Multi-compression unit for ammonia production
US-2025178912-A1 · Jun 5, 2025 · US
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of radial-flow type
of radial-flow type · 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 | F04D23/003 |
| Official title | {of radial-flow type} |
| Display label | of radial-flow type |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Radial impeller with maximized inducer area
US-2025052253-A1 · Feb 13, 2025 · US
Radial impeller with maximized inducer area
US-12221976-B1 · Feb 11, 2025 · US
Centrifugal compressor and refrigeration apparatus
US-2025020130-A1 · Jan 16, 2025 · US
Blowing suction device
US-2024008426-A1 · Jan 11, 2024 · US
Blowing suction device
US-11766001-B2 · Sep 26, 2023 · US
Integrated connector for multi-stage compressor
US-11486618-B2 · Nov 1, 2022 · US
Integrated connector for multi-stage compressor
US-2021108838-A1 · Apr 15, 2021 · US
Blowing suction device
US-2020296904-A1 · Sep 24, 2020 · US
Method for securing an inductor segment to an inductor assembly of an agricultural implement
US-10660263-B2 · May 26, 2020 · US
Radial compressor
US-2019293086-A1 · Sep 26, 2019 · US
Method for pressure and temperature control of a fluid in a series of cryogenic compressors
US-10215183-B2 · Feb 26, 2019 · US
Method for controlling the speed of cryogenic compressors arranged in series for cooling cryogenic helium
US-10047759-B2 · Aug 14, 2018 · US
Pumping system with barrier fluid delivery circuit for dry gas seals
US-2018223857-A1 · Aug 9, 2018 · US
Method for securing an inductor segment to an inductor assembly of an agricultural implement
US-2018206399-A1 · Jul 26, 2018 · US
System for securing inductor segments to an inductor assembly of an agricultural implement
US-9961826-B2 · May 8, 2018 · US
Debris resistant thrust bearing assembly for high speed hydraulic centrifugal turbines and pumps
US-9683574-B2 · Jun 20, 2017 · US
Method for pressure and temperature control of a fluid in a series of cryogenic compressors
US-2017159666-A1 · Jun 8, 2017 · US
Method for controlling the speed of cryogenic compressors arranged in series for cooling cryogenic helium
US-2017152855-A1 · Jun 1, 2017 · US
System for securing inductor segments to an inductor assembly of an agricultural implement
US-2016081263-A1 · Mar 24, 2016 · US