- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid levelmetering 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: 375
10-year publication summary
|
3
|
4
|
13
|
22
|
55
|
58
|
56
|
58
|
74
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KT & G Corporation | 3000 |
13 |
| Gen-Probe Incorporated | 1022 |
9 |
| Japan Aviation Electronics Industry, Limited | 1830 |
9 |
| Vega Grieshaber KG | 761 |
8 |
| Altria Client Services LLC | 2369 |
7 |
| Safran AeroSystems | 290 |
7 |
| LG Electronics Inc. | 75160 |
6 |
| Tecan Trading AG | 354 |
6 |
| Endress+Hauser Se+co.kg | 365 |
6 |
| Seiko Epson Corporation | 20043 |
5 |
| Microchip Technology Incorporated | 3221 |
5 |
| STRATEC SE | 104 |
5 |
| Charles Austen Pumps Limited | 54 |
4 |
| Heineken Supply Chain B.V. | 363 |
4 |
| Shanghai Kohler Electronics, Ltd. | 148 |
4 |
| KegSpeed LLC | 18 |
4 |
| The Boeing Company | 20094 |
3 |
| Sanofi-Aventis Deutschland GmbH | 2600 |
3 |
| NGK Insulators, Ltd. | 5215 |
3 |
| ASM IP Holding B.V. | 2301 |
3 |
| Other owners | 261 |