Electric propulsion system for an aircraft
US-10137981-B2 · Nov 27, 2018 · US
for sucking (BLI propulsion B64C21/01)
for sucking (BLI propulsion B64C21/01) · 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 | B64C21/06 |
| Official title | for sucking (BLI propulsion B64C21/01) |
| Display label | for sucking (BLI propulsion B64C21/01) |
| Total patents | 270 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 18 |
| 2017 | 22 |
| 2018 | 37 |
| 2019 | 36 |
| 2020 | 44 |
| 2021 | 24 |
| 2022 | 31 |
| 2023 | 20 |
| 2024 | 14 |
| 2025 | 14 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Propulsion System for an Aircraft
US-2018305036-A1 · Oct 25, 2018 · US
Propulsion System for an Aircraft
US-2018304753-A1 · Oct 25, 2018 · US
Gas-Electric Propulsion System for an Aircraft
US-2018257787-A1 · Sep 13, 2018 · US
Gas-electric propulsion system for an aircraft
US-10000293-B2 · Jun 19, 2018 · US
Air distribution system with drag reducing inlet
US-2018118331-A1 · May 3, 2018 · US
Aircraft having an aft engine
US-2018086437-A1 · Mar 29, 2018 · US
Aft engine nacelle shape for an aircraft
US-2018057182-A1 · Mar 1, 2018 · US
Thermal management system for an electric propulsion engine
US-2018051716-A1 · Feb 22, 2018 · US
Inlet assembly for an aircraft aft fan
US-2018043996-A1 · Feb 15, 2018 · US
Inlet assembly for an aircraft aft fan
US-2018043997-A1 · Feb 15, 2018 · US
Distributed Compressor for Improved Integration and Performance of an Active Fluid Flow Control System
US-2017349268-A1 · Dec 7, 2017 · US
Aft engine for an aircraft
US-9821917-B2 · Nov 21, 2017 · US
AFT engine nacelle shape for an aircraft
US-9815560-B2 · Nov 14, 2017 · US
Method of controlling boundary layer flow
US-9789954-B2 · Oct 17, 2017 · US
Electric propulsion engine for an aircraft
US-2017291693-A1 · Oct 12, 2017 · US
Actuator assembly
US-2017283043-A1 · Oct 5, 2017 · US
Active control flow system and method of cooling and providing active flow control
US-2017268409-A1 · Sep 21, 2017 · US
Aircraft Aerodynamic Surface With A Detachable Leading Edge
US-2017259902-A1 · Sep 14, 2017 · US
Method, injection moulding tool for manufacturing a leading edge section with hybrid laminar flow control for an aircraft, and leading edge section with hybrid laminar flow control obtained thereof
US-2017259903-A1 · Sep 14, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C21/06?
- CPC B64C21/06 is the Cooperative Patent Classification code for “for sucking (BLI propulsion B64C21/01).”
- How many patents are filed under CPC B64C21/06 (for sucking (BLI propulsion B64C21/01))?
- Our database includes 270 publications tagged with this CPC code.
- Is patent activity under CPC B64C21/06 growing?
- Publication counts under this code: 14 in 2024 vs 14 in 2025 (latest complete years).