Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Electric chain block

Electric chain block

US Patent D940427 · Granted Jan 4, 2022

Assignee

Kito

Inventors

Takayuki Kasai (9 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Rotation lock device, lever hoist, and hoisting machine2024

Operating device for hoisting machine2021

Chain block2021

Hoist with built-in load sensitive automatic speed change device2017

Torque transmission device2015

Load sensitive magnetic clutch device2015

Process for preparation of amidine derivatives2006

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly