• All sections
  • G - Physics
  • G01F - Measuring volume, volume flow, mass flow, or liquid level; metering 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: 1044

10-year publication summary

67
88
111
110
121
95
92
45
28
3
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Endress+Hauser GmbH+Co. KG
509
29
Tecan Trading AG
315
25
Hewlett-Packard Development Company, L.P.
28538
22
Eltek S.p.A.
200
20
Vega Grieshaber KG
690
20
Endress+Hauser SE+Co. KG
428
15
Endress+Hauser Se+co.kg
301
11
Samsung Electronics Co., Ltd.
131630
10
Sanofi-Aventis Deutschland GmbH
2738
10
Robert Bosch GmbH
40953
9
Mitsubishi Electric Corporation
43934
9
Endress + Hauser GmbH + Co. KG
181
9
Gen-Probe Incorporated
954
9
Inergy Automotive Systems Research (Societe Anonyme)
222
9
Land Rover
39
9
Jaguar Land Rover Limited
4390
8
Altria Client Services LLC
1866
7
ConvaTec Technologies Inc.
335
7
Semiconductor Components Industries, L.L.C.
5345
6
IFM Electronic GmbH
188
6
Other owners 794