- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid level; metering by volume
- G01F 23/02 - 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 gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid
Patent holdings for IPC class G01F 23/02
Total number of patents in this class: 192
10-year publication summary
|
8
|
16
|
16
|
25
|
22
|
27
|
25
|
17
|
15
|
4
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bayer HealthCare LLC | 1439 |
7 |
| Meso Scale Technologies, LLC | 316 |
5 |
| Daikin Industries, Ltd. | 8772 |
4 |
| HYDAC Accessories GmbH | 46 |
4 |
| Luneta, LLC | 15 |
4 |
| Oil-rite Corporation | 25 |
4 |
| GEMS Sensors, Inc. | 26 |
3 |
| Glitchbit, LLC | 8 |
3 |
| KT & G Corporation | 1222 |
3 |
| Saint-Gobain Abrasifs | 629 |
3 |
| Saint-Gobain Abrasives, Inc. | 885 |
3 |
| Saudi Arabian Oil Company | 9877 |
3 |
| Trico Corporation | 36 |
3 |
| Tarco Trazabilidad SPA | 3 |
3 |
| 3m Innovative Properties Company | 20663 |
2 |
| Illinois Tool Works Inc. | 10983 |
2 |
| Altria Client Services LLC | 1568 |
2 |
| BNSF Railway Company | 215 |
2 |
| Clark-Reliance Corporation | 6 |
2 |
| Cryoport, Inc. | 108 |
2 |
| Other owners | 128 |