Apparatus and method for monitoring fluid or material transfer into a receiving tank or receptacle
US-12570517-B2 · Mar 10, 2026 · US
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Function indicator devices
Function indicator devices · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B67D2007/329 |
| Official title | {Function indicator devices} |
| Display label | Function indicator devices |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for autonomously controlling fluid refill station
US-12358780-B2 · Jul 15, 2025 · US
Hydrogen gas supply system, point management system, and service management system
US-12203603-B2 · Jan 21, 2025 · US
Apparatus and method for monitoring fluid or material transfer into a receiving tank or receptacle
US-12195321-B2 · Jan 14, 2025 · US
Apparatus and method for monitoring fluid or material transfer into a receiving tank or receptacle
US-2025011155-A1 · Jan 9, 2025 · US
System and method for autonomously controlling fluid refill station
US-2024051814-A1 · Feb 15, 2024 · US
Apparatus and method for monitoring fluid or material transfer into a receiving tank or receptacle
US-2023312330-A1 · Oct 5, 2023 · US
Systems and methods for managing refueling interactions
US-11459225-B2 · Oct 4, 2022 · US
Hydrogen gas supply system, point management system, and service management system
US-2022228714-A1 · Jul 21, 2022 · US
Hydrogen gas supply system, point management system, and service management system
US-11293592-B2 · Apr 5, 2022 · US
Service device for a pressure vessel system
US-11168841-B2 · Nov 9, 2021 · US
Supply control apparatus, supply device, supply control method, and program
US-11155457-B2 · Oct 26, 2021 · US
Systems and methods for managing refueling interactions
US-2021171334-A1 · Jun 10, 2021 · US
Supply control apparatus, supply device, supply control method, and program
US-2021114861-A1 · Apr 22, 2021 · US
Image recording apparatus
US-10889120-B2 · Jan 12, 2021 · US
Systems and methods for supplying fuel to a vehicle
US-10766760-B2 · Sep 8, 2020 · US
Hydrogen gas supply system, point management system, and service management system
US-2020156925-A1 · May 21, 2020 · US
Liquid volume transfer system, liquid infusion device, unmanned aerial vehicle and liquid container
US-10435288-B2 · Oct 8, 2019 · US
Fuel filling apparatus and method for bi-fuel vehicle
US-10343515-B2 · Jul 9, 2019 · US
Systems and Methods for Supplying Fuel to a Vehicle
US-2019047843-A1 · Feb 14, 2019 · US