Systems and methods for fuel tank draining and polishing
US-12370500-B2 · Jul 29, 2025 · US
for draining or emptying a fuel tank
for draining or emptying a fuel tank · 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 | B60K2015/03473 |
| Official title | {for draining or emptying a fuel tank} |
| Display label | for draining or emptying a fuel tank |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 6 |
| 2017 | 6 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tank assembly
US-12214655-B2 · Feb 4, 2025 · US
Aircraft fuel storage system
US-2024239510-A1 · Jul 18, 2024 · US
Construction machine
US-12024848-B2 · Jul 2, 2024 · US
Apparatus preventing fuel starvation on inclined surfaces
US-11852111-B1 · Dec 26, 2023 · US
Liquid container
US-2023278671-A1 · Sep 7, 2023 · US
Saddled vehicle
US-11718171-B2 · Aug 8, 2023 · US
Fuel tank of work vehicle and work vehicle
US-11660955-B2 · May 30, 2023 · US
Vehicle fuel tank modeling systems and methods
US-11615658-B2 · Mar 28, 2023 · US
Discharge connection for the separated discharge of fluids of different densities
US-2022268368-A1 · Aug 25, 2022 · US
Gas supply system and control method of gas supply system
US-11413957-B2 · Aug 16, 2022 · US
Construction Machine
US-2022112679-A1 · Apr 14, 2022 · US
Vehicle Fuel Tank Modeling Systems And Methods
US-2022101665-A1 · Mar 31, 2022 · US
Systems and methods for fuel tank draining and polishing
US-2022016578-A1 · Jan 20, 2022 · US
Tank Assembly
US-2021347249-A1 · Nov 11, 2021 · US
Method for controlling a fuel tank arrangement
US-11131281-B2 · Sep 28, 2021 · US
Fuel tank drain plug
US-11104218-B2 · Aug 31, 2021 · US
Gas supply system and control method of gas supply system
US-2021094409-A1 · Apr 1, 2021 · US
Hydrogen Discharge System for a Motor Vehicle
US-2020385068-A1 · Dec 10, 2020 · US
Fuel tank of work vehicle and work vehicle
US-2020298698-A1 · Sep 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60K2015/03473?
- CPC B60K2015/03473 is the Cooperative Patent Classification code for “for draining or emptying a fuel tank.”
- How many patents are filed under CPC B60K2015/03473 (for draining or emptying a fuel tank)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC B60K2015/03473 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).