
26
Tecan Trading AG
347
25
Vega Grieshaber KG
762
23
Hewlett-Packard Development Company, L.P.
25471
21
Eltek S.p.A.
201
19
Endress+Hauser SE+Co. KG
537
16
Samsung Electronics Co., Ltd.
151017
11
Endress+Hauser Se+co.kg
357
11
Sanofi-Aventis Deutschland GmbH
2606
10
Robert Bosch GmbH
43244
10
Gen-Probe Incorporated
1010
10
Mitsubishi Electric Corporation
47302
9
KT & G Corporation
2842
9
Land Rover
38
9
Endress + Hauser GmbH + Co. KG
161
8
Jaguar Land Rover Limited
4923
8
LG Electronics Inc.
74262
7
Altria Client Services LLC
2314
7
ConvaTec Technologies Inc.
271
7
IFM Electronic GmbH
219
7
Other owners 789