Power transmission device
US-12241535-B2 · Mar 4, 2025 · US
Fluid clutches in which the clutching is predominantly obtained by fluid adhesion (F16D37/00 takes precedence {; arrangements of viscous clutches in four-wheel drives - B60K17/3465 and B60K17/351})
Fluid clutches in which the clutching is predominantly obtained by fluid adhesion (F16D37/00 takes precedence {; arrangements of viscous clutches in four-wheel drives - B60K17/3465 and B60K17/351}) · 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 | F16D35/00 |
| Official title | Fluid clutches in which the clutching is predominantly obtained by fluid adhesion (F16D37/00 takes precedence {; arrangements of viscous clutches in four-wheel drives - B60K17/3465 and B60K17/351}) |
| Display label | Fluid clutches in which the clutching is predominantly obtained by fluid adhesion (F16D37/00 takes precedence {; arrangements of viscous clutches in four-wheel drives - B60K17/3465 and B60K17/351}) |
| Total patents | 27 |
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 | 2 |
| 2016 | 2 |
| 2017 | 4 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Clutch system with phase changing materials
US-11953061-B2 · Apr 9, 2024 · US
Power transmission device
US-2024011548-A1 · Jan 11, 2024 · US
Clutch system with phase changing materials
US-2022178406-A1 · Jun 9, 2022 · US
Brake using magnetorheological transmission and brake-by-wire
US-11268586-B2 · Mar 8, 2022 · US
Torque converter
US-11131373-B2 · Sep 28, 2021 · US
Technique for cooling for an internal combustion engine
US-10815864-B2 · Oct 27, 2020 · US
Torque converter
US-2020325971-A1 · Oct 15, 2020 · US
Apparatus and method for fixing sticking damper clutch
US-10788096-B2 · Sep 29, 2020 · US
Work vehicle
US-10753407-B2 · Aug 25, 2020 · US
Work vehicle
US-2020166087-A1 · May 28, 2020 · US
Apparatus employing shear forces to transmit energy having flow altering structures configured to increase heat rejection from a working fluid and related method
US-10619682-B2 · Apr 14, 2020 · US
Brake using magnetorheological transmission and brake-by-wire
US-2020049217-A1 · Feb 13, 2020 · US
Clutched compressor section for gas turbine engine
US-10473028-B2 · Nov 12, 2019 · US
Apparatus Employing Shear Forces To Transmit Energy Having Flow Altering Structures Configured To Increase Heat Rejection From A Working Fluid And Related Method
US-2019293130-A1 · Sep 26, 2019 · US
Apparatus employing shear forces to transmit energy having flow altering structures configured to increase heat rejection from a working fluid and related method
US-10364852-B2 · Jul 30, 2019 · US
Technique for cooling for an internal combustion engine
US-2019101044-A1 · Apr 4, 2019 · US
Apparatus and method for fixing sticking damper clutch
US-2019048969-A1 · Feb 14, 2019 · US
Clutched compressor section for gas turbine engine
US-2019017436-A1 · Jan 17, 2019 · US
Apparatus employing shear forces to transmit energy having flow altering structures configured to increase heat rejection from a working fluid and related method
US-2017130783-A1 · May 11, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D35/00?
- CPC F16D35/00 is the Cooperative Patent Classification code for “Fluid clutches in which the clutching is predominantly obtained by fluid adhesion (F16D37/00 takes precedence {; arrangements of viscous clutches in four-wheel drives - B60K17/3465 and B60K17/351}).”
- How many patents are filed under CPC F16D35/00 (Fluid clutches in which the clutching is predominantly obtained by fluid adhesion (F16D37/00 takes precedence {; arrangements of viscous clutches in four-wheel drives - B60K17/3465 and B60K17/351}))?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F16D35/00 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).