KP

Karl A. Parfrey

VG Vetco Gray: 9 patents #17 of 364Top 5%
AR Abb Research: 2 patents #335 of 1,276Top 30%
📍 Ennetbaden, TX: #1 of 1 inventorsTop 100%
Overall (All Time): #464,204 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
8870186 Seal assembly for a casing hanger Chau Hoang, Khanh Duong, William R. Moore, Clayton Griffin 2014-10-28
8679606 Thick walled composite tubular and method of making 2014-03-25
8640318 Method for forming elongated composite tubular 2014-02-04
8413319 Apparatus for forming elongated composite tubular 2013-04-09
8403055 Self sealing hydraulic coupler 2013-03-26
8277716 Apparatus, system, and method of manufacturing a composite tubular using a stiffened mandrel Gary L. Galle 2012-10-02
8113287 Self sealing hydraulic coupler 2012-02-14
7963337 Composite enhanced metallic drilling riser system Joseph W. Pallini, Frank C. Adamek 2011-06-21
7025384 Apparatus and method for securing a tubular liner in a composite pipe Justin Whitehead, Gary L. Galle 2006-04-11
6029338 Binding for winding overhangs of rotors of electric machines, and method of producing bindings for winding overhangs Werner Heil, Vishal Mallick, François Meynard, Herbert Prenner 2000-02-29
5900689 Binding for winding overhangs of rotors of electric machines, and method of producing bindings for winding overhangs Werner Heil, Vishal Mallick, François Meynard, Herbert Prenner 1999-05-04