Piezoelectric measuring device and method of operating the measuring device
US-2024230442-A9 · Jul 11, 2024 · US
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Electrostatic instruments
Electrostatic instruments · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01R5/28 |
| Official title | Electrostatic instruments |
| Display label | Electrostatic instruments |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 4 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piezoelectric measuring device and method of operating the measuring device
US-2024133758-A1 · Apr 25, 2024 · US
Vector-sensitive electrometer
US-11346877-B2 · May 31, 2022 · US
Vector-sensitive electrometer
US-2021270882-A1 · Sep 2, 2021 · US
Timing and/or phase adjustment of the separation and/or charging of drops from a fluid stream in a flow cytometer
US-10451535-B2 · Oct 22, 2019 · US
Method for detecting surface electric field distribution of nanostructures
US-10429425-B2 · Oct 1, 2019 · US
Method for calculating surface electric field distribution of nanostructures
US-10408871-B2 · Sep 10, 2019 · US
Noncontact voltage measurement apparatus
US-10254313-B2 · Apr 9, 2019 · US
Timing and/or phase adjustment of the separation and/or charging of drops from a fluid stream in a flow cytometer
US-10126225-B2 · Nov 13, 2018 · US
Surface potential sensor and copying machine
US-10073127-B2 · Sep 11, 2018 · US
Piezo sensor
US-10048291-B2 · Aug 14, 2018 · US
Timing and/or phase adjustment of the separation and/or charging of drops from a fluid stream in a flow cytometer
US-2018156712-A1 · Jun 7, 2018 · US
Calibration of a device for measuring an electric field in a conducting medium
US-9933471-B2 · Apr 3, 2018 · US
Noncontact voltage measurement apparatus
US-2018017597-A1 · Jan 18, 2018 · US
Method for calculating surface electric field distribution of nanostructures
US-2017336455-A1 · Nov 23, 2017 · US
Method for detecting surface electric field distribution of nanostructures
US-2017336456-A1 · Nov 23, 2017 · US
Detection of electromagnetic field with electroactive polymers
US-9804216-B2 · Oct 31, 2017 · US
Detection of Electromagnetic Field with Electroactive Polymers
US-2017269144-A1 · Sep 21, 2017 · US
Calibration of a device for measuring an electric field in a conducting medium
US-2016274158-A1 · Sep 22, 2016 · US
Electrostatic detecting circuit and method thereof
US-9448269-B2 · Sep 20, 2016 · US