Method of assemblying and operating an autorotating payload delivery device
US-2026001645-A1 · Jan 1, 2026 · US
Devices for folding or adjusting the blades · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B64C27/022 |
| Official title | {Devices for folding or adjusting the blades} |
| Display label | Devices for folding or adjusting the blades |
| Total patents | 14 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026001645-A1 · Jan 1, 2026 · US
US-12434822-B2 · Oct 7, 2025 · US
US-2025051007-A1 · Feb 13, 2025 · US
US-2025051008-A1 · Feb 13, 2025 · US
US-11524766-B2 · Dec 13, 2022 · US
US-11305871-B2 · Apr 19, 2022 · US
US-2021371085-A1 · Dec 2, 2021 · US
US-11001374-B2 · May 11, 2021 · US
US-2021016876-A1 · Jan 21, 2021 · US
US-10843795-B2 · Nov 24, 2020 · US
US-10787244-B2 · Sep 29, 2020 · US
US-2019382106-A1 · Dec 19, 2019 · US
US-2019382100-A1 · Dec 19, 2019 · US
US-2019077501-A1 · Mar 14, 2019 · US