Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Butterfly valve construction having a composite seat

Butterfly valve construction having a composite seat

US Patent 4685611 · Granted Aug 11, 1987

Estimated economic value: $4,603,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Keyless fire hydrant protection system2009
Apparatus for a disc-stem connection1992
Rotary actuator1991
Rotary actuator and method for forming a rotary piston1991
Rotary actuator and seal assembly for use therein1991
Method of installing a valve seat in a valve body1990
Apparatus for inserting valve seats in valve bodies1990
Bleed valve assembly for double block and bleed system1989
Transmission assembly for use with double block and bleed system1989
Methods and apparatus for adjusting a valve closure member1989
Valve assembly1989
Valve assembly1989