Calibration system for voltage measurement devices
US-10502807-B2 · Dec 10, 2019 · US
Standards or reference devices, e.g. voltage or resistance standards, "golden references"
Standards or reference devices, e.g. voltage or resistance standards, "golden references" · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01R35/007 |
| Official title | {Standards or reference devices, e.g. voltage or resistance standards, "golden references"} |
| Display label | Standards or reference devices, e.g. voltage or resistance standards, "golden references" |
| Total patents | 237 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 15 |
| 2017 | 10 |
| 2018 | 17 |
| 2019 | 18 |
| 2020 | 21 |
| 2021 | 24 |
| 2022 | 22 |
| 2023 | 22 |
| 2024 | 41 |
| 2025 | 37 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Position dependent non-contact voltage and current measurement
US-2019346529-A1 · Nov 14, 2019 · US
Test and Measurement Management
US-2019285666-A1 · Sep 19, 2019 · US
Magnetic field sensor with modulated diagnostic signal
US-2019257909-A1 · Aug 22, 2019 · US
On-chip calibration circuit and method with half-step resolution
US-10382049-B1 · Aug 13, 2019 · US
Resistance calibration
US-2019227586-A1 · Jul 25, 2019 · US
Measurement accessory device
US-10345421-B2 · Jul 9, 2019 · US
Noise generation circuit, self-checking circuit, afci, and photovoltaic power generation system
US-2019154746-A1 · May 23, 2019 · US
Active noise suppression for optical voltage sensor
US-10234501-B2 · Mar 19, 2019 · US
Vector network analyzer and measuring method for frequency-converting measurements
US-2019072598-A1 · Mar 7, 2019 · US
Method for measuring beam steering characteristics and measurement system
US-2019049502-A1 · Feb 14, 2019 · US
Measurement error correction method and electric component property measurement device
US-10203396-B2 · Feb 12, 2019 · US
Fault Detection Using Showerhead Voltage Variation
US-2018350643-A1 · Dec 6, 2018 · US
Device and method for detecting a state
US-10145867-B2 · Dec 4, 2018 · US
Method for the controlled connection of a calibration standard in a calibration module and an associated calibration module
US-10132908-B2 · Nov 20, 2018 · US
Signal correction method, system for correcting a measured signal, as well as oscilloscope
US-2018313872-A1 · Nov 1, 2018 · US
Point stick device and point stick module
US-2018259609-A1 · Sep 13, 2018 · US
System for monitoring electrical power usage of a structure and method of same
US-2018252751-A1 · Sep 6, 2018 · US
Fault detection using showerhead voltage variation
US-10043690-B2 · Aug 7, 2018 · US
A Method for Correcting Effect of Saturation in Current Transformer and an Intelligent Electronic Device Therefor
US-2018191241-A1 · Jul 5, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01R35/007?
- CPC G01R35/007 is the Cooperative Patent Classification code for “Standards or reference devices, e.g. voltage or resistance standards, "golden references".”
- How many patents are filed under CPC G01R35/007 (Standards or reference devices, e.g. voltage or resistance standards, "golden references")?
- Our database includes 237 publications tagged with this CPC code.
- Is patent activity under CPC G01R35/007 growing?
- Publication counts under this code: 41 in 2024 vs 37 in 2025 (latest complete years).