Inventor · Brooklyn Park, MN, US

William D. Splain

29Patents
23h-index
20Co-inventors
81Inventor score

Filing activity: Mar 6, 2000 → Apr 8, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
USD550423S1 Shopping cart General 92 Expired
USD556413S1 Shopping cart General 64 Expired
USD540998S1 Shopping cart General 59 Expired
USD530478S1 Shopping cart General 57 Expired
USD546021S1 Shopping cart General 51 Expired
US7416194B2 Shopping cart base Emerging Cross-Sectional Technologies 47 Expired
US7407169B2 Seat assembly for a shopping cart Emerging Cross-Sectional Technologies 43 Active
USD575472S1 Shopping cart General 37 Expired
USD536874S1 Handbasket General 37 Expired
USD591474S1 Shopping cart handle General 34 Expired
US7780036B2 Handbasket Emerging Cross-Sectional Technologies 34 Active
US7398976B2 Shopping cart basket Performing Operations; Transporting 33 Expired
USD588774S1 Shopping cart seat member General 31 Expired
US7410178B2 Shopping cart handle Emerging Cross-Sectional Technologies 31 Expired
USD582122S1 Shopping cart General 30 Expired
US7494135B2 Shopping vehicle Performing Operations; Transporting 29 Active
USD553361S1 Handbasket General 29 Expired
USD564229S1 Handbasket General 29 Expired
US7600763B2 Shopping cart base Emerging Cross-Sectional Technologies 28 Active
US7959166B2 Shopping cart with a base and a basket Emerging Cross-Sectional Technologies 27 Active
USD588775S1 Shopping cart support assembly General 27 Expired
US7793948B2 Method of assembling a shopping cart Emerging Cross-Sectional Technologies 26 Active
USD623374S1 Shopping cart base General 26 Expired
US6473984B1 Planogram measuring device Physics 20 Expired
US7255271B2 Check-out counter systems and methods Physics 17 Expired

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