Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Corrosion-resistant overlay for the edge of butterfly valves

Corrosion-resistant overlay for the edge of butterfly valves

US Patent 4773625 · Granted Sep 27, 1988

Estimated economic value: $5,045,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Rotary valve with pressure energized seal1999
Rotary valve with pressurized energized seal1998
Fugitive emission sealing assembly1993
Corrosion-resistant overlay for the edge of butterfly valves1990
Methods and apparatus for adjusting a valve closure member1989
Manual override drive apparatus1982
Steam manifold distribution system for providing equal quality of steam in two l1981
Method for forming an automatic burner for in situ combustion for enhanced therm1980