• All sections
  • G - Physics
  • G01F - Measuring volume, volume flow, mass flow, or liquid level; metering by volume
  • G01F 23/263 - 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 by measuring variations in capacitance of capacitors

Patent holdings for IPC class G01F 23/263

Total number of patents in this class: 258

10-year publication summary

1
3
3
12
20
47
53
51
55
8
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Gen-Probe Incorporated
999
11
Vega Grieshaber KG
725
7
Japan Aviation Electronics Industry, Limited
1667
5
Microchip Technology Incorporated
2705
5
Tecan Trading AG
325
5
Altria Client Services LLC
2026
4
Charles Austen Pumps Limited
46
4
Goodrich Corporation
2088
4
Shanghai Kohler Electronics, Ltd.
142
4
The Boeing Company
19900
3
Sanofi-Aventis Deutschland GmbH
2604
3
Seiko Epson Corporation
18966
3
NGK Insulators, Ltd.
4782
3
ASM IP Holding B.V.
1874
3
Aspen Pumps Limited
135
3
Eltek S.p.A.
201
3
Heineken Supply Chain B.V.
342
3
Nippon Pillar Packing Co., Ltd.
261
3
Pitco Frialator, Inc.
51
3
Zobele Holding S.p.A.
362
3
Other owners 176