Hot runner detection and response systems, devices, and methods
US-2019338818-A1 · Nov 7, 2019 · US
using electrical detection or indication means
using electrical detection or indication means · 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 | F16D66/021 |
| Official title | {using electrical detection or indication means} |
| Display label | using electrical detection or indication means |
| Total patents | 228 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 6 |
| 2017 | 16 |
| 2018 | 19 |
| 2019 | 42 |
| 2020 | 29 |
| 2021 | 28 |
| 2022 | 29 |
| 2023 | 26 |
| 2024 | 18 |
| 2025 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Brake temperature prediction and cooling time functionality
US-2019329910-A1 · Oct 31, 2019 · US
Residual braking torque indication devices, systems, and methods
US-10451130-B2 · Oct 22, 2019 · US
Brake system and method of control with air gap estimation
US-10422396-B2 · Sep 24, 2019 · US
Adjuster assembly
US-2019277356-A1 · Sep 12, 2019 · US
Aircraft braking
US-2019263510-A1 · Aug 29, 2019 · US
Method for monitoring an electromagnetically actuable brake, and vehicle having an electromagnetically actuable brake
US-2019263376-A1 · Aug 29, 2019 · US
Smart braking devices, systems, and methods with signal conditioners
US-2019249736-A1 · Aug 15, 2019 · US
Brake control system and method of fault detection
US-2019238070-A1 · Aug 1, 2019 · US
Technique for determining the position of a support point of a parking brake unit
US-2019225198-A1 · Jul 25, 2019 · US
Caliper guide assembly
US-2019162256-A1 · May 30, 2019 · US
Hot runner detection and response systems, devices, and methods
US-10295006-B2 · May 21, 2019 · US
Method for estimating the play in an electromechanical actuator
US-2019144135-A1 · May 16, 2019 · US
Brake pad life prognosis system for regenerative braking vehicles
US-2019071062-A1 · Mar 7, 2019 · US
Smart braking devices, systems, and methods with signal conditioners
US-10208822-B2 · Feb 19, 2019 · US
Signal transducer devices, systems, and methods
US-2019003541-A1 · Jan 3, 2019 · US
Sensorized brake pad calibration machines, systems, and methods
US-2019005743-A1 · Jan 3, 2019 · US
Method for detecting the clearance of a brake of a motor vehicle, controller, and brake having same
US-2018370518-A1 · Dec 27, 2018 · US
Signal transducer devices, systems, and methods
US-10138968-B2 · Nov 27, 2018 · US
Electric brake device and electric brake device system
US-10125834-B2 · Nov 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D66/021?
- CPC F16D66/021 is the Cooperative Patent Classification code for “using electrical detection or indication means.”
- How many patents are filed under CPC F16D66/021 (using electrical detection or indication means)?
- Our database includes 228 publications tagged with this CPC code.
- Is patent activity under CPC F16D66/021 growing?
- Publication counts under this code: 18 in 2024 vs 13 in 2025 (latest complete years).