Inventor · Lakewood, OH, US

David J. Boll

54Patents
14h-index
62Co-inventors
87Inventor score

Filing activity: Sep 15, 1993 → Jan 30, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
USD544671S1 Rectangular trash can with central ridge General 114 Expired
US6775882B2 Stick vacuum with dirt cup Emerging Cross-Sectional Technologies 96 Expired
US6073300A Valve assembly for carpet extractor Human Necessities 48 Expired
US6347428B1 Hand-held wet/dry vacuum Human Necessities 43 Expired
US7191920B2 Motorized household liquid dispenser Performing Operations; Transporting 34 Expired
US7766194B2 Motorized household liquid dispenser Performing Operations; Transporting 30 Active
USD443960S Portable wet/dry vacuum cleaner General 28 Expired
USD535902S1 Wireless animal training transmitter General 27 Expired
US6752190B1 Cure-on-the-fly system Performing Operations; Transporting 25 Expired
US6790244B2 Packaged stackable charcoal briquet Chemistry; Metallurgy 24 Expired
USD682701S1 Container for liquids General 22 Active
USD682702S1 Container for liquids General 17 Active
USD561686S1 Fuel briquet General 15 Expired
US8678236B2 Simple serve topping dispenser Human Necessities 14 Active
USD475822S1 Housing for a stick-type vacuum cleaner General 14 Expired
USD475491S1 Dust cup for vacuum cleaner General 13 Expired
USD720188S1 Topping dispenser General 13 Active
USD560603S1 Fuel briquette General 12 Expired
USD561091S1 Fuel briquet General 12 Expired
USD546016S1 Rectangular trash can with single lid General 12 Expired
USD668767S1 Nipple General 11 Active
USD477446S1 Nozzle for vacuum cleaner General 11 Expired
USD896156S1 Coupler for windshield wiper General 11 Active
USD560604S1 Fuel briquet General 11 Expired
USD444603S Tool holder for vacuum cleaner wand General 10 Expired

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