Assignee
HATCH ASS LTD
CA16 patents
Top patents by PatentIndex Score
US6573691B2Jun 3, 2003
Control system and method for voltage stabilization in electric power system
HATCH ASS LTD76 citations91
US6603795B2Aug 5, 2003
Power control system for AC electric arc furnace
HATCH ASS LTD55 citations90
US6168532B1Jan 2, 2001
Multi-configuration sports/recreation facility
HATCH ASS LTD34 citations90
US6857464B2Feb 22, 2005
Adjustable casting mold
HATCH ASS LTD21 citations84
US6377605B1Apr 23, 2002
Electrode seal for arc furnace
HATCH ASS LTD14 citations82
US5468190ANov 21, 1995
Multi-purpose arena
HATCH ASS LTD14 citations71
US5406580AApr 11, 1995
Electrode seal for arc furnaces
HATCH ASS LTD19 citations71
US4573523AMar 4, 1986
Method of and apparatus for continuous centrifugal casting
HATCH ASS LTD10 citations71
US5082493AJan 21, 1992
Processing of carbon steel furnace dusts
HATCH ASS LTD20 citations69
US4126425ANov 21, 1978
Gas mixer for sublimation purposes
HATCH ASS LTD24 citations69
US5867523AFeb 2, 1999
Electric furnace with conductive hearth
HATCH ASS LTD14 citations63
US4226332AOct 7, 1980
Equalization system for overhead cranes
HATCH ASS LTD6 citations60
US5471020ANov 28, 1995
Modal silencer
HATCH ASS LTD12 citations59
US6270550B1Aug 7, 2001
Method for direct reduction of iron bearing pellets or lump iron ore
HATCH ASS LTD6 citations58
US4735549AApr 5, 1988
Billet turning device
HATCH ASS LTD1 citations49
US6520388B1Feb 18, 2003
Casting furnace and method for continuous casting of molten magnesium
HATCH ASS LTD0 citations25