Converting a directly measured mass flow rate to account for buoyancy
US-11885658-B2 · Jan 30, 2024 · US
Direct mass flowmeters
Direct mass flowmeters · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01F1/78 |
| Official title | Direct mass flowmeters |
| Display label | Direct mass flowmeters |
| Total patents | 65 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 6 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 9 |
| 2020 | 9 |
| 2021 | 8 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combustion Apparatus with Mass Flow Sensor
US-2024018921-A1 · Jan 18, 2024 · US
Hydrocarbon absorbing air filter box
US-2023398485-A1 · Dec 14, 2023 · US
Autonomous optimization of single-well and multi-well gas lift
US-11773700-B2 · Oct 3, 2023 · US
Hydrocarbon absorbing air filter box
US-11738297-B2 · Aug 29, 2023 · US
Mass flow meters/controllers and methods having improved accuracy
US-2023213369-A1 · Jul 6, 2023 · US
Coriolis effect-based mass flow meters/controllers using optical sensing and methods having improved accuracy
US-11624640-B2 · Apr 11, 2023 · US
Ultrasonic mass fuel flow meter
US-2023066926-A1 · Mar 2, 2023 · US
System and method for remote metering station sensor calibration and verification
US-11346697-B2 · May 31, 2022 · US
Ultrasonic Mass Fuel Flow Meter
US-2022034695-A1 · Feb 3, 2022 · US
Converting a directly measured mass flow rate to account for buoyancy
US-2022026254-A1 · Jan 27, 2022 · US
Mass flow meters/controllers and methods having improved accuracy
US-2021396564-A1 · Dec 23, 2021 · US
Ultrasonic mass fuel flow meter
US-11181406-B2 · Nov 23, 2021 · US
Vibronic measuring system for measuring a mass flow rate
US-11125596-B2 · Sep 21, 2021 · US
Autonomous optimization of single-well and multi-well gas lift
US-2021198988-A1 · Jul 1, 2021 · US
Ultrasonic Mass Fuel Flow Meter
US-2021164816-A1 · Jun 3, 2021 · US
Inlet flow measurement structure for an industrial gas turbine
US-10989235-B2 · Apr 27, 2021 · US
Automated system for remote inline concentration of ultra-low concentrations in pure chemicals
US-10942096-B2 · Mar 9, 2021 · US
Method for producing individual dosing quantities via a drum dosing device
US-10919651-B2 · Feb 16, 2021 · US
Radiometric fill level measuring device with reference scintillator
US-2020371256-A1 · Nov 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01F1/78?
- CPC G01F1/78 is the Cooperative Patent Classification code for “Direct mass flowmeters.”
- How many patents are filed under CPC G01F1/78 (Direct mass flowmeters)?
- Our database includes 65 publications tagged with this CPC code.
- Is patent activity under CPC G01F1/78 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).