Integrated operating apparatus for different type gates
US-12492590-B2 · Dec 9, 2025 · US
with axially-movable friction surfaces
with axially-movable friction 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 | F16D27/04 |
| Official title | with axially-movable friction surfaces |
| Display label | with axially-movable friction surfaces |
| Total patents | 53 |
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 | 8 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 10 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary power transmission device with actuator retention feature
US-12110929-B2 · Oct 8, 2024 · US
Integrated Operating Apparatus for Different Type Gates
US-2024159098-A1 · May 16, 2024 · US
Prime mover systems including multi-accessory drives and methods of controlling same
US-11781475-B2 · Oct 10, 2023 · US
Rotary power transmission device with actuator retention feature
US-2023296141-A1 · Sep 21, 2023 · US
Wet friction disc and friction engaging device
US-11585392-B2 · Feb 21, 2023 · US
Prime mover systems including multi-accessory drives and methods of controlling same
US-2023003167-A1 · Jan 5, 2023 · US
Power tool including electromagnetic clutch
US-11529725-B2 · Dec 20, 2022 · US
Prime mover systems including multi-accessory drives and methods of controlling same
US-11441479-B2 · Sep 13, 2022 · US
Dynamic controllable dog clutch
US-2022235829-A1 · Jul 28, 2022 · US
Wet friction disc and friction engaging device
US-2022090638-A1 · Mar 24, 2022 · US
Variable apply diameter piston
US-2021116024-A1 · Apr 22, 2021 · US
Electromagnetic clutch and opening and closing body drive device for vehicle
US-2021040787-A1 · Feb 11, 2021 · US
Braking or clutch assembly for rotating shafts
US-10883554-B2 · Jan 5, 2021 · US
Motor with speed reducer
US-2020393043-A1 · Dec 17, 2020 · US
Electromagnetic clutch of a brushless control-by-wire centrifugal ball arm engagement device
US-10830289-B2 · Nov 10, 2020 · US
Shaft decoupler for electric generator
US-10690196-B2 · Jun 23, 2020 · US
Self-Adjusting Armature Assembly
US-2020182308-A1 · Jun 11, 2020 · US
An electromagnetic clutch of a brushless control-by-wire centrifugal ball arm engagement device
US-2019390720-A1 · Dec 26, 2019 · US
Vehicle transfer structure
US-10513176-B2 · Dec 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D27/04?
- CPC F16D27/04 is the Cooperative Patent Classification code for “with axially-movable friction surfaces.”
- How many patents are filed under CPC F16D27/04 (with axially-movable friction surfaces)?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC F16D27/04 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).