Buffer stop used for end of crane rails
US-11649141-B2 · May 16, 2023 · US
This page is not indexed by search engines while we improve data quality.
Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads (for pulley blocks B66D3/10)
Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads (for pulley blocks B66D3/10) · 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 | B66D5/00 |
| Official title | Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads (for pulley blocks B66D3/10) |
| Display label | Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads (for pulley blocks B66D3/10) |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Smooth braking control method and device for elevator and elevator brake
US-2022306426-A1 · Sep 29, 2022 · US
Buffer stop used for end of crane rails
US-2022024728-A1 · Jan 27, 2022 · US
Braking deceleration measurement of an elevator system
US-11198586-B2 · Dec 14, 2021 · US
Telescopic column
US-11047448-B2 · Jun 29, 2021 · US
Braking deceleration measurement of an elevator system
US-2021002100-A1 · Jan 7, 2021 · US
Motor-operated crane drive
US-10865082-B2 · Dec 15, 2020 · US
Winch
US-10618783-B2 · Apr 14, 2020 · US
Mechanism to selectively fix or free planetary carrier of epicyclic gearbox
US-2020087123-A1 · Mar 19, 2020 · US
Mechanism to selectively fix or free planetary carrier of epicyclic gearbox
US-10479659-B2 · Nov 19, 2019 · US
Winch
US-2019322499-A1 · Oct 24, 2019 · US
Winch
US-10370227-B2 · Aug 6, 2019 · US
Telescopic column
US-2018312377-A1 · Nov 1, 2018 · US
Winch
US-10112808-B2 · Oct 30, 2018 · US
Cable winch
US-10106380-B2 · Oct 23, 2018 · US
Motor-operated crane drive
US-2018273358-A1 · Sep 27, 2018 · US
Mechanism to selectively fix or free planetary carrier of epicyclic gearbox
US-2018111807-A1 · Apr 26, 2018 · US
Winch
US-2016194184-A1 · Jul 7, 2016 · US
Winch
US-2016167935-A1 · Jun 16, 2016 · US
Cable winch
US-2016090279-A1 · Mar 31, 2016 · US