• 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
77
43
33
19
46
5
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
348
25
Vega Grieshaber KG
765
22
Hewlett-Packard Development Company, L.P.
25419
21
Eltek S.p.A.
202
19
Endress+Hauser SE+Co. KG
547
16
Samsung Electronics Co., Ltd.
152534
11
Endress+Hauser Se+co.kg
358
11
Sanofi-Aventis Deutschland GmbH
2611
10
Robert Bosch GmbH
43428
10
Gen-Probe Incorporated
1012
10
Mitsubishi Electric Corporation
47461
9
KT & G Corporation
2947
9
Land Rover
38
9
Endress + Hauser GmbH + Co. KG
161
8
Jaguar Land Rover Limited
4950
8
LG Electronics Inc.
74705
7
ConvaTec Technologies Inc.
265
7
IFM Electronic GmbH
221
7
Semiconductor Components Industries, L.L.C.
5274
6
Other owners 791