Flow measuring device
US-2016356231-A1 · Dec 8, 2016 · US
Circuits therefor, e.g. constant-current flow meters
Circuits therefor, e.g. constant-current flow meters · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01F1/696 |
| Official title | Circuits therefor, e.g. constant-current flow meters |
| Display label | Circuits therefor, e.g. constant-current flow meters |
| Total patents | 374 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 37 |
| 2016 | 24 |
| 2017 | 40 |
| 2018 | 37 |
| 2019 | 48 |
| 2020 | 43 |
| 2021 | 45 |
| 2022 | 34 |
| 2023 | 21 |
| 2024 | 22 |
| 2025 | 21 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air-mass measuring apparatus, air-mass measuring system and air-mass measuring method for a vehicle
US-2016313227-A1 · Oct 27, 2016 · US
Flowmeter and method of forming the same
US-2016298991-A1 · Oct 13, 2016 · US
Thermal type flowmeter
US-2016282163-A1 · Sep 29, 2016 · US
Thermal Flow Meter
US-2016282162-A1 · Sep 29, 2016 · US
Physical amount measurement apparatus mounted integrally with flow rate measurement apparatus, and physical amount measurement method
US-2016273949-A1 · Sep 22, 2016 · US
Method for operating an air mass sensor
US-9447757-B2 · Sep 20, 2016 · US
Mass Air Flow Measurement Device
US-2016252378-A1 · Sep 1, 2016 · US
A flow sensor, a mass flow meter and a mass flow controller using the same, and a production method of a flow sensor
US-2016231155-A1 · Aug 11, 2016 · US
Flow sensor and control system of internal combustion engine
US-9400198-B2 · Jul 26, 2016 · US
Thermal Flow Sensor
US-2016209255-A1 · Jul 21, 2016 · US
Gas Sensor Device
US-2016202200-A1 · Jul 14, 2016 · US
Air Mass Flow Meter
US-2016202099-A1 · Jul 14, 2016 · US
Electronic device, method for calculating in-housing airflow, and computer program product
US-2016187175-A1 · Jun 30, 2016 · US
Thermal Mass Flowmeter
US-2016178421-A1 · Jun 23, 2016 · US
Airflow meter
US-2016161313-A1 · Jun 9, 2016 · US
Fluid Analysis Device, Thermal Flowmeter, Mass Flow Controller, Fluid Property Specification Device, and Program Recording Medium With Program for Fluid Analysis Device Recorded Thereon
US-2016131511-A1 · May 12, 2016 · US
Flow rate measurement device
US-2016097661-A1 · Apr 7, 2016 · US
Gas flow rate measuring apparatus for minimizing temperature dependent errors
US-9297677-B2 · Mar 29, 2016 · US
Measurement arrangement having electrically heated resistors arranged in gas paths
US-9267907-B2 · Feb 23, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01F1/696?
- CPC G01F1/696 is the Cooperative Patent Classification code for “Circuits therefor, e.g. constant-current flow meters.”
- How many patents are filed under CPC G01F1/696 (Circuits therefor, e.g. constant-current flow meters)?
- Our database includes 374 publications tagged with this CPC code.
- Is patent activity under CPC G01F1/696 growing?
- Publication counts under this code: 22 in 2024 vs 21 in 2025 (latest complete years).