Gas meter and gas meter power consumption management system
US-2025216241-A1 · Jul 3, 2025 · US
for gases
for gases · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01F3/22 |
| Official title | for gases |
| Display label | for gases |
| Total patents | 29 |
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 | 2 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas shutoff device, and wireless device for gas shutoff device
US-2024369222-A1 · Nov 7, 2024 · US
Gas meter
US-2024318981-A1 · Sep 26, 2024 · US
Method and system for timely detecting gas pressure irregularities using a gas meter in a power efficient manner
US-11815388-B2 · Nov 14, 2023 · US
Gas appliance failure diagnosis system
US-2023019724-A1 · Jan 19, 2023 · US
Flow measurement device
US-11397005-B2 · Jul 26, 2022 · US
Method and system for timely detecting gas pressure irregularities using a gas meter in a power efficient manner
US-2022170773-A1 · Jun 2, 2022 · US
Flow rate measurement device
US-11215487-B2 · Jan 4, 2022 · US
Sequential volumetric flowmeter
US-2021381869-A1 · Dec 9, 2021 · US
Gas appliance monitoring system
US-11112289-B2 · Sep 7, 2021 · US
Gas shutoff device, and radio device for gas shutoff device
US-2021054997-A1 · Feb 25, 2021 · US
Stratified flow multiphase flowmeter
US-10724886-B2 · Jul 28, 2020 · US
Flow rate measurement device
US-10704942-B2 · Jul 7, 2020 · US
Flow rate measurement device
US-2020200576-A1 · Jun 25, 2020 · US
Gas appliance monitoring system
US-2020182674-A1 · Jun 11, 2020 · US
Processing chamber gas detection system and operation method thereof
US-10663336-B2 · May 26, 2020 · US
Wide-range diaphragm gas meter
US-2019293463-A1 · Sep 26, 2019 · US
Flow rate measuring device
US-2019219420-A1 · Jul 18, 2019 · US
Airflow sensor
US-2019219470-A1 · Jul 18, 2019 · US
Flow measurement device
US-2019024891-A1 · Jan 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01F3/22?
- CPC G01F3/22 is the Cooperative Patent Classification code for “for gases.”
- How many patents are filed under CPC G01F3/22 (for gases)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC G01F3/22 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).