Water pumping system and method of troubleshooting the same
US-2023409056-A1 · Dec 21, 2023 · US
by influencing fluid temperatures
by influencing fluid temperatures · 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 | F04D27/006 |
| Official title | {by influencing fluid temperatures} |
| Display label | by influencing fluid temperatures |
| Total patents | 77 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 13 |
| 2018 | 6 |
| 2019 | 9 |
| 2020 | 5 |
| 2021 | 10 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compressor device and method for controlling such a compressor device
US-2023392603-A1 · Dec 7, 2023 · US
Fan heater motor
US-11699968-B2 · Jul 11, 2023 · US
A method for operating an electric air compressor assembly
US-2023063275-A1 · Mar 2, 2023 · US
System and method for modulating airflow into a bore of a rotor to control blade tip clearance
US-11512594-B2 · Nov 29, 2022 · US
Vacuum pump and vacuum pump system
US-2022333612-A1 · Oct 20, 2022 · US
Compressor
US-11448237-B2 · Sep 20, 2022 · US
Aircraft engine fuel system and method
US-11230979-B2 · Jan 25, 2022 · US
Compact compressor intake system and method
US-11209017-B2 · Dec 28, 2021 · US
System and method for modulating airfow into a bore of a rotor to control blade tip clearance
US-2021381433-A1 · Dec 9, 2021 · US
Product fan system and related methods
US-2021364004-A1 · Nov 25, 2021 · US
System for regulating airflow associated with product for sale
US-11085455-B1 · Aug 10, 2021 · US
Closed loop temperature control system for turbocharger compressor outlet temperature
US-11060525-B2 · Jul 13, 2021 · US
Fan heater motor
US-2021211080-A1 · Jul 8, 2021 · US
Closed Loop Temperature Control System For Turbocharger Compressor Outlet Temperature
US-2021148373-A1 · May 20, 2021 · US
HVAC fan inlet
US-10982863-B2 · Apr 20, 2021 · US
Vacuum pump
US-10907653-B2 · Feb 2, 2021 · US
Clutch cooling with bladed rotatable shaft
US-2021025402-A1 · Jan 28, 2021 · US
Aircraft engine fuel system and method
US-2020284205-A1 · Sep 10, 2020 · US
Compressor
US-2020271130-A1 · Aug 27, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D27/006?
- CPC F04D27/006 is the Cooperative Patent Classification code for “by influencing fluid temperatures.”
- How many patents are filed under CPC F04D27/006 (by influencing fluid temperatures)?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC F04D27/006 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).