Liquid level detection device of liquid supplying facility, liquid level detection method of liquid supplying facility, and liquid supplying facility having the liquid level detection device
US-10495495-B2 · Dec 3, 2019 · US
Indicating, recording or alarm devices actuated electrically
Indicating, recording or alarm devices actuated electrically · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01F23/18 |
| Official title | Indicating, recording or alarm devices actuated electrically |
| Display label | Indicating, recording or alarm devices actuated electrically |
| Total patents | 173 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 8 |
| 2017 | 13 |
| 2018 | 15 |
| 2019 | 18 |
| 2020 | 16 |
| 2021 | 22 |
| 2022 | 13 |
| 2023 | 16 |
| 2024 | 19 |
| 2025 | 21 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for electronic fluid measurement
US-2019350188-A1 · Nov 21, 2019 · US
System and method for electronic fluid measurement
US-2019343107-A1 · Nov 14, 2019 · US
Apparatus and Method for Measuring Level
US-2019316950-A1 · Oct 17, 2019 · US
Enabling access to data
US-10445484-B2 · Oct 15, 2019 · US
Means for implementing a method for detecting and compensating for a rapid temperature change in a pressure measuring cell
US-2019293509-A1 · Sep 26, 2019 · US
Apparatus for extracorporeal blood treatment and a control method therefor
US-10391225-B2 · Aug 27, 2019 · US
Wireless liquid gauging system
US-2019162574-A1 · May 30, 2019 · US
Feedback for water consuming appliance
US-2019087510-A1 · Mar 21, 2019 · US
Pneumatic grain level sensor and method therefore
US-10231381-B2 · Mar 19, 2019 · US
Optically powered remotely interrogated liquid gauging system
US-2019072446-A1 · Mar 7, 2019 · US
Systems and Methods for Determining a Fuel Level Measurement of a Fuel Tank Using Optical Sensors
US-2019049280-A1 · Feb 14, 2019 · US
Single-piece transfer arm structure for analytical instrumentation
US-2019041416-A1 · Feb 7, 2019 · US
Water level sensing apparatus and method for controlling clothes treatment apparatus comprising same
US-2019024297-A1 · Jan 24, 2019 · US
Liquid level detection device of liquid supplying facility, liquid level detection method of liquid supplying facility, and liquid supplying facility having the liquid level detection device
US-2019025099-A1 · Jan 24, 2019 · US
Extracorporeal circulation management device with blood level detection in a reservoir without a sensor
US-2019001045-A1 · Jan 3, 2019 · US
Method and apparatus for detecting the liquid level in a liquid reservoir
US-2018356271-A1 · Dec 13, 2018 · US
Pressure-based method and system for measuring the density and height of a fluidized bed
US-2018345308-A1 · Dec 6, 2018 · US
Systems and methods for determining a fuel level measurement of a fuel tank using optical sensor
US-10126158-B2 · Nov 13, 2018 · US
Novel cap for refillable tote
US-2018319587-A1 · Nov 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01F23/18?
- CPC G01F23/18 is the Cooperative Patent Classification code for “Indicating, recording or alarm devices actuated electrically.”
- How many patents are filed under CPC G01F23/18 (Indicating, recording or alarm devices actuated electrically)?
- Our database includes 173 publications tagged with this CPC code.
- Is patent activity under CPC G01F23/18 growing?
- Publication counts under this code: 19 in 2024 vs 21 in 2025 (latest complete years).