• 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
110
121
95
77
43
33
19
46
8
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
444
26
Tecan Trading AG
348
25
Vega Grieshaber KG
761
22
Hewlett-Packard Development Company, L.P.
25370
21
Eltek S.p.A.
202
19
Endress+Hauser SE+Co. KG
553
16
Samsung Electronics Co., Ltd.
153573
11
Endress+Hauser Se+co.kg
360
11
Sanofi-Aventis Deutschland GmbH
2605
10
Robert Bosch GmbH
43554
10
Gen-Probe Incorporated
1015
10
Mitsubishi Electric Corporation
47556
9
KT & G Corporation
2953
9
Land Rover
38
9
Endress + Hauser GmbH + Co. KG
160
8
Jaguar Land Rover Limited
4976
8
LG Electronics Inc.
74953
7
ConvaTec Technologies Inc.
258
7
IFM Electronic GmbH
223
7
Semiconductor Components Industries, L.L.C.
5262
6
Other owners 788