P

Inventor

FRIESTAD KENNETH

NO5 patents
⚠️ This page may combine multiple inventors who share the name “FRIESTAD KENNETH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ELKEM AS

3 patents
US7381392B2Jun 3, 2008

Silicon feedstock for solar cells

ELKEM AS17 citations86
US7232544B2Jun 19, 2007

Apparatus for continuous slag treatment of silicon

ELKEM AS3 citations51
US7931883B2Apr 26, 2011

Silicon feedstock for solar cells

ELKEM AS1 citations46

ELKEM MATERIALS

1 patent
US6861040B1Mar 1, 2005

Refining of metallurgical grade silicon

ELKEM MATERIALS13 citations80

FRIESTAD KENNETH

1 patent
US8580036B2Nov 12, 2013

Method and apparatus for refining a molten material

FRIESTAD KENNETH0 citations30