Methods and apparatus for generating usage severity indices
US-12497182-B2 · Dec 16, 2025 · US
for keeping cruising speed constant
for keeping cruising speed constant · 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 | B64D31/08 |
| Official title | for keeping cruising speed constant |
| Display label | for keeping cruising speed constant |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 7 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Model-based speed governing for variable-pitch propeller
US-12486023-B2 · Dec 2, 2025 · US
Model-based speed governing for variable-pitch propeller
US-2025223026-A1 · Jul 10, 2025 · US
Propulsor brake lock
US-12258140-B2 · Mar 25, 2025 · US
Flexible nano coating with significantly enhanced electrical, thermal and semiconductor properties
US-2024425186-A1 · Dec 26, 2024 · US
Apparatus For Controlling Power And Method Thereof
US-2024359805-A1 · Oct 31, 2024 · US
Methods and apparatus for generating usage severity indices
US-2024351698-A1 · Oct 24, 2024 · US
Flexible nano coating with significantly enhanced electrical, thermal and semiconductor properties
US-12084193-B2 · Sep 10, 2024 · US
Propulsor brake lock
US-2024278923-A1 · Aug 22, 2024 · US
Systems and methods for energy managed autoflight guidance using potential flight path angle
US-12055950-B2 · Aug 6, 2024 · US
Aircraft propulsion system
US-12030653-B2 · Jul 9, 2024 · US
Method for managing the propulsive power of an aircraft
US-11840338-B2 · Dec 12, 2023 · US
Aircraft propulsion system
US-2023076465-A1 · Mar 9, 2023 · US
Flexible nano coating with significantly enhanced electrical, thermal and semiconductor properties
US-2022220322-A1 · Jul 14, 2022 · US
Autothrottle control system on turbopropeller-powered aircraft
US-11377223-B2 · Jul 5, 2022 · US
Flexible nano coating with significantly enhanced electrical, thermal and semiconductor properties
US-11292925-B2 · Apr 5, 2022 · US
Method for managing the propulsive power of an aircraft
US-2021188455-A1 · Jun 24, 2021 · US
Systems and methods for reducing the propeller noise
US-11008093-B2 · May 18, 2021 · US
Systems and methods for energy managed autoflight guidance using potential flight path angle
US-2021141394-A1 · May 13, 2021 · US
Low throttle rate command compensation via full authority engine trim
US-10864994-B2 · Dec 15, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64D31/08?
- CPC B64D31/08 is the Cooperative Patent Classification code for “for keeping cruising speed constant.”
- How many patents are filed under CPC B64D31/08 (for keeping cruising speed constant)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC B64D31/08 growing?
- Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).