Hub assembly having a ptich lock system
US-2026078681-A1 · Mar 19, 2026 · US
using friction, e.g. brake pads
using friction, e.g. brake pads · 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 | F15B15/262 |
| Official title | {using friction, e.g. brake pads} |
| Display label | using friction, e.g. brake pads |
| Total patents | 55 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 8 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hub assembly having a pitch lock system
US-12480414-B2 · Nov 25, 2025 · US
Linear actuating device and associated aircraft rotor test bench
US-2025346368-A1 · Nov 13, 2025 · US
Fluid power actuator utilizing a screw assembly
US-12449216-B2 · Oct 21, 2025 · US
Hydraulic device, hydraulic motor and construction machine
US-12428808-B2 · Sep 30, 2025 · US
Actuator unit
US-2025154969-A1 · May 15, 2025 · US
Controlling multiple eversion-based actuators
US-2025075713-A1 · Mar 6, 2025 · US
Actuation system for a motor
US-2025035170-A1 · Jan 30, 2025 · US
Fluid power actuator utilizing a screw assembly
US-2024418466-A1 · Dec 19, 2024 · US
Controlling multiple eversion-based actuators
US-12146511-B2 · Nov 19, 2024 · US
Methods and apparatus to control propeller pitch in dual acting propellers
US-2024359793-A1 · Oct 31, 2024 · US
Controlling multiple eversion-based actuators
US-2024247665-A1 · Jul 25, 2024 · US
Pitch lock system
US-2024240566-A1 · Jul 18, 2024 · US
Anti-loosening device and plunger pump
US-12006955-B2 · Jun 11, 2024 · US
Hydraulic device, hydraulic motor and construction machine
US-2024175239-A1 · May 30, 2024 · US
Hydraulic system
US-2024151247-A1 · May 9, 2024 · US
Safety valve arrangement and actuator system
US-2023383770-A1 · Nov 30, 2023 · US
Actuators
US-2023304517-A1 · Sep 28, 2023 · US
Multirod fluid actuator arrangement
US-11506231-B2 · Nov 22, 2022 · US
Anti-loosening device and plunger pump
US-2022235802-A1 · Jul 28, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B15/262?
- CPC F15B15/262 is the Cooperative Patent Classification code for “using friction, e.g. brake pads.”
- How many patents are filed under CPC F15B15/262 (using friction, e.g. brake pads)?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC F15B15/262 growing?
- Publication counts under this code: 8 in 2024 vs 7 in 2025 (latest complete years).