Inventor · Waggaman, LA, US

Mark Costanzo

32Patents
15h-index
26Co-inventors
81Inventor score

Filing activity: Nov 2, 1998 → Apr 13, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6494312B2 Modular roller-top conveyor belt with obliquely-arranged rollers Performing Operations; Transporting 93 Expired
US6148990A Modular roller-top conveyor belt Performing Operations; Transporting 85 Expired
US6571937B1 Switch conveyor Performing Operations; Transporting 68 Expired
US6758323B2 Singulating conveyor Performing Operations; Transporting 65 Expired
US7344018B2 Conveyor and method for diverting closely spaced articles Performing Operations; Transporting 45 Expired
US7073651B2 Modular mat gravity-advance roller conveyor Performing Operations; Transporting 40 Expired
US6367616B1 Modular roller-top conveyor belt Performing Operations; Transporting 40 Expired
US6209714A Modular roller-top conveyor belt Performing Operations; Transporting 37 Expired
US6923309B2 Article-orienting conveyor Performing Operations; Transporting 32 Expired
US7191894B2 Variable angled-roller belt and conveyor Performing Operations; Transporting 29 Expired
US7506750B2 Conveyor having a conveyor belt with flights, including segmented flights for gapless end transfer Performing Operations; Transporting 25 Active
US7249671B2 Roller-belt conveyor for accumulating and moving articles laterally across the conveyor Performing Operations; Transporting 23 Expired
US8109384B2 Conveyor and method for spacing packages Performing Operations; Transporting 22 Active
US7878319B2 Conveyor switch Performing Operations; Transporting 18 Active
US6827198B1 Tilt conveyor Performing Operations; Transporting 18 Expired
US9592983B2 Missort prevention system in a conveying system Performing Operations; Transporting 13 Active
US9079717B1 Conveyor systems for diverting objects Performing Operations; Transporting 13 Active
US7617923B2 Roller-belt conveyor for moving articles across the conveyor Performing Operations; Transporting 13 Active
US9156629B2 Diverting conveyor with bidirectional assist roller Performing Operations; Transporting 13 Active
US9434547B2 Article diverting conveyor belt Performing Operations; Transporting 11 Active
US7537104B2 Methods for accumulating, moving, and palletizing articles Performing Operations; Transporting 11 Active
US7784601B2 Pallet-forming roller-belt conveyor Performing Operations; Transporting 10 Active
US8365902B2 Belt conveyors with retractable wall segments Performing Operations; Transporting 5 Active
US8701867B2 Conveyor with a gentle retractable stop Performing Operations; Transporting 4 Active
US7357246B2 Belt conveyor having self-clearing flights Performing Operations; Transporting 4 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.