Inventor · Menlo Park, CA, US

William L. Verplank

36Patents
24h-index
24Co-inventors
85Inventor score

Filing activity: Oct 28, 1985 → Feb 23, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
USD297243S Icon for a property sheet or the like General 263 Expired
USD295631S Icon for dividers or the like General 179 Expired
US7089292B1 Interface including non-visual display for use in browsing an indexed collection of electronic content Physics 174 Expired
USD295877S Icon for canvas or the like General 158 Expired
USD296114S Icon for PC emulation window or the like General 150 Expired
USD296339S Icon for freehand drawing softkey display or the like General 130 Expired
USD296218S Icon for spelling dictionary or the like General 124 Expired
US5295242A Apparatus and method for viewing relationships in a factory management system Emerging Cross-Sectional Technologies 115 Expired
USD295636S Icon for loader or the like General 82 Expired
USD295765S Icon for emulated fixed disk or the like General 80 Expired
US6647359B1 System and method for synthesizing music by scanning real or simulated vibrating object Physics 77 Expired
USD295763S Icon font or the like General 76 Expired
US6529183B1 Manual interface combining continuous and discrete capabilities Physics 74 Expired
USD295635S Icon for icon editor or the like General 73 Expired
USD295637S Icon for broken document or the like General 67 Expired
USD296705S Icon for local directory or the like General 60 Expired
USD295632S Icon for wastebasket or the like General 59 Expired
US7143357B1 System and methods for collaborative digital media development Physics 57 Expired
USD295633S Icon for PC emulation or the like General 55 Expired
USD296340S Icon for an idle image or the like General 45 Expired
USD295630S Icon for user profile or the like General 44 Expired
US6496200B1 Flexible variation of haptic interface resolution Physics 36 Expired
USD295634S Icon for application program or the like General 25 Expired
US6525711B1 Haptic interface including clutch control Physics 25 Expired
US7119789B1 Haptic interface including clutch control Physics 24 Expired

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