Foreign object detection based on transmitter input parameter
US-2024429754-A1 · Dec 26, 2024 · US
Arrangements for measuring electric power or power factor (G01R7/12 takes precedence)
Arrangements for measuring electric power or power factor (G01R7/12 takes precedence) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01R21/00 |
| Official title | Arrangements for measuring electric power or power factor (G01R7/12 takes precedence) |
| Display label | Arrangements for measuring electric power or power factor (G01R7/12 takes precedence) |
| Total patents | 703 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 116 |
| 2016 | 101 |
| 2017 | 99 |
| 2018 | 66 |
| 2019 | 68 |
| 2020 | 53 |
| 2021 | 40 |
| 2022 | 43 |
| 2023 | 34 |
| 2024 | 45 |
| 2025 | 32 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Power control system and method for motor preheating
US-2024125829-A1 · Apr 18, 2024 · US
Managing energy in a multi-dwelling unit
US-2015369847-A1 · Dec 24, 2015 · US
Monitoring load operation
US-2015362537-A1 · Dec 17, 2015 · US
Power measuring device with internal calibration of diode detectors
US-2015346311-A1 · Dec 3, 2015 · US
Systems and methods for displaying energy meters
US-2015346797-A1 · Dec 3, 2015 · US
Tracking energy consumption using a sepic-converter technique
US-9194896-B2 · Nov 24, 2015 · US
Semiconductor device, measurement device, and correction method
US-9197217-B2 · Nov 24, 2015 · US
Compressor sensor module
US-9194894-B2 · Nov 24, 2015 · US
Contactless voltage sensing devices
US-2015331017-A1 · Nov 19, 2015 · US
Heat pump and air conditioning grading systems and methods
US-2015323423-A1 · Nov 12, 2015 · US
Power management apparatus and power management method
US-2015326018-A1 · Nov 12, 2015 · US
Opportunistic Power Detection and Antenna Tuner Measurement During Concurrency
US-2015327099-A1 · Nov 12, 2015 · US
Receptacle indicating relative level of current or energy
US-2015316589-A1 · Nov 5, 2015 · US
Detection of islanding state in electricity network
US-2015311781-A1 · Oct 29, 2015 · US
Current Pattern Matching Method for Non-Intrusive Power Load Monitoring and Disaggregation
US-2015309092-A1 · Oct 29, 2015 · US
Home appliance having built-in power meter
US-9170285-B2 · Oct 27, 2015 · US
Switching device having a measuring apparatus
US-2015301112-A1 · Oct 22, 2015 · US
Network element consolidation for rapid discrete network simulations
US-9158870-B2 · Oct 13, 2015 · US
Method and data processing arrangement for determining the frequency, amplitude and attenuation of at least one output oscillation in an electrical energy supply network
US-2015285847-A1 · Oct 8, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01R21/00?
- CPC G01R21/00 is the Cooperative Patent Classification code for “Arrangements for measuring electric power or power factor (G01R7/12 takes precedence).”
- How many patents are filed under CPC G01R21/00 (Arrangements for measuring electric power or power factor (G01R7/12 takes precedence))?
- Our database includes 703 publications tagged with this CPC code.
- Is patent activity under CPC G01R21/00 growing?
- Publication counts under this code: 45 in 2024 vs 32 in 2025 (latest complete years).