Assignee
ASHWORTH BROS INC
US46 patents
Top patents by PatentIndex Score
US9884723B2Feb 6, 2018
Spiral conveyor system
ASHWORTH BROS INC29 citations96
US4852720AAug 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
US5954188ASep 21, 1999
Conveyor belt
ASHWORTH BROS INC44 citations94
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
US10364101B2Jul 30, 2019
Spiral conveyor system
ASHWORTH BROS INC11 citations91
US5197591AMar 30, 1993
Replaceable snap-on modular overlay for rod and link turn-curve conveyor belts
ASHWORTH BROS INC29 citations91
US6615979B2Sep 9, 2003
Conveyor belt and method of assembly
ASHWORTH BROS INC59 citations90
US5501319AMar 26, 1996
Conveyor belt with asymmetric edge links
ASHWORTH BROS INC43 citations90
US7073662B2Jul 11, 2006
Conveyor belt and method of assembly
ASHWORTH BROS INC51 citations89
US6070715AJun 6, 2000
Conveyor belt with improved rod to link attachment
ASHWORTH BROS INC18 citations89
US6129205AOct 10, 2000
Variable loop count conveyor belt
ASHWORTH BROS INC21 citations86
US12054342B2Aug 6, 2024
Spiral conveyor system
ASHWORTH BROS INC4 citations84
US11365058B2Jun 21, 2022
Spiral conveyor system
ASHWORTH BROS INC6 citations84
US9096380B2Aug 4, 2015
Conveyor belt with alignment features
ASHWORTH BROS INC7 citations83
US7530454B2May 12, 2009
Conveyor belt
ASHWORTH BROS INC21 citations83
US10730700B2Aug 4, 2020
Spiral conveyor system
ASHWORTH BROS INC5 citations82
US5141102AAug 25, 1992
Conveyor belt and system with a non-collapsing inside edge
ASHWORTH BROS INC21 citations81
US6279726B1Aug 28, 2001
Self-cleaning drive mechanism for driving conveyor belts
ASHWORTH BROS INC18 citations80
US4846339AJul 11, 1989
Flat wire conveyor with differential pitch
ASHWORTH BROS INC29 citations80
US9663297B1May 30, 2017
Linkage assembly for self-supporting conveyor belt
ASHWORTH BROS INC8 citations79
US7735637B2Jun 15, 2010
Buttonless conveyor belt
ASHWORTH BROS INC8 citations77
US4940133AJul 10, 1990
Conveyor belt and system with a non-collapsing inside edge
ASHWORTH BROS INC16 citations73
US9522786B2Dec 20, 2016
Conveyor belt with alignment features
ASHWORTH BROS INC3 citations72
US5197593AMar 30, 1993
Rod and edge link fixation for conveyor belts
ASHWORTH BROS INC9 citations71
US4955465ASep 11, 1990
Endless flexible conveyor belt and stacker plates therefor
ASHWORTH BROS INC13 citations71
US6195868B1Mar 6, 2001
Conveyor belt with improved rod to link attachment
ASHWORTH BROS INC9 citations70
US4398318AAug 16, 1983
Card clothing for carding machine elements
ASHWORTH BROS INC23 citations69
US4074392AFeb 21, 1978
Card clothing clipped top and a method of manufacturing therefor
ASHWORTH BROS INC22 citations69
US5622252AApr 22, 1997
Reduced radius conveyor belt
ASHWORTH BROS INC12 citations68
US4982833AJan 8, 1991
Exit rail assembly for helical conveyor belts
ASHWORTH BROS INC5 citations62
USD260506SSep 1, 1981
Conveyor belt
ASHWORTH BROS INC3 citations62
US12397996B2Aug 26, 2025
Spiral conveyor system
ASHWORTH BROS INC0 citations61
US7878321B2Feb 1, 2011
Helical conveyor without overdrive
ASHWORTH BROS INC3 citations59
US10233023B1Mar 19, 2019
Conveyor belt spiral overlay having intermediate loops
ASHWORTH BROS INC1 citations49
US9908654B2Mar 6, 2018
Apparatus for storing, transporting and dispensing conveyor belts
ASHWORTH BROS INC0 citations49
US12545525B2Feb 10, 2026
Conveyor belt operation monitoring system
ASHWORTH BROS INC0 citations44
US12404113B2Sep 2, 2025
Conveyor belt operation monitoring system
ASHWORTH BROS INC0 citations44
US9984551B2May 29, 2018
System and method for anticipating low-speed bearing failure
ASHWORTH BROS INC1 citations44
US9157160B2Oct 13, 2015
System and method for electropolishing or electroplating conveyor belts
ASHWORTH BROS INC0 citations32