Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Packer assembly

Packer assembly

US Patent 4648448 · Granted Mar 10, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Packer with positionable collar2007
Inflatable packer with prestressed bladder2004
Independently retrievable subsea tree and tubing hanger system2002
Bidirectional metal to metal seal2000
Annular sealing assembly and methods of sealing1999
Inflatable packer with port collar valving and method of setting1998
Extendable casing circulator and method1997
Hanger suspension system1997
Blanking plug assembly1996
Multi-passage fluid coupling and metal seal therefor1996
Bore selector1995
Tubular connection, method for making same, and tool therefor1994