Fuel Tank Testing System
US-2025091731-A1 · Mar 20, 2025 · US
Repairing leakages in fuel tanks
Repairing leakages in fuel tanks · 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 | B64F5/45 |
| Official title | Repairing leakages in fuel tanks |
| Display label | Repairing leakages in fuel tanks |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 1 |
| 2023 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel tank testing system
US-12187458-B2 · Jan 7, 2025 · US
Aircraft pylon comprising at least one seal interposed between a fixed structure and a removable panel of a fairing
US-11702217-B2 · Jul 18, 2023 · US
Aircraft pylon comprising at least one seal interposed between a fixed structure and a removable panel of a fairing
US-2021387740-A1 · Dec 16, 2021 · US
Systems and methods for controlling an environment within a volume
US-10858180-B2 · Dec 8, 2020 · US
Aircraft joint
US-10787241-B2 · Sep 29, 2020 · US
Methods and systems for leak detection
US-10782203-B2 · Sep 22, 2020 · US
Multi-tread vehicles and methods of operating thereof
US-10710651-B2 · Jul 14, 2020 · US
Fuel Tank Testing System
US-2020148392-A1 · May 14, 2020 · US
Methods and systems for leak detection
US-2019301966-A1 · Oct 3, 2019 · US
Self-forming fuel tank sealant system
US-10422428-B2 · Sep 24, 2019 · US
Airframe production
US-10364046-B2 · Jul 30, 2019 · US
Multi-tread vehicles and methods of operating thereof
US-2018290698-A1 · Oct 11, 2018 · US
Systems and methods for controlling an environment within a volume
US-2018215535-A1 · Aug 2, 2018 · US
Multi-tread vehicles and methods of operating thereof
US-10023250-B2 · Jul 17, 2018 · US
Systems and methods for controlling a fuel tank environment
US-9969549-B2 · May 15, 2018 · US
Multi-tread vehicles and methods of operating thereof
US-2017355405-A1 · Dec 14, 2017 · US
Aircraft joint
US-2017327203-A1 · Nov 16, 2017 · US
Methods for sealing an internal composite vent stringer
US-9725184-B2 · Aug 8, 2017 · US
Methods, systems, and devices for radio-frequency assisted removal of sealant
US-9718221-B2 · Aug 1, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64F5/45?
- CPC B64F5/45 is the Cooperative Patent Classification code for “Repairing leakages in fuel tanks.”
- How many patents are filed under CPC B64F5/45 (Repairing leakages in fuel tanks)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC B64F5/45 growing?
- Publication counts under this code: 1 in 2023 vs 2 in 2025 (latest complete years).