Medical pump device for conveying a medical fluid
US-12171981-B2 · Dec 24, 2024 · US
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with a throttle in the form of a helical channel
with a throttle in the form of a helical channel · 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 | F16K47/06 |
| Official title | with a throttle in the form of a helical channel |
| Display label | with a throttle in the form of a helical channel |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 3 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Capacity control valve
US-11598437-B2 · Mar 7, 2023 · US
Fluid flow control devices and systems, and methods of flowing fluids
US-2023048962-A1 · Feb 16, 2023 · US
Apparatus for noise reduction in valves
US-11525525-B2 · Dec 13, 2022 · US
Decompression mechanism and beverage maker having decompression mechanism
US-11427455-B2 · Aug 30, 2022 · US
Apparatus for noise reduction in valves
US-2022170569-A1 · Jun 2, 2022 · US
Capacity control valve
US-2022154837-A1 · May 19, 2022 · US
Medical pump device for conveying a medical fluid
US-2022126018-A1 · Apr 28, 2022 · US
Throttle body with a plurality of channels extending three-dimensional spiral-shaped
US-10871243-B2 · Dec 22, 2020 · US
Flow regulator
US-10557560-B2 · Feb 11, 2020 · US
Decompression mechanism and beverage maker having decompression mechanism
US-2020017346-A1 · Jan 16, 2020 · US
Toilet fill valve with improved noise performance
US-10437263-B2 · Oct 8, 2019 · US
Polymer flow control device
US-10378323-B2 · Aug 13, 2019 · US
Displacement control valve
US-10167978-B2 · Jan 1, 2019 · US
Polymer flow control device
US-2018355704-A1 · Dec 13, 2018 · US
Valve assembly with cage and flow control assembly
US-10100604-B2 · Oct 16, 2018 · US
Throttle body with a plurality of channels extending three-dimensional spiral-shaped
US-2018283580-A1 · Oct 4, 2018 · US
Flow regulator
US-2018238464-A1 · Aug 23, 2018 · US
Displacement control valve
US-2017284562-A1 · Oct 5, 2017 · US
Toilet fill valve with improved noise performance
US-2017269614-A1 · Sep 21, 2017 · US