Integrated flywheel and intake cam lobe
US-11473453-B1 · Oct 18, 2022 · US
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Rigid connections between piston and rod; Oscillating pistons
Rigid connections between piston and rod; Oscillating pistons · 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 | F01B9/026 |
| Official title | {Rigid connections between piston and rod; Oscillating pistons} |
| Display label | Rigid connections between piston and rod; Oscillating pistons |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 7 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Engine
US-11174826-B2 · Nov 16, 2021 · US
Compression ratio varying mechanism
US-11156172-B2 · Oct 26, 2021 · US
Engine
US-2020392929-A1 · Dec 17, 2020 · US
Compression ratio varying mechanism
US-2020362774-A1 · Nov 19, 2020 · US
Opposed-piston engine
US-2020063559-A1 · Feb 27, 2020 · US
Device for compensating for the operating clearances of an engine
US-10202899-B2 · Feb 12, 2019 · US
Crankshaft having balance weight
US-10167924-B2 · Jan 1, 2019 · US
Crankshaft having balance weight
US-2017254388-A1 · Sep 7, 2017 · US
Device for compensating for the operating clearances of an engine
US-2017234215-A1 · Aug 17, 2017 · US
Cryogenic refrigerator
US-9638441-B2 · May 2, 2017 · US
Clip-fastened raceway for a variable compression ratio engine
US-9611894-B2 · Apr 4, 2017 · US
Crank circular sliding block mechanism and reciprocating member, cylinder block, internal combustion engine, and compressor
US-9593579-B2 · Mar 14, 2017 · US
Cryogenic refrigerator
US-2017067669-A1 · Mar 9, 2017 · US
Cryogenic refrigerator
US-9534813-B2 · Jan 3, 2017 · US
Clip-fastened raceway for a variable compression ratio engine
US-9316251-B2 · Apr 19, 2016 · US
Clip-fastened raceway for a variable compression ratio engine
US-2016102711-A1 · Apr 14, 2016 · US
Rocking piston type compressor
US-9255477-B2 · Feb 9, 2016 · US