Detection of loss of neutral or phase
US-2023417814-A1 · Dec 28, 2023 · US
Measuring asymmetry of polyphase networks
Measuring asymmetry of polyphase networks · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01R29/16 |
| Official title | Measuring asymmetry of polyphase networks |
| Display label | Measuring asymmetry of polyphase networks |
| Total patents | 88 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 13 |
| 2024 | 11 |
| 2025 | 9 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Detection of loss of neutral
US-2023417808-A1 · Dec 28, 2023 · US
Induction machine with localized voltage unbalance compensation
US-2023396205-A1 · Dec 7, 2023 · US
Method and device for approximately determining voltages at a high-voltage side of a transformer
US-11808794-B2 · Nov 7, 2023 · US
Apparatus and method for detection current imbalance
US-11788899-B2 · Oct 17, 2023 · US
Initialization and synchronization for pulse power in a network system
US-2023308134-A1 · Sep 28, 2023 · US
Three-phase AC load unbalance detection and balancing method and circuit
US-11682904-B2 · Jun 20, 2023 · US
Three-phase ac load unbalance detection and balancing method and circuit
US-2023097568-A1 · Mar 30, 2023 · US
Electrical energy loss detection
US-11460492-B2 · Oct 4, 2022 · US
Apparatus and method for detection current imbalance
US-2022307910-A1 · Sep 29, 2022 · US
Phase-loss detection apparatus of three-phase ac power source and method of detecting phase loss
US-2022291264-A1 · Sep 15, 2022 · US
Validation of phase currents in a multi-phase system
US-11415610-B2 · Aug 16, 2022 · US
Failure diagnosis method and apparatus for power tube of three-phase rectifier based on current signal
US-11360128-B2 · Jun 14, 2022 · US
Voltage imbalance assessment method and power conversion device
US-11340310-B2 · May 24, 2022 · US
Method and Apparatus for Detecting Faults Using Current Unbalance
US-2022091165-A1 · Mar 24, 2022 · US
Method and device for approximately determining voltages at a high-voltage side of a transformer
US-2021396790-A1 · Dec 23, 2021 · US
Failure diagnosis method and apparatus for power tube of three-phase rectifier based on current signal
US-2021389352-A1 · Dec 16, 2021 · US
Detection apparatus for unbalanced dc link capacitor voltage
US-2021373058-A1 · Dec 2, 2021 · US
Initialization and synchronization for pulse power in a network system
US-11063630-B2 · Jul 13, 2021 · US
Validation of phase currents in a multi-phase system
US-2021165025-A1 · Jun 3, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01R29/16?
- CPC G01R29/16 is the Cooperative Patent Classification code for “Measuring asymmetry of polyphase networks.”
- How many patents are filed under CPC G01R29/16 (Measuring asymmetry of polyphase networks)?
- Our database includes 88 publications tagged with this CPC code.
- Is patent activity under CPC G01R29/16 growing?
- Publication counts under this code: 11 in 2024 vs 9 in 2025 (latest complete years).