Protection functions
US-2021354841-A1 · Nov 18, 2021 · US
Initiating means
Initiating means · 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 | B64D31/02 |
| Official title | Initiating means |
| Display label | Initiating means |
| Total patents | 146 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 15 |
| 2019 | 10 |
| 2020 | 18 |
| 2021 | 22 |
| 2022 | 18 |
| 2023 | 12 |
| 2024 | 23 |
| 2025 | 16 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Decoupled hand controls for aircraft with vertical takeoff and landing and forward flight capabilities
US-2021339848-A1 · Nov 4, 2021 · US
Decoupled hand controls for aircraft with vertical takeoff and landing and forward flight capabilities
US-11104419-B2 · Aug 31, 2021 · US
Displacement control hydrostatic propulsion system for multirotor vertical take off and landing aircraft
US-2021188452-A1 · Jun 24, 2021 · US
Efficient Engine Start
US-2021189977-A1 · Jun 24, 2021 · US
Method and system for determining a throttle position of an aircraft
US-2021188454-A1 · Jun 24, 2021 · US
Autonomous propeller propulsion system for an aircraft, said autonomous propeller propulsion system comprising a fuel cell
US-2021078719-A1 · Mar 18, 2021 · US
Avionic function test device, associated aircraft, method and computer program
US-2020348350-A1 · Nov 5, 2020 · US
Metered orifice for motoring of a gas turbine engine
US-10823079-B2 · Nov 3, 2020 · US
Method of optimizing the noise generated on the ground by a rotorcraft
US-2020331621-A1 · Oct 22, 2020 · US
Aviation hydraulic propulsion system utilizing secondary controlled drives
US-2020307811-A1 · Oct 1, 2020 · US
Method for processing throttle control signal, electronic speed regulator, controller, and mobile platform
US-2020290460-A1 · Sep 17, 2020 · US
Propulsion system for an aircraft
US-2020290745-A1 · Sep 17, 2020 · US
Aircraft having hybrid-electric propulsion system with electric storage located in wings
US-2020277062-A1 · Sep 3, 2020 · US
Hybrid propulsion system for a multi-engine aircraft
US-10737795-B2 · Aug 11, 2020 · US
Modular power distribution assembly
US-10742031-B2 · Aug 11, 2020 · US
Pre-start motoring synchronization for multiple engines
US-2020207482-A1 · Jul 2, 2020 · US
Propulsion system for an aircraft
US-10676199-B2 · Jun 9, 2020 · US
System controller for a hybrid aircraft propulsion system
US-2020140106-A1 · May 7, 2020 · US
Motor control method, apparatus, and system
US-10640224-B2 · May 5, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64D31/02?
- CPC B64D31/02 is the Cooperative Patent Classification code for “Initiating means.”
- How many patents are filed under CPC B64D31/02 (Initiating means)?
- Our database includes 146 publications tagged with this CPC code.
- Is patent activity under CPC B64D31/02 growing?
- Publication counts under this code: 23 in 2024 vs 16 in 2025 (latest complete years).