Patent assignee · US · COMPANY

UpRight, Inc.

26Patents
0Active
26Granted
34Portfolio score

Filing activity: Jul 1, 1974 → Dec 4, 1998

Most-cited patents

PatentTitleAreaCited byStatus
US4475611A Scaffold propulsion unit Emerging Cross-Sectional Technologies 68 Expired
US4657112A Mast construction for pedestal scaffold Performing Operations; Transporting 36 Expired
US5803204A Personnel lift with clamshell cage assembly Performing Operations; Transporting 32 Expired
US3961681A Mobile scaffold with series-connected hydraulic motor drive Performing Operations; Transporting 28 Expired
US4194591A Mobile scaffold with fixed-use-position outriggers Fixed Constructions 26 Expired
US6119882A Self-propelled boom with extendible axles Performing Operations; Transporting 25 Expired
US4270581A Vineyard trellis wire retention Fixed Constructions 24 Expired
US4457403A Self-propelled elevating work platform Performing Operations; Transporting 24 Expired
US4247126A Hydraulic suspension for harvesting machines Performing Operations; Transporting 23 Expired
US4592447A Movable pedestal scaffold Fixed Constructions 20 Expired
US5997013A Chassis stabilization system Performing Operations; Transporting 19 Expired
US4504074A Steering system Performing Operations; Transporting 18 Expired
US5082085A Platform leveling apparatus Performing Operations; Transporting 16 Expired
US4621488A Oscillatory shaker rail harvester Human Necessities 14 Expired
US4016711A Vine-fruit harvesting machine with inclined-tip striker rods Human Necessities 14 Expired
US4356887A Rotatable platform assembly Performing Operations; Transporting 13 Expired
US4543775A Method and apparatus for pruning cordon-trained grape vines Emerging Cross-Sectional Technologies 13 Expired
US4198801A Harvesting of trellis-supported grapevines Emerging Cross-Sectional Technologies 13 Expired
US4250700A Shaker-striker vine harvester Human Necessities 12 Expired
US4557346A Steering and drive system Performing Operations; Transporting 7 Expired
US4236371A Picking device for harvesting machines Emerging Cross-Sectional Technologies 6 Expired
US4179871A Suspension system for harvester shaker member Human Necessities 5 Expired
US4155424A Adjustable-width scaffold Fixed Constructions 4 Expired
US5390760A Safety guard for scissor lift Performing Operations; Transporting 3 Expired
US6029779A Automatic parking brake and steering spindle Performing Operations; Transporting 3 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.