Multicopter
US-2023036722-A1 · Feb 2, 2023 · US
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by cutting-out engines
by cutting-out engines · 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 | F02D25/04 |
| Official title | by cutting-out engines |
| Display label | by cutting-out engines |
| Total patents | 23 |
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 | 1 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Equipment control system
US-11555759-B2 · Jan 17, 2023 · US
Vehicle sensor system
US-2022155183-A1 · May 19, 2022 · US
Engine warm-up bypass control
US-10982602-B2 · Apr 20, 2021 · US
Engine warm-up bypass control
US-2021087984-A1 · Mar 25, 2021 · US
Combined engine systems
US-10934949-B2 · Mar 2, 2021 · US
Control system for internal combustion engine
US-10711720-B2 · Jul 14, 2020 · US
Equipment Control System
US-2020132570-A1 · Apr 30, 2020 · US
Hybrid vehicle
US-2019375284-A1 · Dec 12, 2019 · US
Combined Engine Systems
US-2019323438-A1 · Oct 24, 2019 · US
Distributed propulsion system power unit control
US-10273019-B2 · Apr 30, 2019 · US
Control system for internal combustion engine
US-2019072049-A1 · Mar 7, 2019 · US
Method and control device for operating a system consisting of a plurality of internal combustion engines
US-10100755-B2 · Oct 16, 2018 · US
Distributed propulsion system power unit control
US-2018251228-A1 · Sep 6, 2018 · US
Hybrid vehicle and method of effectively controlling engine off
US-2018056981-A1 · Mar 1, 2018 · US
System for Controlling the Total Emissions Produced by a Multi-Engine Power System
US-2018051636-A1 · Feb 22, 2018 · US
System for controlling the total emissions produced by a multi-engine power system
US-9896982-B1 · Feb 20, 2018 · US
Control device for hybrid vehicle
US-9862378-B2 · Jan 9, 2018 · US
Method And Control Device For Operating A System Consisting Of A Plurality Of Internal Combustion Engines
US-2017218857-A1 · Aug 3, 2017 · US
Method for operating engine for vessel
US-2017174306-A1 · Jun 22, 2017 · US