Inventor
KOFFRON ROBERT J
US11 patents
⚠️ This page may combine multiple inventors who share the name “KOFFRON ROBERT J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TETRON INC
7 patentsUS5044610ASep 3, 1991
Vortex inhibitor for molten metal discharge
TETRON INC24 citations91
US4871148AOct 3, 1989
Vortex inhibitor for molten metal discharge
TETRON INC19 citations81
US6576039B2Jun 10, 2003
Method and apparatus for metal pouring
TETRON INC11 citations71
US6074598AJun 13, 2000
Method and apparatus for slag separation sensing
TETRON INC14 citations71
US6723275B2Apr 20, 2004
Vortex inhibitor with sacrificial rod
TETRON INC10 citations70
USRE37417EOct 23, 2001
Vortex inhibitor for molten metal discharge
TETRON INC6 citations61
US7169349B1Jan 30, 2007
Method and apparatus for delivering metallurgically improved molten metal
TETRON INC2 citations59