Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Workpiece transfer device for press machine

Workpiece transfer device for press machine

US Patent 4807456 · Granted Feb 28, 1989

Estimated economic value: $179,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Congestion degree estimation method using propagation loss of wireless communica2024
Blank material washing booth and system1999
Transferring apparatus for transfer press1992
Transferring apparatus for transfer press1992
Method for withdrawing workpiece from drawing mold1992
Method for withdrawing workpiece from drawing mold1992
Apparatus for assembling catalytic converter1992
Method for producing wheel rim1991
Method for producing wheel rim1991
Method of changing workpiece holders for press machine1990
Method of changing workpiece holders for press machine1990
System for sending-off press-formed parts1990