Closed loop simulation of a computer model of a physical system and an actual real-time hardware component of the physical system
US-10331813-B2 · Jun 25, 2019 · US
Testing of electric windings (testing of transformers G01R31/62)
Testing of electric windings (testing of transformers G01R31/62) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01R31/72 |
| Official title | Testing of electric windings (testing of transformers G01R31/62) |
| Display label | Testing of electric windings (testing of transformers G01R31/62) |
| Total patents | 244 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 15 |
| 2017 | 16 |
| 2018 | 14 |
| 2019 | 23 |
| 2020 | 27 |
| 2021 | 34 |
| 2022 | 36 |
| 2023 | 18 |
| 2024 | 23 |
| 2025 | 21 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Detection of valve open time for solenoid operated fuel injectors
US-10234496-B2 · Mar 19, 2019 · US
Control Method for Protecting Primary Windings of Wind Turbine Transformers
US-2019081473-A1 · Mar 14, 2019 · US
Solenoid control apparatus and diagnosis method
US-10161984-B2 · Dec 25, 2018 · US
Method and apparatus for active load impedance monitoring
US-10132852-B2 · Nov 20, 2018 · US
Apparatus and method for detecting antenna coils
US-2018329003-A1 · Nov 15, 2018 · US
Detection of Plunger Movement in DC Solenoids Through Current Sense Technique
US-2018292445-A1 · Oct 11, 2018 · US
Systems and methods for detecting turn-to-turn faults in windings
US-10088516-B2 · Oct 2, 2018 · US
Measurement method for determining iron losses
US-2018259566-A1 · Sep 13, 2018 · US
Power inductor, board having the same, and current measurement method using the same
US-2018238936-A1 · Aug 23, 2018 · US
System and method for detecting stator faults in ac electrical machines
US-2018172768-A1 · Jun 21, 2018 · US
Method and Testing Device for Testing Wiring of Transformers
US-2018149682-A1 · May 31, 2018 · US
Monitoring of insulation conditions during electrical system events using differential current sensor
US-9945897-B2 · Apr 17, 2018 · US
Test device and method for operating a test device
US-2018088165-A1 · Mar 29, 2018 · US
Solenoid control apparatus and diagnosis method
US-2018088166-A1 · Mar 29, 2018 · US
Method for diagnosing an electrical circuit
US-2018052197-A1 · Feb 22, 2018 · US
Method and device for maintaining an actuator for an airbag control device
US-2018029554-A1 · Feb 1, 2018 · US
Testing a solenoid of a directional control valve
US-9828821-B2 · Nov 28, 2017 · US
Transformer test device and method for testing a transformer
US-2017336462-A1 · Nov 23, 2017 · US
Advance manufacturing monitoring and diagnostic tool
US-9797993-B2 · Oct 24, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01R31/72?
- CPC G01R31/72 is the Cooperative Patent Classification code for “Testing of electric windings (testing of transformers G01R31/62).”
- How many patents are filed under CPC G01R31/72 (Testing of electric windings (testing of transformers G01R31/62))?
- Our database includes 244 publications tagged with this CPC code.
- Is patent activity under CPC G01R31/72 growing?
- Publication counts under this code: 23 in 2024 vs 21 in 2025 (latest complete years).