Aircraft landing gear arrangement
US-12583578-B2 · Mar 24, 2026 · US
with open cooling system, e.g. cooled by air
with open cooling system, e.g. cooled by air · 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 | F16D65/827 |
| Official title | with open cooling system, e.g. cooled by air |
| Display label | with open cooling system, e.g. cooled by air |
| Total patents | 45 |
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 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 8 |
| 2022 | 3 |
| 2023 | 8 |
| 2024 | 6 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Drum brake consisting of two or more parts connected by isolating material
US-12516709-B2 · Jan 6, 2026 · US
Ventilated brake rotor
US-12313136-B2 · May 27, 2025 · US
System and method for use in connection with a wheel torque generating component in a heavy-duty vehicle
US-12304446-B2 · May 20, 2025 · US
Brake cooling system
US-2024426359-A1 · Dec 26, 2024 · US
Brake apparatus
US-2024401652-A1 · Dec 5, 2024 · US
System and method for use in connection with a wheel torque generating component in a heavy-duty vehicle
US-12145552-B2 · Nov 19, 2024 · US
Electric wheel assembly applicable for parallelly mounted dual-tire wheel, axle, and vehicle
US-12005784-B2 · Jun 11, 2024 · US
Drum brake apparatus for a vehicle air braking system and method of assembling the same
US-11973401-B2 · Apr 30, 2024 · US
Pot-shaped composite brake rotor for motor vehicles
US-11885384-B2 · Jan 30, 2024 · US
Brake drum
US-11719295-B2 · Aug 8, 2023 · US
Drum brake consisting of two or more parts connected by isolating material
US-2023204082-A1 · Jun 29, 2023 · US
System and method for use in connection with a wheel torque generating component in a heavy-duty vehicle
US-2023182710-A1 · Jun 15, 2023 · US
System and method for use in connection with a wheel torque generating component in a heavy-duty vehicle
US-2023182697-A1 · Jun 15, 2023 · US
Electric vehicle drum brake dust evacuation and cooling concept
US-11635118-B2 · Apr 25, 2023 · US
Aircraft landing gear arrangement
US-2023095069-A1 · Mar 30, 2023 · US
Splined drum and electric motor engagement assembly
US-11602951-B2 · Mar 14, 2023 · US
Ventilated brake rotor
US-2023008271-A1 · Jan 12, 2023 · US
Brake drum
US-2022228633-A1 · Jul 21, 2022 · US
Knuckle for a self-steering axle/suspension system
US-2022185369-A1 · Jun 16, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D65/827?
- CPC F16D65/827 is the Cooperative Patent Classification code for “with open cooling system, e.g. cooled by air.”
- How many patents are filed under CPC F16D65/827 (with open cooling system, e.g. cooled by air)?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC F16D65/827 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).