Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Porous film composites

Porous film composites

US Patent 5169712 · Granted Dec 8, 1992

Estimated economic value: $21,256,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Hydraulic setting tool1998
Oriented polymeric microporous films1997
Oriented polymeric microporous films1994
Oriented polymeric microporous films1993
Self-bonded nonwoven web and woven fabric composites1993
Multi-layer composite nonwoven fabrics1991
Selectively operable ball valve and production packer system1990
Retrievable subsurface well casing slip and packer apparatus and method1986
Wireline set tubing retrievable seal bore packer apparatus1986