Systems and methods for bottle apparatuses, container assemblies, and dispensing apparatuses
US-2025032365-A1 · Jan 30, 2025 · US
by variable-area meters {, e.g. rotameters}
by variable-area meters {, e.g. rotameters} · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01F1/22 |
| Official title | by variable-area meters {, e.g. rotameters} |
| Display label | by variable-area meters {, e.g. rotameters} |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for bottle apparatuses, container assemblies, and dispensing apparatuses
US-12128009-B1 · Oct 29, 2024 · US
Flow gauge and flow gauge scale assembly
US-12092486-B2 · Sep 17, 2024 · US
Flow rate sensor system, method for and use of such system for determining a flow rate
US-12066311-B2 · Aug 20, 2024 · US
Flow gauge and flow gauge scale assembly
US-2023184570-A1 · Jun 15, 2023 · US
Flow sensor gauge
US-11662242-B2 · May 30, 2023 · US
Flow sensor devices and systems
US-11402248-B2 · Aug 2, 2022 · US
Flow Sensor Gauge
US-2022236089-A1 · Jul 28, 2022 · US
Flow rate sensor system, method for and use of such system for determining a flow rate
US-2022170769-A1 · Jun 2, 2022 · US
Flow sensor devices and systems
US-2022034693-A1 · Feb 3, 2022 · US
Flow sensor devices and systems
US-10948320-B2 · Mar 16, 2021 · US
Flowmeter having an adjustable shield with flow scales
US-10859425-B2 · Dec 8, 2020 · US
Flow Sensor
US-2020249065-A1 · Aug 6, 2020 · US
Flow Sensor Gauge
US-2020209040-A1 · Jul 2, 2020 · US
Flow sensor
US-10634538-B2 · Apr 28, 2020 · US
Diaphragm displacement flowmeter
US-10627268-B2 · Apr 21, 2020 · US
Flowmeter and method for producing a flowmeter
US-10551232-B2 · Feb 4, 2020 · US
Flowmeter having an adjustable shield with flow scales
US-2020018632-A1 · Jan 16, 2020 · US
Flow sensor
US-10473494-B2 · Nov 12, 2019 · US
Systems and methods for monitoring and optimizing flare purge gas with a wireless rotameter
US-10343195-B2 · Jul 9, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01F1/22?
- CPC G01F1/22 is the Cooperative Patent Classification code for “by variable-area meters {, e.g. rotameters}.”
- How many patents are filed under CPC G01F1/22 (by variable-area meters {, e.g. rotameters})?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC G01F1/22 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).