Systems and methods for low power consumption fuel level indication
US-2019376826-A1 · Dec 12, 2019 · US
by floats
by floats · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01F23/30 |
| Official title | by floats |
| Display label | by floats |
| Total patents | 124 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 9 |
| 2017 | 15 |
| 2018 | 11 |
| 2019 | 22 |
| 2020 | 12 |
| 2021 | 12 |
| 2022 | 12 |
| 2023 | 6 |
| 2024 | 9 |
| 2025 | 8 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Functional diagnosis of an electromechanical fill state measuring device
US-10458832-B2 · Oct 29, 2019 · US
Two-Wire Circuit Function By Supply Modulation
US-2019323876-A1 · Oct 24, 2019 · US
Measuring device for micro flow rate and nuclear power plant having the same
US-10453577-B2 · Oct 22, 2019 · US
Multi-channel fluid level sensor
US-10436626-B2 · Oct 8, 2019 · US
Method for calibrating a display of a filling level
US-10436628-B2 · Oct 8, 2019 · US
Liquid surface detecting device and method of manufacturing same
US-2019257684-A1 · Aug 22, 2019 · US
Air conditioner and control method thereof
US-10359204-B2 · Jul 23, 2019 · US
Composite hydrological monitoring system for detecting scour depth, water level and flow velocity
US-10352698-B2 · Jul 16, 2019 · US
Fuel sending unit for fuel-type detection
US-2019170722-A1 · Jun 6, 2019 · US
Fuel tank
US-10295395-B2 · May 21, 2019 · US
Valve assembly
US-2019136770-A1 · May 9, 2019 · US
Fuel fill volume estimation using virtual zone and fuel tank float
US-2019113377-A1 · Apr 18, 2019 · US
Fuel pump assembly
US-10247597-B2 · Apr 2, 2019 · US
Fluid level monitor
US-10247589-B2 · Apr 2, 2019 · US
Fuel fill volume estimation using virtual zone and fuel tank float
US-10240964-B1 · Mar 26, 2019 · US
Liquid cartridge provided with connecting channel providing communication between liquid supply chamber and liquid storage chamber
US-10214021-B2 · Feb 26, 2019 · US
Sensor device for containers of liquid substances
US-2019056321-A1 · Feb 21, 2019 · US
Transformer systems and methods for operating a transformer system
US-2019051443-A1 · Feb 14, 2019 · US
Multi-channel fluid level sensor
US-2019033118-A1 · Jan 31, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01F23/30?
- CPC G01F23/30 is the Cooperative Patent Classification code for “by floats.”
- How many patents are filed under CPC G01F23/30 (by floats)?
- Our database includes 124 publications tagged with this CPC code.
- Is patent activity under CPC G01F23/30 growing?
- Publication counts under this code: 9 in 2024 vs 8 in 2025 (latest complete years).