Quantum sensor
US-12480876-B2 · Nov 25, 2025 · US
for discrete levels
for discrete levels · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01F23/261 |
| Official title | {for discrete levels} |
| Display label | for discrete levels |
| Total patents | 61 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 12 |
| 2020 | 5 |
| 2021 | 9 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Contacting unit for an impedance limit switch
US-12480972-B2 · Nov 25, 2025 · US
Sensor for locating interface position, and liquid level gauge
US-2025207967-A1 · Jun 26, 2025 · US
Interface detection device and system for dispersed multi-phase fluids
US-12325032-B2 · Jun 10, 2025 · US
Integrated level sensor for lubricant pump assembly
US-2025172242-A1 · May 29, 2025 · US
Liquid waste monitoring device
US-12306074-B2 · May 20, 2025 · US
Chemical analysis apparatus and chemical analysis method
US-2025067588-A1 · Feb 27, 2025 · US
Sensor arrangement
US-2025012701-A1 · Jan 9, 2025 · US
In or relating to field devices
US-12174055-B2 · Dec 24, 2024 · US
Contacting unit for an impedance limit switch
US-2024302407-A1 · Sep 12, 2024 · US
Level meter for level limit determination and for measuring an impedance of a filling material
US-12085437-B2 · Sep 10, 2024 · US
Portable fluid level monitoring device and method
US-11976955-B2 · May 7, 2024 · US
Sensor device and method for determining and/or monitoring a process variable of a medium in a container
US-2024060812-A1 · Feb 22, 2024 · US
Quantum sensor
US-2023341327-A1 · Oct 26, 2023 · US
Level meter for level limit determination and for measuring an impedance of a filling material
US-2023175880-A1 · Jun 8, 2023 · US
Improvements in or relating to field devices
US-2022397444-A1 · Dec 15, 2022 · US
Impedance sensor and method for its operation
US-11359953-B2 · Jun 14, 2022 · US
Glue injecting device and apparatus having the same
US-2021390839-A1 · Dec 16, 2021 · US
Fluid characteristic sensor, sensor system, and method
US-11187569-B2 · Nov 30, 2021 · US
Inductive sensor assembly for fluid measurements
US-11156491-B2 · Oct 26, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01F23/261?
- CPC G01F23/261 is the Cooperative Patent Classification code for “for discrete levels.”
- How many patents are filed under CPC G01F23/261 (for discrete levels)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC G01F23/261 growing?
- Publication counts under this code: 5 in 2024 vs 9 in 2025 (latest complete years).