Self-sustaining shimmy damper system for landing gear shock strut assemblies
US-2023182892-A1 · Jun 15, 2023 · US
using permanent magnets only
using permanent magnets only · 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 | F16F6/005 |
| Official title | {using permanent magnets only} |
| Display label | using permanent magnets only |
| Total patents | 69 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 8 |
| 2017 | 10 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 8 |
| 2022 | 10 |
| 2023 | 7 |
| 2024 | 4 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary and linear adjustable stiffness magnetic springs
US-2023151868-A1 · May 18, 2023 · US
Apparatus for Dispersing Impact Forces
US-2023151869-A1 · May 18, 2023 · US
Elastic support device
US-11639743-B2 · May 2, 2023 · US
Negative stiffness generating mechanism and quasi-zero stiffness vibration isolator
US-2023074188-A1 · Mar 9, 2023 · US
Quasi-zero stiffness absolute displacement sensor based on electromagnetic positive stiffness
US-11573101-B2 · Feb 7, 2023 · US
Apparatus for dispersing impact forces
US-11560931-B2 · Jan 24, 2023 · US
Quasi-zero stiffness absolute displacement sensor based on electromagnetic positive stiffness
US-2022404172-A1 · Dec 22, 2022 · US
Seat suspension mechanism
US-2022371487-A1 · Nov 24, 2022 · US
Single-degree-of-freedom magnetic damping shock absorber based on eddy current effect
US-11493107-B2 · Nov 8, 2022 · US
Magnetic self-centering shimmy damper
US-11492104-B2 · Nov 8, 2022 · US
Suspension mechanism, multi-suspension mechanism and damper
US-11440448-B2 · Sep 13, 2022 · US
Magnetic liquid damping shock absorber
US-11365779-B2 · Jun 21, 2022 · US
Magnetic liquid damping shock absorber
US-2022128111-A1 · Apr 28, 2022 · US
Multi-dimensional magnetic negative-stiffness mechanism and multi-dimensional magnetic negative-stiffness vibration isolation system composed thereof
US-11255406-B2 · Feb 22, 2022 · US
Eddy current damper
US-11255407-B2 · Feb 22, 2022 · US
Quasi-Zero-Stiffness Based Six-Degree-Of-Freedom Absolute Displacement And Attitude Measurement Device
US-2022003532-A1 · Jan 6, 2022 · US
Single-degree-of-freedom magnetic damping shock absorber based on eddy current effect
US-2021404529-A1 · Dec 30, 2021 · US
Eddy current damper
US-2021363771-A1 · Nov 25, 2021 · US
Suspension mechanism, multi-suspension mechanism and damper
US-2021309133-A1 · Oct 7, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F6/005?
- CPC F16F6/005 is the Cooperative Patent Classification code for “using permanent magnets only.”
- How many patents are filed under CPC F16F6/005 (using permanent magnets only)?
- Our database includes 69 publications tagged with this CPC code.
- Is patent activity under CPC F16F6/005 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).