Apparatus and method for controlling fuel injection
US-10113488-B2 · Oct 30, 2018 · US
using a hot wire flow sensor
using a hot wire flow sensor · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02D41/187 |
| Official title | {using a hot wire flow sensor} |
| Display label | using a hot wire flow sensor |
| Total patents | 121 |
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 | 19 |
| 2016 | 11 |
| 2017 | 21 |
| 2018 | 19 |
| 2019 | 6 |
| 2020 | 16 |
| 2021 | 12 |
| 2022 | 8 |
| 2023 | 6 |
| 2024 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thermal Flow Meter
US-2018274959-A1 · Sep 27, 2018 · US
Thermal air flow meter
US-2018266861-A1 · Sep 20, 2018 · US
Thermal flow meter
US-10012522-B2 · Jul 3, 2018 · US
Apparatus and method for controlling fuel injection
US-2018163641-A1 · Jun 14, 2018 · US
Control method of boosting apparatus
US-9982610-B2 · May 29, 2018 · US
Air flow measuring device
US-2018058890-A1 · Mar 1, 2018 · US
Engine control device
US-9897024-B2 · Feb 20, 2018 · US
Method and device for diagnosing an auxiliary heating function of an air mass sensor
US-9885600-B2 · Feb 6, 2018 · US
Thermal Flow Meter with a Case Having a Resin Housing which Supports a Circuit Package
US-2017370752-A1 · Dec 28, 2017 · US
Flow measuring device
US-2017356775-A1 · Dec 14, 2017 · US
Thermal Flow Meter
US-2017345776-A1 · Nov 30, 2017 · US
Thermal-type airflow meter
US-2017343400-A1 · Nov 30, 2017 · US
Flow rate measuring apparatus
US-9810561-B2 · Nov 7, 2017 · US
Sensor system for determining at least one parameter of a fluid medium flowing through a channel
US-9752910-B2 · Sep 5, 2017 · US
Thermal flow meter
US-9746362-B2 · Aug 29, 2017 · US
Thermal flow meter including a protrusion protruding from a circuit package body and a temperature detection element buried in the protrusion
US-9733113-B2 · Aug 15, 2017 · US
Thermal flow meter
US-9721908-B2 · Aug 1, 2017 · US
Air flow measuring device
US-9719836-B2 · Aug 1, 2017 · US
Thermal Flow Meter
US-2017205262-A1 · Jul 20, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D41/187?
- CPC F02D41/187 is the Cooperative Patent Classification code for “using a hot wire flow sensor.”
- How many patents are filed under CPC F02D41/187 (using a hot wire flow sensor)?
- Our database includes 121 publications tagged with this CPC code.
- Is patent activity under CPC F02D41/187 growing?
- Publication counts under this code: 6 in 2023 vs 3 in 2024 (latest complete years).