Breaker design for power system resiliency
US-9825457-B2 · Nov 21, 2017 · US
Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01R27/16 |
| Official title | Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line |
| Display label | Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line |
| Total patents | 511 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 27 |
| 2016 | 24 |
| 2017 | 34 |
| 2018 | 32 |
| 2019 | 48 |
| 2020 | 50 |
| 2021 | 49 |
| 2022 | 59 |
| 2023 | 54 |
| 2024 | 56 |
| 2025 | 70 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Insulation resistance measurement for inverters
US-9797853-B2 · Oct 24, 2017 · US
Calibrating body impedance measurement systems
US-2017265771-A1 · Sep 21, 2017 · US
Calibration of current sensors by means of reference current during current measurement (as amended)
US-2017269184-A1 · Sep 21, 2017 · US
Method and Apparatus for Powering an Electronic Device
US-2017227587-A1 · Aug 10, 2017 · US
System and method for detecting a grid event
US-9671442-B2 · Jun 6, 2017 · US
Determining the current return path integrity in an electric device connected or connectable to a further device
US-2017122993-A1 · May 4, 2017 · US
Method for small-signal stability assessment of power systems using source side and load side perturbations and generalized Nyquist criterion
US-9612293-B1 · Apr 4, 2017 · US
Determining the current return path integrity in an electric device connected or connectable to a further device
US-9581631-B2 · Feb 28, 2017 · US
Method for small-signal stability assessment of power systems using shunt current injection source side and series voltage injection load side perturbations
US-9519032-B1 · Dec 13, 2016 · US
Method for small-signal stability assessment of power systems within instability borders using source side and load side perturbations
US-9513342-B1 · Dec 6, 2016 · US
Method for small-signal stability assessment of power systems using source side and load side series voltage injection perturbations
US-9500717-B1 · Nov 22, 2016 · US
Microfluidic feedback using impedance detection
US-9492822-B2 · Nov 15, 2016 · US
Electric Grid High Impedance Condition Detection
US-2016327603-A1 · Nov 10, 2016 · US
Motor Fault Detector
US-2016315576-A1 · Oct 27, 2016 · US
Method for small-signal stability assessment of power systems using source side shunt current injection and load side perturbations
US-9470762-B1 · Oct 18, 2016 · US
Current measurement
US-2016291060-A1 · Oct 6, 2016 · US
Current sensor, system and method
US-2016291059-A1 · Oct 6, 2016 · US
Power frequency parameter simulation system for a power transmission line and control method thereof
US-9460636-B2 · Oct 4, 2016 · US
Single wound current transformer impedance measurement circuit
US-2016238644-A1 · Aug 18, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01R27/16?
- CPC G01R27/16 is the Cooperative Patent Classification code for “Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line.”
- How many patents are filed under CPC G01R27/16 (Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line)?
- Our database includes 511 publications tagged with this CPC code.
- Is patent activity under CPC G01R27/16 growing?
- Publication counts under this code: 56 in 2024 vs 70 in 2025 (latest complete years).