Removable Air Filter Assemblies for Aircraft
US-2021215097-A1 · Jul 15, 2021 · US
Accessories not provided for elsewhere
Accessories not provided for elsewhere · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B64C29/0091 |
| Official title | {Accessories not provided for elsewhere} |
| Display label | Accessories not provided for elsewhere |
| Total patents | 126 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 7 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 26 |
| 2021 | 13 |
| 2022 | 13 |
| 2023 | 16 |
| 2024 | 16 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Supplemental attitude with engaged and disengaged input device modes
US-10845824-B2 · Nov 24, 2020 · US
Energy Absorbing Landing Systems for Aircraft
US-2020346743-A1 · Nov 5, 2020 · US
Aircraft lubrication system
US-10816085-B2 · Oct 27, 2020 · US
HVAC arrangement including a motor vehicle and a drone
US-10793268-B2 · Oct 6, 2020 · US
Modular personal transportation system
US-2020307792-A1 · Oct 1, 2020 · US
Systems and methods for maintaining attitude control under degraded energy source conditions using multiple propulsors
US-2020307390-A1 · Oct 1, 2020 · US
Piezoelectric Thrust Vector Control for Dual-Mode Unmanned Aerial Vehicle
US-2020298961-A1 · Sep 24, 2020 · US
Method and system for improving transition lift-fan performance
US-10766614-B2 · Sep 8, 2020 · US
Unmanned aerial vehicle
US-2020277040-A1 · Sep 3, 2020 · US
Method and apparatus for determining a movement direction of a component of a mechanism
US-10723446-B2 · Jul 28, 2020 · US
Motive fairing assembly for use in rotorcrafts
US-2020223552-A1 · Jul 16, 2020 · US
Modular personal transportation system
US-10703480-B1 · Jul 7, 2020 · US
Electric reaction control system
US-2020172237-A1 · Jun 4, 2020 · US
Two vehicle transportation system
US-2020172245-A1 · Jun 4, 2020 · US
Vertical take-off and landing multirotor aircraft with at least eight thrust producing units
US-2020164972-A1 · May 28, 2020 · US
System and Method for Improving Transition Lift-Fan Performance
US-2020164974-A1 · May 28, 2020 · US
Automotive drone deployment system
US-10642279-B2 · May 5, 2020 · US
Secured lines for ballistic recovery system
US-10625870-B1 · Apr 21, 2020 · US
Aircraft landing assist apparatus, aircraft landing assist method, and non-transitory storage medium
US-2020094948-A1 · Mar 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C29/0091?
- CPC B64C29/0091 is the Cooperative Patent Classification code for “Accessories not provided for elsewhere.”
- How many patents are filed under CPC B64C29/0091 (Accessories not provided for elsewhere)?
- Our database includes 126 publications tagged with this CPC code.
- Is patent activity under CPC B64C29/0091 growing?
- Publication counts under this code: 16 in 2024 vs 8 in 2025 (latest complete years).