Coil spring, suspension device, and coil spring manufacturing method
US-2025230850-A1 · Jul 17, 2025 · US
characterised by the ends of the spring being specially adapted, e.g. to form an eye for engagement with a radial insert (F16F1/122, F16F1/125 take precedence)
characterised by the ends of the spring being specially adapted, e.g. to form an eye for engagement with a radial insert (F16F1/122, F16F1/125 take 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 | F16F1/123 |
| Official title | {characterised by the ends of the spring being specially adapted, e.g. to form an eye for engagement with a radial insert (F16F1/122, F16F1/125 take precedence)} |
| Display label | characterised by the ends of the spring being specially adapted, e.g. to form an eye for engagement with a radial insert (F16F1/122, F16F1/125 take precedence) |
| Total patents | 58 |
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 |
| 2017 | 6 |
| 2018 | 14 |
| 2019 | 4 |
| 2020 | 9 |
| 2021 | 9 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Elastic support member, and suspension device
US-2025052293-A1 · Feb 13, 2025 · US
Wave spring
US-12092181-B2 · Sep 17, 2024 · US
Variable torsion spring damping rotating shaft
US-12044051-B2 · Jul 23, 2024 · US
Linear compressor
US-12044223-B2 · Jul 23, 2024 · US
Coil spring, suspension device, and method for producing coil spring
US-2024229884-A9 · Jul 11, 2024 · US
Coil spring, suspension device, and method for producing coil spring
US-2024133440-A1 · Apr 25, 2024 · US
Coil spring
US-11719298-B2 · Aug 8, 2023 · US
Linear compressor
US-2023151801-A1 · May 18, 2023 · US
Linear compressor
US-11585333-B2 · Feb 21, 2023 · US
Pipe coupling having valve element and coil spring for use therein
US-11530768-B2 · Dec 20, 2022 · US
Wave spring
US-2022389964-A1 · Dec 8, 2022 · US
Worm reducer and method for manufacturing worm reducer
US-11441665-B2 · Sep 13, 2022 · US
Spring clutch arm assembly
US-11365009-B2 · Jun 21, 2022 · US
Variable torsion spring damping rotating shaft
US-2021372462-A1 · Dec 2, 2021 · US
Pipe coupling having valve element and coil spring for use therein
US-2021364113-A1 · Nov 25, 2021 · US
Coil spring
US-11181160-B2 · Nov 23, 2021 · US
Coil spring
US-2021324930-A1 · Oct 21, 2021 · US
Inverted constant force window balance
US-11136801-B2 · Oct 5, 2021 · US
Spring clutch arm assembly
US-2021276718-A1 · Sep 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F1/123?
- CPC F16F1/123 is the Cooperative Patent Classification code for “characterised by the ends of the spring being specially adapted, e.g. to form an eye for engagement with a radial insert (F16F1/122, F16F1/125 take precedence).”
- How many patents are filed under CPC F16F1/123 (characterised by the ends of the spring being specially adapted, e.g. to form an eye for engagement with a radial insert (F16F1/122, F16F1/125 take precedence))?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC F16F1/123 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).