Combined composite and metal energy absorber
US-2019390729-A1 · Dec 26, 2019 · US
Mechanical Engineering
Mechanical Engineering · 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 | F16F3/02 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 152 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 16 |
| 2019 | 27 |
| 2020 | 15 |
| 2021 | 20 |
| 2022 | 14 |
| 2023 | 15 |
| 2024 | 14 |
| 2025 | 11 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Torsion springs with changeable stiffness
US-10495171-B1 · Dec 3, 2019 · US
Conical spring washer, transmission system, and method of assembly thereof
US-2019360546-A1 · Nov 28, 2019 · US
Steering device of vehicle
US-10479393-B2 · Nov 19, 2019 · US
Shock-absorbing device
US-10458504-B2 · Oct 29, 2019 · US
Bi-Directional Non-Linear Spring
US-2019323572-A1 · Oct 24, 2019 · US
Base isolation apparatus, lifting apparatus, and base isolation unit
US-2019315595-A1 · Oct 17, 2019 · US
Base isolation unit and base isolation apparatus
US-10443677-B2 · Oct 15, 2019 · US
Disc spring assembly
US-2019293141-A1 · Sep 26, 2019 · US
Vibration isolator mechanism with adjustable force-deflection characteristics
US-10371229-B2 · Aug 6, 2019 · US
A moveable joint
US-2019234385-A1 · Aug 1, 2019 · US
System for controlling the movement of a load
US-10359093-B2 · Jul 23, 2019 · US
Suspension arrangement for a tracked vehicle comprising parts of different modulus of elasticity
US-2019210670-A1 · Jul 11, 2019 · US
Hingeless, large-throw negative stiffness structure
US-10344822-B2 · Jul 9, 2019 · US
Bi-directional non-linear spring
US-10337577-B2 · Jul 2, 2019 · US
Shock absorber system comprising a primary shock absorber device and a secondary shock absorber device of different stiffnesses, associated structure and aircraft
US-2019195304-A1 · Jun 27, 2019 · US
Vibration isolator mechanism with adjustable force-deflection characteristics
US-2019186588-A1 · Jun 20, 2019 · US
Vibration isolator with series and/or parallel conical disc spring member arrangements
US-2019186589-A1 · Jun 20, 2019 · US
Torsion device
US-10309442-B2 · Jun 4, 2019 · US
Wastegate valve assembly with biasing members
US-2019120129-A1 · Apr 25, 2019 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F3/02?
- CPC F16F3/02 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F16F3/02 (Mechanical Engineering)?
- Our database includes 152 publications tagged with this CPC code.
- Is patent activity under CPC F16F3/02 growing?
- Publication counts under this code: 14 in 2024 vs 11 in 2025 (latest complete years).