Dairy cowshed monitoring system and method thereof
US-2019239484-A1 · Aug 8, 2019 · US
Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01F9/00 |
| Official title | Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine |
| Display label | Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine |
| Total patents | 117 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 16 |
| 2017 | 16 |
| 2018 | 19 |
| 2019 | 11 |
| 2020 | 12 |
| 2021 | 8 |
| 2022 | 7 |
| 2023 | 9 |
| 2024 | 5 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Speed optimality analysis for evaluating the optimality of a powertrain
US-2018372057-A1 · Dec 27, 2018 · US
Monitoring of a line system
US-10155262-B2 · Dec 18, 2018 · US
Calibration apparatus and sensitivity determining module for virturl flow meter and associated method
US-2018356275-A1 · Dec 13, 2018 · US
Systems and methods for fuel level estimation
US-10107672-B2 · Oct 23, 2018 · US
Method for turbine component qualification
US-10104313-B2 · Oct 16, 2018 · US
Operating fluid container having a stiffening element
US-10099549-B2 · Oct 16, 2018 · US
Fuel consumption-measuring system and method for measuring the fuel consumption of an internal combustion engine
US-10094345-B2 · Oct 9, 2018 · US
Tank device, a vehicle, and a method for evaluating an output of a pressure sensor
US-10060897-B2 · Aug 28, 2018 · US
Methods and systems for direct fuel quantity measurement
US-10060781-B2 · Aug 28, 2018 · US
Flow rate measurement device, fuel efficiency measurement device, program for flow rate measurement device and flow rate measurement method
US-10041406-B2 · Aug 7, 2018 · US
System and method for monitoring fluid flow in a conduit
US-10031012-B2 · Jul 24, 2018 · US
Methods and devices for determination of flow reservoir volume
US-10010674-B2 · Jul 3, 2018 · US
Machine system having fuel consumption monitoring
US-9939301-B2 · Apr 10, 2018 · US
System and Method for Monitoring Fluid Flow in a Conduit
US-2018094958-A1 · Apr 5, 2018 · US
Method of operating an internal combustion engine connected to an electric generator
US-9926862-B2 · Mar 27, 2018 · US
Mining vehicle monitoring and control system
US-2018082579-A1 · Mar 22, 2018 · US
Managing vehicle refueling operations
US-2018052467-A1 · Feb 22, 2018 · US
Systems and methods for fuel level estimation
US-2018017430-A1 · Jan 18, 2018 · US
Method for turbine component qualification
US-2018013959-A1 · Jan 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01F9/00?
- CPC G01F9/00 is the Cooperative Patent Classification code for “Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine.”
- How many patents are filed under CPC G01F9/00 (Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine)?
- Our database includes 117 publications tagged with this CPC code.
- Is patent activity under CPC G01F9/00 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).