System for limiting a revolution speed of an internal combustion engine
US-2019383224-A1 · Dec 19, 2019 · US
for maximum speed control
for maximum speed control · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02D31/009 |
| Official title | {for maximum speed control} |
| Display label | for maximum speed control |
| Total patents | 88 |
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 | 11 |
| 2016 | 8 |
| 2017 | 14 |
| 2018 | 12 |
| 2019 | 17 |
| 2020 | 8 |
| 2021 | 10 |
| 2022 | 3 |
| 2023 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotation speed control device
US-2019376458-A1 · Dec 12, 2019 · US
Engine generator comprising an electrical load-dependent delta to WYE switching unit
US-10483890-B2 · Nov 19, 2019 · US
Hand-held power tool, related control system and its use, and method of controlling said tool
US-10436135-B2 · Oct 8, 2019 · US
Speed ratio based governor selection
US-10427687-B2 · Oct 1, 2019 · US
Vehicle and vehicle speed controlling method
US-10424200-B2 · Sep 24, 2019 · US
Engine device
US-10393035-B2 · Aug 27, 2019 · US
Automatic engine brake control systems and methods
US-2019178167-A1 · Jun 13, 2019 · US
Work machine, power unit, and diesel engine of work machine
US-10302028-B2 · May 28, 2019 · US
Method for operating a drive train for a mobile vehicle
US-10280854-B2 · May 7, 2019 · US
Speed ratio based governor selection
US-2019106109-A1 · Apr 11, 2019 · US
Engine device
US-2019085773-A1 · Mar 21, 2019 · US
Systems and methods to regulate dynamic settings for engine speed control management
US-2019040813-A1 · Feb 7, 2019 · US
Display of a meter during an upshift
US-10175143-B2 · Jan 8, 2019 · US
Internal combustion engine having an engine backpressure brake and a compression release engine brake
US-10167751-B2 · Jan 1, 2019 · US
Hand-held power tool and thereto related control system and use and method of controlling
US-2018363571-A1 · Dec 20, 2018 · US
Hand-held power tool, related control system and its use, and method of controlling said tool
US-2018355810-A1 · Dec 13, 2018 · US
Engine generator
US-2018283294-A1 · Oct 4, 2018 · US
Vehicle
US-2018236896-A1 · Aug 23, 2018 · US
Traveling Vehicle
US-2018213718-A1 · Aug 2, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D31/009?
- CPC F02D31/009 is the Cooperative Patent Classification code for “for maximum speed control.”
- How many patents are filed under CPC F02D31/009 (for maximum speed control)?
- Our database includes 88 publications tagged with this CPC code.
- Is patent activity under CPC F02D31/009 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2025 (latest complete years).