Elevator communication arrangement
US-11453570-B2 · Sep 27, 2022 · US
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Adaptations of mechanically-operated limit switches (for cranes B66C13/50; for winding mechanisms B66D1/56)
Adaptations of mechanically-operated limit switches (for cranes B66C13/50; for winding mechanisms B66D1/56) · 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 | B66B1/48 |
| Official title | Adaptations of mechanically-operated limit switches (for cranes B66C13/50; for winding mechanisms B66D1/56) |
| Display label | Adaptations of mechanically-operated limit switches (for cranes B66C13/50; for winding mechanisms B66D1/56) |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2021 | 2 |
| 2022 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Elevator safety device
US-11414297-B2 · Aug 16, 2022 · US
Elevator system
US-11279592-B2 · Mar 22, 2022 · US
Elevator overtravel testing systems and methods
US-11066273-B2 · Jul 20, 2021 · US
Safety device for an elevator system or escalator system, elevator system, and method for indicating the status of a safety circuit
US-2021147184-A1 · May 20, 2021 · US
Elevator system
US-2019119069-A1 · Apr 25, 2019 · US
Elevator communication arrangement
US-2019062103-A1 · Feb 28, 2019 · US
Elevator safety device
US-2019031466-A1 · Jan 31, 2019 · US
Elevator overtravel testing systems and methods
US-2018282120-A1 · Oct 4, 2018 · US
Positioning apparatus, elevator and a method for determining the position of an elevator car by using classified position identifiers
US-10040664-B2 · Aug 7, 2018 · US
Testing apparatus and safety arrangement
US-9580273-B2 · Feb 28, 2017 · US
Elevator installation access security method with position detection
US-9382096-B2 · Jul 5, 2016 · US
Positioning apparatus, elevator and a method for determining the position of an elevator car
US-2016039635-A1 · Feb 11, 2016 · US
Testing apparatus and safety arrangement
US-2015039258-A1 · Feb 5, 2015 · US