Variable compression ratio engine control strategy
US-11092089-B1 · Aug 17, 2021 · US
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the piston motion being transmitted by curved surfaces
the piston motion being transmitted by curved surfaces · 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 | F01B9/06 |
| Official title | the piston motion being transmitted by curved surfaces |
| Display label | the piston motion being transmitted by curved surfaces |
| Total patents | 13 |
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 | 1 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 4 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Internal combustion engine
US-2019376447-A1 · Dec 12, 2019 · US
Methods of predicting mortality risk by determining telomere length
US-2019218609-A1 · Jul 18, 2019 · US
Cam Profile for a Hydrostatic Radial Piston Machine, and Hydrostatic Radial Piston Machine
US-2019153865-A1 · May 23, 2019 · US
Radial Piston Motor
US-2019136827-A1 · May 9, 2019 · US
Hydrostatic radial piston machine
US-10107099-B2 · Oct 23, 2018 · US
Piston unit and hydrostatic radial-piston machine
US-10082027-B2 · Sep 25, 2018 · US
Crank circular sliding block mechanism, parts thereof, and equipment therefrom
US-10012224-B2 · Jul 3, 2018 · US
Phased joint cam
US-9651133-B2 · May 16, 2017 · US
Phased Joint Cam
US-2016223057-A1 · Aug 4, 2016 · US
Piston Unit and Hydrostatic Radial-Piston Machine
US-2016201461-A1 · Jul 14, 2016 · US
Hydrostatic Radial Piston Machine
US-2016177719-A1 · Jun 23, 2016 · US
Ring cam and fluid-working machine including ring cam
US-9127656-B2 · Sep 8, 2015 · US