Compressor with cooling pump
US-11867164-B2 · Jan 9, 2024 · US
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with vanes hinged to the inner member and reciprocating with respect to the inner member
with vanes hinged to the inner member and reciprocating with respect to the inner member · 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 | F04C18/321 |
| Official title | {with vanes hinged to the inner member and reciprocating with respect to the inner member} |
| Display label | with vanes hinged to the inner member and reciprocating with respect to the inner member |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 6 |
| 2017 | 2 |
| 2018 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compressor with cooling pump
US-2023012130-A1 · Jan 12, 2023 · US
Rotary vane compressor with a step in the bearing adjacent the rail groove
US-11378079-B2 · Jul 5, 2022 · US
Rotary compressor
US-2021301662-A1 · Sep 30, 2021 · US
Vane rotary compressor having hinge receiving portions formed on an outer peripheral surface of a rotor with a plurality of vanes including a hinge portion and a blade portion
US-9903369-B2 · Feb 27, 2018 · US
Vane rotary compressor
US-9822779-B2 · Nov 21, 2017 · US
Gas compressor formed with a high-pressure supply hole
US-9556872-B2 · Jan 31, 2017 · US
Vane compressor that suppresses the wear at the tip of the vane
US-9458849-B2 · Oct 4, 2016 · US
Fuel vapor treatment apparatus
US-2016273493-A1 · Sep 22, 2016 · US
Vane rotary compressor
US-2016265531-A1 · Sep 15, 2016 · US
Vane compressor having a vane supporter that suppresses leakage of refrigerant
US-9399993-B2 · Jul 26, 2016 · US
Vane compressor having a second discharge port that includes an opening portion to a compression space
US-9388807-B2 · Jul 12, 2016 · US
Vane-type compressor having an oil supply channel between the oil resevoir and vane angle adjuster
US-9382907-B2 · Jul 5, 2016 · US
Vane rotary compressor
US-2015369245-A1 · Dec 24, 2015 · US
Gas compressor
US-2015252806-A1 · Sep 10, 2015 · US
Vane compressor with vane aligners
US-9127675-B2 · Sep 8, 2015 · US
Vane compressor with vane aligners
US-9115716-B2 · Aug 25, 2015 · US