Heat collecting pump and washing appliance having the same
US-12595809-B2 · Apr 7, 2026 · US
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rotating diffusers
rotating diffusers · 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 | F04D29/447 |
| Official title | {rotating diffusers} |
| Display label | rotating diffusers |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2019 | 2 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric water pump
US-12497977-B2 · Dec 16, 2025 · US
Downhole centrifugal pumps including locking features and related components and methods
US-2025341222-A1 · Nov 6, 2025 · US
Indoor unit of air conditioner and controlling method of the air conditioner
US-12313269-B2 · May 27, 2025 · US
Heat collecting pump and washing appliance
US-12234835-B2 · Feb 25, 2025 · US
Heat collecting pump and washing appliance having the same
US-2025035129-A1 · Jan 30, 2025 · US
Electric water pump
US-2025012293-A1 · Jan 9, 2025 · US
Heat collecting pump and washing appliance
US-2024084819-A1 · Mar 14, 2024 · US
Flow guiding element, heat collecting pump and dishwasher
US-11879479-B2 · Jan 23, 2024 · US
Flow guiding element, heat collecting pump and dishwasher
US-2023258201-A1 · Aug 17, 2023 · US
Indoor unit of air conditioner and controlling method of the air conditioner
US-2022316716-A1 · Oct 6, 2022 · US
Rotating diffuser pump
US-11396887-B2 · Jul 26, 2022 · US
Compensation assemblies for fluid handling devices and related devices, systems, and methods
US-2022018362-A1 · Jan 20, 2022 · US
Modular, multi-stage, integral sealed motor pump with integrally-cooled motors and independently controlled rotor speeds
US-2019120249-A1 · Apr 25, 2019 · US
Centrifugal Blower, Air Conditioner, and Refrigeration Cycle Apparatus
US-2019101131-A1 · Apr 4, 2019 · US
Rotating diffuser pump
US-2016305447-A1 · Oct 20, 2016 · US
Volute for engine-mounted boost stage fuel pump
US-2016097399-A1 · Apr 7, 2016 · US
Impeller for engine-mounted boost stage fuel pump
US-2016097400-A1 · Apr 7, 2016 · US