Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Expandable seal assembly with anti-extrusion backup

Expandable seal assembly with anti-extrusion backup

US Patent 5603511 · Granted Feb 18, 1997

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Choke trim with flow turbulence control2024
Choke Valve2024
Seal assemblies2023
Anti-extrusion device for downhole applications2003
Seal assembly with thermal expansion restricter2001
Two-piece clamp ring for holding semiconductor wafer or other workpiece2001
Seal assembly with backup elements having coil springs positioned therein2001
Gasket seal1997
Subterranean well casing float tool1990
Subterranean well casing float tool1989
Well packer having extrusion preventing rings1988