• 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

111
111
121
96
81
44
33
19
46
11
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
430
26
Tecan Trading AG
358
25
Vega Grieshaber KG
767
22
Hewlett-Packard Development Company, L.P.
25184
21
Eltek S.p.A.
205
19
Endress+Hauser SE+Co. KG
580
16
Samsung Electronics Co., Ltd.
157719
11
Endress+Hauser Se+co.kg
374
11
Sanofi-Aventis Deutschland GmbH
2592
10
Robert Bosch GmbH
44160
10
Gen-Probe Incorporated
1039
10
Mitsubishi Electric Corporation
48018
9
Jaguar Land Rover Limited
5091
9
KT & G Corporation
3123
9
Land Rover
38
9
Endress + Hauser GmbH + Co. KG
159
8
LG Electronics Inc.
75694
7
ConvaTec Technologies Inc.
256
7
IFM Electronic GmbH
239
7
Koninklijke Philips N.V.
25856
6
Other owners 787