Wind speed measuring device and airflow measuring device
US-10823750-B2 · Nov 3, 2020 · US
by control of a separate heating or cooling element
by control of a separate heating or cooling element · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01F1/699 |
| Official title | by control of a separate heating or cooling element |
| Display label | by control of a separate heating or cooling element |
| Total patents | 68 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 7 |
| 2017 | 13 |
| 2018 | 13 |
| 2019 | 6 |
| 2020 | 8 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and device for controlling a heating element for heating a sensor element of a mass air-flow sensor for a vehicle and mass air-flow sensor system for a vehicle
US-2020263623-A1 · Aug 20, 2020 · US
Thermal flowmeter and method having a self-heated element controlled to operate differently under high and low phases of square wave signal
US-10724882-B2 · Jul 28, 2020 · US
Thermal flowmeter and method of flow rate correction
US-10712191-B1 · Jul 14, 2020 · US
Anesthesia apparatus or ventilator with a hot wire sensor, hot wire sensor and hot wire sensor module for a hot wire sensor
US-10714871-B2 · Jul 14, 2020 · US
Flow rate measurement device, gas meter provided with flow rate measurement device, and flow rate measurement device unit for gas meter
US-2020200579-A1 · Jun 25, 2020 · US
Detection of contaminations on a sensing surface of a thermal sensor
US-2020200580-A1 · Jun 25, 2020 · US
Thermal type flow meter, flow rate processing device, and thermal type flow rate measurement method using the same
US-10551234-B2 · Feb 4, 2020 · US
Thermal flow sensor device and flow rate correction method
US-2019301909-A1 · Oct 3, 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 with thin resin portion sealing temperature detection element
US-10337899-B2 · Jul 2, 2019 · US
Wind speed measuring device and airflow measuring device
US-2019195908-A1 · Jun 27, 2019 · US
Flow sensor with heated air collar
US-10317266-B2 · Jun 11, 2019 · US
Bolometer fluid flow sensor
US-10168349-B2 · Jan 1, 2019 · US
Thermal flowmeter and method for operating a flowmeter
US-2018348031-A1 · Dec 6, 2018 · US
Measuring apparatus and method of manufacturing the measuring apparatus
US-10113892-B2 · Oct 30, 2018 · US
Thermal type flow meter, flow rate processing device, and thermal type flow rate measurement method
US-2018266863-A1 · Sep 20, 2018 · US
Device and method for determining the mass-flow of a fluid
US-9964423-B2 · May 8, 2018 · US
Thermal flow meter
US-9933292-B2 · Apr 3, 2018 · US
Anesthesia apparatus or ventilator with a hot wire sensor, hot wire sensor and hot wire sensor module for a hot wire sensor
US-2018080806-A1 · Mar 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01F1/699?
- CPC G01F1/699 is the Cooperative Patent Classification code for “by control of a separate heating or cooling element.”
- How many patents are filed under CPC G01F1/699 (by control of a separate heating or cooling element)?
- Our database includes 68 publications tagged with this CPC code.
- Is patent activity under CPC G01F1/699 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).