Vibration damper and washing machine including the same
US-10519584-B2 · Dec 31, 2019 · US
Friction
Friction · 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 | F16F2222/04 |
| Official title | Friction |
| Display label | Friction |
| Total patents | 184 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 17 |
| 2018 | 19 |
| 2019 | 20 |
| 2020 | 22 |
| 2021 | 29 |
| 2022 | 21 |
| 2023 | 17 |
| 2024 | 19 |
| 2025 | 12 |
| 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
Composite materials having embedded metal ropes for increased damping capacity and methods of manufacturing same
US-10495175-B2 · Dec 3, 2019 · US
Motion-damping systems and methods including the same
US-10487906-B2 · Nov 26, 2019 · US
System and device for window covering system
US-10451145-B2 · Oct 22, 2019 · US
Hybrid vehicle
US-2019309822-A1 · Oct 10, 2019 · US
Clutch disk with torsional angular-dependent friction damping device
US-10428876-B2 · Oct 1, 2019 · US
Window covering system and window covering control apparatus thereof
US-10428899-B2 · Oct 1, 2019 · US
Rotational structure for rotary knob
US-10401895-B2 · Sep 3, 2019 · US
Damper device
US-2019264773-A1 · Aug 29, 2019 · US
Damper device
US-2019264774-A1 · Aug 29, 2019 · US
Frictionally damped fasteners and methods of manufacturing the same
US-2019195264-A1 · Jun 27, 2019 · US
Window covering system and window covering control assembly thereof
US-10302172-B2 · May 28, 2019 · US
Vibration reduction device
US-2019145491-A1 · May 16, 2019 · US
Variable damping shock absorber
US-10288140-B2 · May 14, 2019 · US
Variable damping assembly and air filtering device having the same
US-10281000-B2 · May 7, 2019 · US
Composite materials having embedded metal ropes for increased damping capacity and methods of manufacturing same
US-2019048958-A1 · Feb 14, 2019 · US
Reduced noise flexplate
US-2018363726-A1 · Dec 20, 2018 · US
Engine support
US-2018334023-A1 · Nov 22, 2018 · US
Variable friction tuning for shock absorption
US-2018298975-A1 · Oct 18, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F2222/04?
- CPC F16F2222/04 is the Cooperative Patent Classification code for “Friction.”
- How many patents are filed under CPC F16F2222/04 (Friction)?
- Our database includes 184 publications tagged with this CPC code.
- Is patent activity under CPC F16F2222/04 growing?
- Publication counts under this code: 19 in 2024 vs 12 in 2025 (latest complete years).