Systems and devices for remotely operated unmanned aerial vehicle report-suppressing launcher with portable RF transparent launch tube
US-12552561-B2 · Feb 17, 2026 · US
for starting propulsion plant
for starting propulsion plant · 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 | B64F1/34 |
| Official title | for starting propulsion plant |
| Display label | for starting propulsion plant |
| Total patents | 60 |
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 | 3 |
| 2017 | 6 |
| 2018 | 10 |
| 2019 | 9 |
| 2020 | 8 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and devices for remotely operated unmanned aerial vehicle report-suppressing launcher with portable rf transparent launch tube
US-2025171161-A1 · May 29, 2025 · US
Systems and devices for remotely operated unmanned aerial vehicle report-suppressing launcher with portable rf transparent launch tube
US-2025026490-A1 · Jan 23, 2025 · US
Systems and devices for remotely operated unmanned aerial vehicle report-suppressing launcher with portable RF transparent launch tube
US-12139274-B2 · Nov 12, 2024 · US
Systems and apparatus for providing ground support services to aircrafts
US-2024351707-A1 · Oct 24, 2024 · US
Aircraft auxiliary power unit
US-12017790-B2 · Jun 25, 2024 · US
Engine testing system and process
US-11796422-B2 · Oct 24, 2023 · US
Systems and devices for remotely operated unmanned aerial vehicle report-suppressing launcher with portable rf transparent launch tube
US-2023322407-A1 · Oct 12, 2023 · US
Systems and devices for remotely operated unmanned aerial vehicle report-suppressing launcher with portable RF transparent launch tube
US-11731784-B2 · Aug 22, 2023 · US
Multi-engine coordination during gas turbine engine motoring
US-11674411-B2 · Jun 13, 2023 · US
Starting/generating system and method for an aircraft turbine engine
US-11643221-B2 · May 9, 2023 · US
Apparatus and method for launching a fixed-wing aircraft into free flight
US-11639236-B2 · May 2, 2023 · US
Systems and devices for remotely operated unmanned aerial vehicle report-suppressing launcher with portable rf transparent launch tube
US-2023011456-A1 · Jan 12, 2023 · US
Engine testing system and process
US-11486795-B2 · Nov 1, 2022 · US
Engine testing system and process
US-2022307942-A1 · Sep 29, 2022 · US
Parasail-assisted systems and methods for launching and retrieving a fixed-wing aircraft into and from free flight
US-11414187-B2 · Aug 16, 2022 · US
Systems and devices for remotely operated unmanned aerial vehicle report-suppressing launcher with portable RF transparent launch tube
US-11319087-B2 · May 3, 2022 · US
Multi-engine coordination during gas turbine engine motoring
US-2021324758-A1 · Oct 21, 2021 · US
Multi-engine coordination during gas turbine engine motoring
US-11047257-B2 · Jun 29, 2021 · US
System and method for vertical take-off in an autogyro
US-11001374-B2 · May 11, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64F1/34?
- CPC B64F1/34 is the Cooperative Patent Classification code for “for starting propulsion plant.”
- How many patents are filed under CPC B64F1/34 (for starting propulsion plant)?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC B64F1/34 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).