Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Ball valve

Ball valve

US Patent 5553831 · Granted Sep 10, 1996

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Position detection apparatus, image taking apparatus and position detection meth2013
Stepping motor drive device and method2006
Resistance welding method, resistance welding apparatus, and method for manufact2006
Stepping motor drive device and method2006
Variable resistor2004
Variable resistor2002
Variable resistor2002
Variable resistor2000
Variable resistor2000
Variable resistor1998
Ball valve1996
Ball valve1996