Bearing guide device of a combustion piston for a variable compression ratio engine
US-11078835-B2 · Aug 3, 2021 · US
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with rack and pinion
with rack and pinion · 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 | F01B9/047 |
| Official title | {with rack and pinion} |
| Display label | with rack and pinion |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bearing guide device of a combustion piston for a variable compression ratio engine
US-2020318534-A1 · Oct 8, 2020 · US
Device for compensating for the operating clearances of an engine
US-10202899-B2 · Feb 12, 2019 · US
Device for compensating for the operating clearances of an engine
US-2017234215-A1 · Aug 17, 2017 · US
Bolted joint inner thread coating and methods of manufacturing
US-9631664-B2 · Apr 25, 2017 · US
Mechanical breather system for a four-stroke engine
US-9181869-B2 · Nov 10, 2015 · US