P

Inventor

PARFREY KARL A

US7 patents
⚠️ This page may combine multiple inventors who share the name “PARFREY KARL A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PARFREY KARL A

3 patents
US8679606B2Mar 25, 2014

Thick walled composite tubular and method of making

PARFREY KARL A3 citations58
US8403055B2Mar 26, 2013

Self sealing hydraulic coupler

PARFREY KARL A2 citations58
US8113287B2Feb 14, 2012

Self sealing hydraulic coupler

PARFREY KARL A3 citations58

VETCO GRAY INC

2 patents
US7025384B2Apr 11, 2006

Apparatus and method for securing a tubular liner in a composite pipe

VETCO GRAY INC12 citations78
US7963337B2Jun 21, 2011

Composite enhanced metallic drilling riser system

VETCO GRAY INC6 citations61

GALLE GARY L

1 patent
US8277716B2Oct 2, 2012

Apparatus, system, and method of manufacturing a composite tubular using a stiffened mandrel

GALLE GARY L2 citations54

HOANG CHAU

1 patent
US8870186B2Oct 28, 2014

Seal assembly for a casing hanger

HOANG CHAU3 citations50