Inventor · Grand Rapids, MI, US

David DeWindt

8Patents
8h-index
14Co-inventors
62Inventor score

Filing activity: Jan 9, 1997 → Aug 16, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US6645194B2 Flexible disc obturator for a cannula assembly Human Necessities 128 Expired
US6146371A Oval-shaped cardiac cannula Human Necessities 51 Expired
US5817071A Oval-shaped cardiac cannula Human Necessities 49 Expired
US6447484B1 Flexible disc obturator for a cannula assembly Human Necessities 47 Expired
US8257323B2 Cannula system and method Human Necessities 42 Active
US7276055B2 Oval-shaped cardiac cannula Human Necessities 35 Expired
US8684967B2 Kink resistant cannula having buckle resistant apertures Human Necessities 31 Active
US8167867B2 Oval-shaped cardiac cannula Human Necessities 9 Active

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