Payload delivery system with spool braking device
US-11214371-B2 · Jan 4, 2022 · US
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Fluid-resistance brakes
Fluid-resistance brakes · 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 | B66D5/026 |
| Official title | {Fluid-resistance brakes} |
| Display label | Fluid-resistance brakes |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Payload Delivery System
US-2019202562-A1 · Jul 4, 2019 · US
Payload delivery system with removable spool
US-10266266-B2 · Apr 23, 2019 · US
Lifting arrangement
US-2018044145-A1 · Feb 15, 2018 · US
Payload Delivery System
US-2017334561-A1 · Nov 23, 2017 · US
Crane
US-9327950-B2 · May 3, 2016 · US