Compressor
US-11698072-B2 · Jul 11, 2023 · US
having both the movement defined in group F04C18/02 and relative reciprocation between the co-operating members
having both the movement defined in group F04C18/02 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 | F04C18/32 |
| Official title | having both the movement defined in group F04C18/02 and relative reciprocation between the co-operating members |
| Display label | having both the movement defined in group F04C18/02 and relative reciprocation between the co-operating members |
| Total patents | 27 |
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 | 5 |
| 2016 | 8 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compressor
US-2022372983-A1 · Nov 24, 2022 · US
Rotary compressor
US-11473581-B2 · Oct 18, 2022 · US
Rotating cylinder enthalpy-adding piston compressor and air conditioning system having same
US-11067077-B2 · Jul 20, 2021 · US
Compression mechanism for a compressor
US-10724525-B2 · Jul 28, 2020 · US
Rotary compressor
US-2020200176-A1 · Jun 25, 2020 · US
Rotary compressor
US-10465684-B2 · Nov 5, 2019 · US
Rotating Cylinder Enthalpy-Adding Piston Compressor and Air Conditioning System Having Same
US-2019249664-A1 · Aug 15, 2019 · US
Vane cell machine with centric bore in ring insert in side wall
US-10352322-B2 · Jul 16, 2019 · US
Vacuum pumping system provided with a soundproofing arrangement
US-2019162187-A1 · May 30, 2019 · US
Compressor assembly with liquid sensor
US-10041487-B2 · Aug 7, 2018 · US
Compressor
US-2018202446-A1 · Jul 19, 2018 · US
Compressor assembly with liquid sensor
US-9784274-B2 · Oct 10, 2017 · US
Rotary compressor
US-2017218955-A1 · Aug 3, 2017 · US
Vane cell machine
US-2016377080-A1 · Dec 29, 2016 · US
Rotary compressor
US-9512842-B2 · Dec 6, 2016 · US
Compressor Assembly With Liquid Sensor
US-2016252092-A1 · Sep 1, 2016 · US
Compressor Assembly With Liquid Sensor
US-2016252093-A1 · Sep 1, 2016 · US
Automotive volumetric vacuum pump
US-9366256-B2 · Jun 14, 2016 · US
Compressor assembly with liquid sensor
US-9341187-B2 · May 17, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C18/32?
- CPC F04C18/32 is the Cooperative Patent Classification code for “having both the movement defined in group F04C18/02 and relative reciprocation between the co-operating members.”
- How many patents are filed under CPC F04C18/32 (having both the movement defined in group F04C18/02 and relative reciprocation between the co-operating members)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F04C18/32 growing?
- Publication counts under this code: 2 in 2022 vs 1 in 2023 (latest complete years).