Vibration damper and washing machine including the same
US-10519584-B2 · Dec 31, 2019 · US
in dampers of the cylinder-and-piston type
in dampers of the cylinder-and-piston type · 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 | F16F7/09 |
| Official title | in dampers of the cylinder-and-piston type |
| Display label | in dampers of the cylinder-and-piston type |
| Total patents | 124 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 14 |
| 2017 | 12 |
| 2018 | 13 |
| 2019 | 10 |
| 2020 | 13 |
| 2021 | 9 |
| 2022 | 12 |
| 2023 | 13 |
| 2024 | 9 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Damping device and washing machine including the same
US-10501881-B2 · Dec 10, 2019 · US
Industrial truck comprising a device for reducing vibrations
US-10464793-B2 · Nov 5, 2019 · US
Gas cushion device
US-2019301557-A1 · Oct 3, 2019 · US
Vehicular body reinforcing device
US-10428893-B2 · Oct 1, 2019 · US
Damper
US-2019249739-A1 · Aug 15, 2019 · US
Heat exchanger for cooled cooling air with adjustable damper
US-2019178164-A1 · Jun 13, 2019 · US
Variable damping shock absorber
US-10288140-B2 · May 14, 2019 · US
Actuator with vibration attenuation using visco elastic materials
US-2019118959-A1 · Apr 25, 2019 · US
Heat exchanger for cooled cooling air with adjustable damper
US-10253695-B2 · Apr 9, 2019 · US
Lubrication mechanism design for aircraft landing gear bearings
US-2018363723-A1 · Dec 20, 2018 · US
Fusible link with coulomb damping
US-10132245-B2 · Nov 20, 2018 · US
Variable friction tuning for shock absorption
US-2018298975-A1 · Oct 18, 2018 · US
Damper for a fuel delivery system
US-2018291976-A1 · Oct 11, 2018 · US
Brake device
US-2018259032-A1 · Sep 13, 2018 · US
Vehicle body reinforcement device
US-10059373-B2 · Aug 28, 2018 · US
Laundry treatment apparatus
US-10023989-B2 · Jul 17, 2018 · US
Laundry processing machine
US-10011936-B2 · Jul 3, 2018 · US
Vehicular body reinforcing device
US-2018149227-A1 · May 31, 2018 · US
Damper
US-2018149228-A1 · May 31, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F7/09?
- CPC F16F7/09 is the Cooperative Patent Classification code for “in dampers of the cylinder-and-piston type.”
- How many patents are filed under CPC F16F7/09 (in dampers of the cylinder-and-piston type)?
- Our database includes 124 publications tagged with this CPC code.
- Is patent activity under CPC F16F7/09 growing?
- Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).