Assignee
NORTHSTAR IND INC
US16 patents
Top patents by PatentIndex Score
US5632371AMay 27, 1997
Expandable redundantly powered conveyors
NORTHSTAR IND INC61 citations94
US5456347AOct 10, 1995
Controllably powered roller conveyors
NORTHSTAR IND INC75 citations93
US5636728AJun 10, 1997
Expandable conveyor with power module
NORTHSTAR IND INC35 citations92
US5096362AMar 17, 1992
Ramp
NORTHSTAR IND INC53 citations92
US4979867ADec 25, 1990
Ramp
NORTHSTAR IND INC42 citations92
US4852712AAug 1, 1989
Conveyor
NORTHSTAR IND INC39 citations92
US6474101B1Nov 5, 2002
Natural gas handling system
NORTHSTAR IND INC54 citations90
US6003658ADec 21, 1999
Telescoping rigid frame and scissor conveyor with suspension
NORTHSTAR IND INC39 citations90
US5490592AFeb 13, 1996
Telescoping rigid frame and scissor conveyor
NORTHSTAR IND INC29 citations90
US5147025ASep 15, 1992
Expandable powered roller conveyor
NORTHSTAR IND INC33 citations90
US6176046B1Jan 23, 2001
Portable, pre-manufactured, modular natural gas delivery stations
NORTHSTAR IND INC62 citations89
US5224584AJul 6, 1993
Expandable powered conveyors
NORTHSTAR IND INC56 citations89
US6851539B2Feb 8, 2005
Conveyor wheel axle and yoke support
NORTHSTAR IND INC13 citations83
US6588568B1Jul 8, 2003
Multiple-wheel axle support
NORTHSTAR IND INC13 citations82
USD479637SSep 9, 2003
Multiple-wheel axle support
NORTHSTAR IND INC6 citations71
US7416075B2Aug 26, 2008
Telescoping conveyor with powered and steerable discharge section
NORTHSTAR IND INC13 citations70