Coil spring
US-11181160-B2 · Nov 23, 2021 · US
wound- or coil-like
wound- or coil-like · 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 | F16F2238/026 |
| Official title | wound- or coil-like |
| Display label | wound- or coil-like |
| Total patents | 149 |
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 | 5 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 11 |
| 2019 | 12 |
| 2020 | 14 |
| 2021 | 29 |
| 2022 | 20 |
| 2023 | 18 |
| 2024 | 19 |
| 2025 | 8 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Shock absorber
US-11149815-B2 · Oct 19, 2021 · US
Steel wire for spring
US-11143257-B2 · Oct 12, 2021 · US
A three-dimensional isolator with adaptive stiffness property
US-2021301900-A1 · Sep 30, 2021 · US
Suspension Pre-Load Adjustment System
US-2021268858-A1 · Sep 2, 2021 · US
Tuned mass damper in an exterior rearview device
US-2021156450-A1 · May 27, 2021 · US
Suspension array and clothes treating apparatus including the same
US-2021062389-A1 · Mar 4, 2021 · US
Vibration-shock energy absorption device using composite tube, and building vibration control device using same
US-10895073-B2 · Jan 19, 2021 · US
Torque damper apparatus
US-2020386274-A1 · Dec 10, 2020 · US
Vibration-shock energy absorption device using composite tube, and building vibration control device using same
US-2020340243-A1 · Oct 29, 2020 · US
Unmanned aerial vehicle (UAV) recovery system
US-10800547-B1 · Oct 13, 2020 · US
Damper device
US-2020292028-A1 · Sep 17, 2020 · US
Linear Damper
US-2020263469-A1 · Aug 20, 2020 · US
Torsion damping device with main damper and additional damper
US-2020256396-A1 · Aug 13, 2020 · US
Shock absorber
US-2020191233-A1 · Jun 18, 2020 · US
Vehicle-mounted apparatus having biasing structure using coil spring
US-2020182322-A1 · Jun 11, 2020 · US
Spring assembly with adhered end caps, damper having spring assemblies with adhered end caps, and method of fabricating a spring assembly with adhered end caps
US-10670110-B2 · Jun 2, 2020 · US
Suspension Pre-Load Adjustment System
US-2020130451-A1 · Apr 30, 2020 · US
Damping device for structure
US-2020102996-A1 · Apr 2, 2020 · US
Spring seat vibration damper apparatus for use with pressure regulators
US-10578186-B2 · Mar 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F2238/026?
- CPC F16F2238/026 is the Cooperative Patent Classification code for “wound- or coil-like.”
- How many patents are filed under CPC F16F2238/026 (wound- or coil-like)?
- Our database includes 149 publications tagged with this CPC code.
- Is patent activity under CPC F16F2238/026 growing?
- Publication counts under this code: 19 in 2024 vs 8 in 2025 (latest complete years).