Starter freewheel and freewheel arrangement having a starter freewheel of this kind
US-10371217-B2 · Aug 6, 2019 · US
between two cylindrical surfaces
between two cylindrical surfaces · 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 | F16D41/07 |
| Official title | between two cylindrical surfaces |
| Display label | between two cylindrical surfaces |
| Total patents | 179 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 13 |
| 2017 | 9 |
| 2018 | 20 |
| 2019 | 12 |
| 2020 | 10 |
| 2021 | 6 |
| 2022 | 9 |
| 2023 | 23 |
| 2024 | 25 |
| 2025 | 31 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Shaft anti-rotation device
US-10316855-B2 · Jun 11, 2019 · US
Clutch assembly for aircraft drive wheel drive system
US-10272992-B2 · Apr 30, 2019 · US
Rotation transmitting apparatus with built-in one-way clutch
US-10160929-B2 · Dec 25, 2018 · US
Rotation transmission device
US-10151357-B2 · Dec 11, 2018 · US
Mechanism and system for rotating an elongate member of an oil pump
US-10107371-B2 · Oct 23, 2018 · US
Sprag one-way clutch
US-2018259011-A1 · Sep 13, 2018 · US
Process for repairing a worn carburized steel surface of a sprag clutch
US-10053746-B1 · Aug 21, 2018 · US
Clutch carrier assembly having retention lip and fluid dam
US-10047806-B2 · Aug 14, 2018 · US
One-way clutch
US-2018223986-A1 · Aug 9, 2018 · US
Vehicle drive device
US-2018208041-A1 · Jul 26, 2018 · US
Permanently engaged starter with dry friction clutch
US-10018230-B2 · Jul 10, 2018 · US
Low backlash multimode clutch
US-2018172088-A1 · Jun 21, 2018 · US
Drivetrain subassembly having an integrated sprag clutch race and gear shaft member
US-2018163795-A1 · Jun 14, 2018 · US
Rotation transmission device and wind power generation device equipped with the same
US-9995349-B2 · Jun 12, 2018 · US
Electric retractable view device for vehicle, and shaft outside-fitting gear incorporated in the device
US-2018105112-A1 · Apr 19, 2018 · US
Electric retractable view device for vehicle
US-2018105113-A1 · Apr 19, 2018 · US
Driving system for vehicle
US-9945446-B2 · Apr 17, 2018 · US
Decoupler assembly
US-2018087584-A1 · Mar 29, 2018 · US
Permanently engaged starter with dry friction clutch
US-2018073568-A1 · Mar 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D41/07?
- CPC F16D41/07 is the Cooperative Patent Classification code for “between two cylindrical surfaces.”
- How many patents are filed under CPC F16D41/07 (between two cylindrical surfaces)?
- Our database includes 179 publications tagged with this CPC code.
- Is patent activity under CPC F16D41/07 growing?
- Publication counts under this code: 25 in 2024 vs 31 in 2025 (latest complete years).