High-place observation device including an extendable rod-shaped body and a detachable rotorcraft
US-11774832-B2 · Oct 3, 2023 · US
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connecting two or more balloons in superimposed relationship
connecting two or more balloons in superimposed relationship · 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 | B64B1/54 |
| Official title | connecting two or more balloons in superimposed relationship |
| Display label | connecting two or more balloons in superimposed relationship |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-place observation device including a gas balloon and a detachable rotorcraft
US-2023014788-A1 · Jan 19, 2023 · US
High-place observation device including a gas balloon and a detachable rotorcraft
US-11487189-B2 · Nov 1, 2022 · US
Flight vehicle with drone and lift-producing protrusion
US-11352134-B2 · Jun 7, 2022 · US
High-Place Observation Device
US-2021149279-A1 · May 20, 2021 · US
Flight vehicle with drone and lift-producing protrusion
US-2019210723-A1 · Jul 11, 2019 · US