Flexible structures
US-2024418236-A1 · Dec 19, 2024 · US
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with partial nesting of inner and outer coils (F16F3/04 takes precedence)
with partial nesting of inner and outer coils (F16F3/04 takes precedence) · 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 | F16F1/046 |
| Official title | {with partial nesting of inner and outer coils (F16F3/04 takes precedence)} |
| Display label | with partial nesting of inner and outer coils (F16F3/04 takes precedence) |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 3 |
| 2019 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Helical spring for a pump having an adjustable delivery volume
US-2022065248-A1 · Mar 3, 2022 · US
Air-dryer cartridge and helical spring for an air-dryer cartridge
US-11007992-B2 · May 18, 2021 · US
Ignition apparatus having a spring for electrically connecting a spark plug
US-10907605-B2 · Feb 2, 2021 · US
Ignition Apparatus Having a Spring for Electrically Connecting a Spark Plug
US-2019226442-A1 · Jul 25, 2019 · US
Air-Dryer Cartridge and Helical Spring for an Air-Dryer Cartridge
US-2018370516-A1 · Dec 27, 2018 · US
Torsion spring internal damper
US-9926851-B2 · Mar 27, 2018 · US
Fluid pressure motor, brake device of the same, and method of manufacturing brake device
US-2018065610-A1 · Mar 8, 2018 · US
Drug Delivery Device with Dual Layer Spring
US-2016129188-A1 · May 12, 2016 · US
Torsion spring internal damper
US-2015292415-A1 · Oct 15, 2015 · US