Friction engagement device
US-10808777-B2 · Oct 20, 2020 · US
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Cooling oil pressure
Cooling oil pressure · 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 | F16D2500/3058 |
| Official title | Cooling oil pressure |
| Display label | Cooling oil pressure |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 5 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vehicle and system for controlling a vehicle transmission
US-10704615-B2 · Jul 7, 2020 · US
Friction engagement device
US-2020149599-A1 · May 14, 2020 · US
System and method for controlling engine clutch slip for a hybrid vehicle
US-10612604-B2 · Apr 7, 2020 · US
Vehicle and system for controlling a vehicle transmission
US-2020063805-A1 · Feb 27, 2020 · US
Apparatus and method for determining failure of engine clutch
US-10464546-B2 · Nov 5, 2019 · US
System and method for controlling engine clutch slip for a hybrid vehicle
US-2019078627-A1 · Mar 14, 2019 · US
Apparatus and method for determining failure of engine clutch
US-2018050680-A1 · Feb 22, 2018 · US
Vehicle transmission and a method for operating a vehicle transmission
US-9702460-B2 · Jul 11, 2017 · US
Hydraulic pressure supply system
US-9482199-B2 · Nov 1, 2016 · US
Method and system for learning operation of engine clutch of hybrid vehicle
US-9410585-B2 · Aug 9, 2016 · US
Transmission device
US-9346453-B2 · May 24, 2016 · US
Vehicle transmission and a method for operating a vehicle transmission
US-2016116062-A1 · Apr 28, 2016 · US
Hydraulic pressure supply system
US-2016003208-A1 · Jan 7, 2016 · US
Limited slip differential
US-9074671-B2 · Jul 7, 2015 · US
System and method of controlling fail safe for hybrid vehicle
US-9037366-B2 · May 19, 2015 · US
System and method of controlling fail safe for hybrid vehicle
US-2015100212-A1 · Apr 9, 2015 · US
Transmission device
US-2015080177-A1 · Mar 19, 2015 · US
Internal combustion engine and supplying oil path structure for hydraulic clutch in internal combustion engine
US-8955659-B2 · Feb 17, 2015 · US