Thermistor flow path
US-2018320778-A1 · Nov 8, 2018 · US
Cooling (of machines or engines in general F01P); Heating; Diminishing heat transfer {(for the motor of air-pump units F04D25/082; cooling of shafts or bearings F04D29/04)}
Cooling (of machines or engines in general F01P); Heating; Diminishing heat transfer {(for the motor of air-pump units F04D25/082; cooling of shafts or bearings F04D29/04)} · 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 | F04D29/58 |
| Official title | Cooling (of machines or engines in general F01P); Heating; Diminishing heat transfer {(for the motor of air-pump units F04D25/082; cooling of shafts or bearings F04D29/04)} |
| Display label | Cooling (of machines or engines in general F01P); Heating; Diminishing heat transfer {(for the motor of air-pump units F04D25/082; cooling of shafts or bearings F04D29/04)} |
| Total patents | 202 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 18 |
| 2017 | 18 |
| 2018 | 16 |
| 2019 | 26 |
| 2020 | 25 |
| 2021 | 16 |
| 2022 | 18 |
| 2023 | 15 |
| 2024 | 12 |
| 2025 | 18 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Blowing device, and vacuum cleaner
US-2018242799-A1 · Aug 30, 2018 · US
Machined film holes
US-10030524-B2 · Jul 24, 2018 · US
Fan device and vacuum cleaner including the same
US-2018180050-A1 · Jun 28, 2018 · US
Blower and vacuum cleaner
US-2018163747-A1 · Jun 14, 2018 · US
Cooling system for cooling a motorcompressor unit
US-2018156223-A1 · Jun 7, 2018 · US
Method for recovering energy
US-9976569-B2 · May 22, 2018 · US
Integrated fan heat exchanger
US-2018120032-A1 · May 3, 2018 · US
Dual walled component for a gas turbine engine
US-2018058226-A1 · Mar 1, 2018 · US
Air blower
US-2017350411-A1 · Dec 7, 2017 · US
Thermoelectric cooling devices on electrical submersible pump
US-9835173-B2 · Dec 5, 2017 · US
Thermistor flow path
US-2017343098-A1 · Nov 30, 2017 · US
System and method for rapid pressurization of a motor/bearing cooling loop for a hermetically sealed motor/compressor system
US-2017298955-A1 · Oct 19, 2017 · US
Gas compression system
US-9784075-B2 · Oct 10, 2017 · US
Gas compression system
US-9784076-B2 · Oct 10, 2017 · US
Structure of a ventilated passage for ventilating the inside of the motor of an electric pump apparatus
US-9771941-B2 · Sep 26, 2017 · US
Temperature control device and turbo-molecular pump
US-2017260999-A1 · Sep 14, 2017 · US
System and cooling for rapid pressurization of a motor-bearing cooling loop for a hermetically sealed motor/compressor system
US-9726196-B2 · Aug 8, 2017 · US
Vacuum system
US-2017218966-A1 · Aug 3, 2017 · US
Multistage turbomachine with embedded electric motors
US-2017159665-A1 · Jun 8, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D29/58?
- CPC F04D29/58 is the Cooperative Patent Classification code for “Cooling (of machines or engines in general F01P); Heating; Diminishing heat transfer {(for the motor of air-pump units F04D25/082; cooling of shafts or bearings F04D29/04)}.”
- How many patents are filed under CPC F04D29/58 (Cooling (of machines or engines in general F01P); Heating; Diminishing heat transfer {(for the motor of air-pump units F04D25/082; cooling of shafts or bearings F04D29/04)})?
- Our database includes 202 publications tagged with this CPC code.
- Is patent activity under CPC F04D29/58 growing?
- Publication counts under this code: 12 in 2024 vs 18 in 2025 (latest complete years).