Patent assignee · US · COMPANY

BINNEY & SMITH INC.

134Patents
0Active
134Granted
43Portfolio score

Filing activity: Oct 7, 1974 → Mar 8, 2006

Most-cited patents

PatentTitleAreaCited byStatus
US5498280A Phosphorescent and fluorescent marking composition Chemistry; Metallurgy 89 Expired
US5498282A Color changing pan paint compositions Performing Operations; Transporting 68 Expired
US6210471A Marking composition and method for marking dark substrates Chemistry; Metallurgy 62 Expired
USD351504S Carrying case General 58 Expired
US5248030A Folding instrument container Performing Operations; Transporting 54 Expired
USD323186S Ball point pen General 49 Expired
US5486228A Washable color changing compositions Performing Operations; Transporting 47 Expired
US5604517A Electronic drawing device Human Necessities 46 Expired
US5464470A Color-changing marking composition system Chemistry; Metallurgy 44 Expired
US5232494A Color changing compositions Performing Operations; Transporting 43 Expired
US5678684A Container for liquids Performing Operations; Transporting 43 Expired
US5498645A Modeling dough Chemistry; Metallurgy 41 Expired
US5326388A Color changing compositions Performing Operations; Transporting 40 Expired
US6505984B2 Crayon with eraser Performing Operations; Transporting 40 Expired
US4978390A Washable solid marking composition Chemistry; Metallurgy 39 Expired
US6124377A Marking system Chemistry; Metallurgy 39 Expired
US5171766A Modeling dough Chemistry; Metallurgy 38 Expired
US5855351A Easel Human Necessities 37 Expired
US6045108A Inclined adjustable easel with slidably drawer Human Necessities 37 Expired
US5288160A Aqueous permanent coloring composition Chemistry; Metallurgy 36 Expired
USD351727S Carrying case General 35 Expired
US6394598B1 Ink jet marker Performing Operations; Transporting 34 Expired
US5460647A Color-changing marking composition system Chemistry; Metallurgy 33 Expired
US5478382A Color changing compositions for use on non-porous surfaces Performing Operations; Transporting 33 Expired
US5492558A Color changing compositions for highlighters Performing Operations; Transporting 33 Expired

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