Inventor

PARFREY KARL

US4 patents

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

ABB RESEARCH LTD

2 patents

US6029338AFeb 29, 2000

Binding for winding overhangs of rotors of electric machines, and method of producing bindings for winding overhangs

ABB RESEARCH LTD5 citations69

US5900689AMay 4, 1999

Binding for winding overhangs of rotors of electric machines, and method of producing bindings for winding overhangs

ABB RESEARCH LTD7 citations69

VETCO GRAY INC

1 patent

US8640318B2Feb 4, 2014

Method for forming elongated composite tubular

VETCO GRAY INC0 citations46

PARFREY KARL

1 patent

US8413319B2Apr 9, 2013

Apparatus for forming elongated composite tubular

PARFREY KARL0 citations39