Method of assemblying and operating an autorotating payload delivery device
US-2026001645-A1 · Jan 1, 2026 · US
This page is not indexed by search engines while we improve data quality.
Rotary-wing parachutes
Rotary-wing parachutes · 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 | B64D19/02 |
| Official title | Rotary-wing parachutes |
| Display label | Rotary-wing parachutes |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2018 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of assemblying and operating an autorotating payload delivery device
US-12434822-B2 · Oct 7, 2025 · US
Autorotating payload delivery device
US-2025051007-A1 · Feb 13, 2025 · US
Autorotating payload delivery device
US-2025051008-A1 · Feb 13, 2025 · US
Autorotating aerial device, method of forming the autorotating aerial device and an autorotating aerial system
US-12202612-B2 · Jan 21, 2025 · US
Autorotating aerial device, method of forming the autorotating aerial device and an autorotating aerial system
US-2023348075-A1 · Nov 2, 2023 · US
Auto rotating canister
US-11518515-B1 · Dec 6, 2022 · US
Auto rotating canister
US-11091265-B1 · Aug 17, 2021 · US
Non-motorized type flying unit for observation
US-10753714-B2 · Aug 25, 2020 · US
Electronic device and method controlling accessory
US-10725560-B2 · Jul 28, 2020 · US
Electronic device and method controlling accessory
US-2018292915-A1 · Oct 11, 2018 · US
Non- motorized type flying unit for observation
US-2018111682-A1 · Apr 26, 2018 · US