Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Hoist with built-in load sensitive automatic speed change device

Hoist with built-in load sensitive automatic speed change device

US Patent 9561940 · Granted Feb 7, 2017

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Rotation lock device, lever hoist, and hoisting machine2024
Hoist2024
Electric chain block2022
Operating device for hoisting machine2021
Chain block2021
Torque transmission device2015
Load sensitive magnetic clutch device2015
Process for preparation of amidine derivatives2006