Thermally responsive cooling flow meters
US-2019376414-A1 · Dec 12, 2019 · US
of gases to be measured
of gases to be measured · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01F15/04 |
| Official title | of gases to be measured |
| Display label | of gases to be measured |
| Total patents | 106 |
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 | 9 |
| 2016 | 4 |
| 2017 | 17 |
| 2018 | 14 |
| 2019 | 17 |
| 2020 | 8 |
| 2021 | 12 |
| 2022 | 14 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Airflow measuring device
US-10466084-B2 · Nov 5, 2019 · US
Thermal flowmeter
US-2019323871-A1 · Oct 24, 2019 · US
Gas meter
US-10451465-B2 · Oct 22, 2019 · US
Mass air flow sensor with absolute pressure compensation
US-2019293467-A1 · Sep 26, 2019 · US
Mass flow controller
US-10365666-B2 · Jul 30, 2019 · US
Method of determining flow rate of gas
US-2019212176-A1 · Jul 11, 2019 · US
Thermal flow meter with a case having an external terminal for outputting an electric signal
US-10345128-B2 · Jul 9, 2019 · US
Thermal flow meter
US-10345131-B2 · Jul 9, 2019 · US
Systems and methods for monitoring and optimizing flare purge gas with a wireless rotameter
US-10343195-B2 · Jul 9, 2019 · US
Thermal flow meter with thin resin portion sealing temperature detection element
US-10337899-B2 · Jul 2, 2019 · US
Flow rate sensor correction device, program for correction device, and correction method
US-10330519-B2 · Jun 25, 2019 · US
Flow rate measurement device
US-10323966-B2 · Jun 18, 2019 · US
Mass flow controller, apparatus for manufacturing semiconductor device, and method for maintenance thereof
US-2019170563-A1 · Jun 6, 2019 · US
Operation method for flow sensor device
US-2019003993-A1 · Jan 3, 2019 · US
Gas meter
US-2019003868-A1 · Jan 3, 2019 · US
Thermal Flow Meter
US-2018274959-A1 · Sep 27, 2018 · US
Mass flow controller
US-2018275689-A1 · Sep 27, 2018 · US
Method For Controlling A Conditioning Unit And Consumption Measuring Device Having Such A Conditioning Unit
US-2018275697-A1 · Sep 27, 2018 · US
Flow meter and flow control device provided therewith
US-10073469-B2 · Sep 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01F15/04?
- CPC G01F15/04 is the Cooperative Patent Classification code for “of gases to be measured.”
- How many patents are filed under CPC G01F15/04 (of gases to be measured)?
- Our database includes 106 publications tagged with this CPC code.
- Is patent activity under CPC G01F15/04 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).