System for controlling admission volume of inlet gas for fixed RPM operation of rotary or reciprocating expander
US-11448073-B2 · Sep 20, 2022 · US
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having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members
having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members · 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 | F01C1/34 |
| Official title | having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members |
| Display label | having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Controlling admission volume of inlet gas for fixed rpm operation of rotary or reciprocating expander
US-2021381379-A1 · Dec 9, 2021 · US
Fluid machinery, heat exchange equipment, and operating method for fluid machinery
US-10941771-B2 · Mar 9, 2021 · US
Compressor having waste heat recovery with gas recycler
US-10829370-B2 · Nov 10, 2020 · US
Camshaft adjuster
US-10190448-B2 · Jan 29, 2019 · US
Air compressor having supplemental power source
US-10161271-B2 · Dec 25, 2018 · US
Fluid machinery, heat exchange equipment, and operating method for fluid machinery
US-2018245591-A1 · Aug 30, 2018 · US
Compressor having waste heat recovery with gas recycler
US-2017211891-A1 · Jul 27, 2017 · US
Air compressor having supplemental power source
US-2017211428-A1 · Jul 27, 2017 · US
Eccentrically piloted hydraulic commutator
US-2017159439-A1 · Jun 8, 2017 · US
Camshaft adjuster
US-2017101904-A1 · Apr 13, 2017 · US