Inventor
ROINESTAD GERALD C
US14 patents
Patents
14 patentsUS4852720AAug 1, 1989
Positive drive helical conveyor system
ASHWORTH BROS INC61 citations95
US4741430AMay 3, 1988
Positive drive helical conveyor system
ASHWORTH BROS INC69 citations95
US4394901AJul 26, 1983
Modular plastic conveyor belt
ASHWORTH BROS INC116 citations95
US4078655AMar 14, 1978
Small radius conveyor belt and conveying system
ASHWORTH BROS INC92 citations95
US5004097AApr 2, 1991
Replaceable snap-on modular overlay for rod and link turn-curve conveyor belts
ASHWORTH BROS INC40 citations92
US4951807AAug 28, 1990
Non-collapsing inside edge conveyor belt with dual pitch links
ASHWORTH BROS INC31 citations92
US4932925AJun 12, 1990
Link having a work-hardened area
ASHWORTH BROS INC38 citations92
US4867301ASep 19, 1989
Conveyor belt and system for single direction lateral curved travel
ASHWORTH BROS INC48 citations92
US4685557AAug 11, 1987
Conveyor belt drive sprocket system
ASHWORTH BROS INC30 citations92
US5197591AMar 30, 1993
Replaceable snap-on modular overlay for rod and link turn-curve conveyor belts
ASHWORTH BROS INC29 citations91
US5141102AAug 25, 1992
Conveyor belt and system with a non-collapsing inside edge
ASHWORTH BROS INC21 citations81
US4940133AJul 10, 1990
Conveyor belt and system with a non-collapsing inside edge
ASHWORTH BROS INC16 citations73
US4982833AJan 8, 1991
Exit rail assembly for helical conveyor belts
ASHWORTH BROS INC5 citations62
USD260506SSep 1, 1981
Conveyor belt
ASHWORTH BROS INC3 citations62