Internal discharge gas passage for compressor
US-11365735-B2 · Jun 21, 2022 · US
gaseous, i.e. compressible
gaseous, i.e. compressible · 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 | F04C2210/22 |
| Official title | gaseous, i.e. compressible |
| Display label | gaseous, i.e. compressible |
| Total patents | 83 |
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 | 1 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 18 |
| 2020 | 11 |
| 2021 | 12 |
| 2022 | 8 |
| 2023 | 9 |
| 2024 | 7 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compressor Having Lubrication System
US-2022120277-A1 · Apr 21, 2022 · US
Multi-stage compressor and air conditioner
US-11286933-B2 · Mar 29, 2022 · US
Multi-stage vacuum booster pump rotor
US-11248607-B2 · Feb 15, 2022 · US
Scroll compressor provided with a stator winding baffle
US-11225967-B2 · Jan 18, 2022 · US
Machine for depressurizing or compressing gaseous media
US-2021363989-A1 · Nov 25, 2021 · US
Scroll compressor
US-11181109-B2 · Nov 23, 2021 · US
Inlet valve for the inlet of a compressor element and compressor and compressor element equipped with it
US-11131396-B2 · Sep 28, 2021 · US
Scroll compressor having offset portion provided on discharge port to reduce backflow
US-11125230-B2 · Sep 21, 2021 · US
Capacity control for chillers having screw compressors
US-11035600-B2 · Jun 15, 2021 · US
A pump and a method of pumping a fluid
US-2021172440-A1 · Jun 10, 2021 · US
Scroll compressor having a fitted bushing and weight arrangement
US-11028848-B2 · Jun 8, 2021 · US
Scroll compressor with first and second compression chambers having first and second discharge start points
US-11022120-B2 · Jun 1, 2021 · US
Compressor having muffler function
US-10989196-B2 · Apr 27, 2021 · US
Scroll compressor
US-2021115917-A1 · Apr 22, 2021 · US
Compressor and valve assembly
US-10947978-B2 · Mar 16, 2021 · US
Scroll compressor
US-2021025395-A1 · Jan 28, 2021 · US
Scroll compressor
US-10851780-B2 · Dec 1, 2020 · US
Internal discharge gas passage for compressor
US-2020256337-A1 · Aug 13, 2020 · US
Inlet valve for the inlet of a compressor element and compressor and compressor element equipped with it
US-2020173563-A1 · Jun 4, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C2210/22?
- CPC F04C2210/22 is the Cooperative Patent Classification code for “gaseous, i.e. compressible.”
- How many patents are filed under CPC F04C2210/22 (gaseous, i.e. compressible)?
- Our database includes 83 publications tagged with this CPC code.
- Is patent activity under CPC F04C2210/22 growing?
- Publication counts under this code: 7 in 2024 vs 2 in 2025 (latest complete years).