Inventor · Columbus, IN, US

Walter N. Ryan

9Patents
7h-index
23Co-inventors
59Inventor score

Filing activity: Apr 30, 2003 → Oct 31, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US7766926B2 Sling for supporting tissue Human Necessities 105 Expired
US7731722B2 Ureteral backstop filter and retrieval device Human Necessities 61 Expired
US8758231B2 Access sheath with active deflection Human Necessities 52 Active
US7803130B2 Deflectable tip access sheath Human Necessities 51 Active
US7621880B2 Double ended wire guide Emerging Cross-Sectional Technologies 48 Expired
US8597303B2 Articulating basket with simultaneous basket extension or basket retraction Human Necessities 13 Active
US7811256B2 Vacuum aspiration handle Human Necessities 10 Active
US9597100B2 Articulating basket with simultaneous basket extension or basket retraction Human Necessities 0 Active
US7766987B2 Apparatus and method for collection of particulate matter during percutaneous procedures Human Necessities 0 Active

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