Inventor · Apple Valley, MN, US

John Zentgraf

15Patents
9h-index
6Co-inventors
61Inventor score

Filing activity: Oct 20, 2008 → Feb 1, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US8938283B2 Surgical navigation for repair of heart valve leaflets Human Necessities 53 Active
US8758393B2 Minimally invasive repair of a valve leaflet in a beating heart Human Necessities 46 Active
US9044221B2 Exchangeable system for minimally invasive beating heart repair of heart valve leaflets Human Necessities 42 Active
US9192374B2 Minimally invasive repair of a valve leaflet in a beating heart Human Necessities 27 Active
US10080659B1 Devices and methods for minimally invasive repair of heart valves Human Necessities 22 Active
US9393080B2 Surgical navigation for repair of heart valve leaflets Human Necessities 19 Active
US10507018B2 Minimally invasive repair of a valve leaflet in a beating heart Human Necessities 14 Active
US10695178B2 Minimally invasive repair of heart valve leaflets Human Necessities 13 Active
US10130474B2 Exchangeable system for minimally invasive beating heart repair of heart valve leaflets Human Necessities 11 Active
US11419602B2 Minimally invasive repair of a valve leaflet in a beating heart Human Necessities 4 Active
US10765517B2 Ringless web for repair of heart valves Human Necessities 1 Active
US11911023B2 Minimally invasive repair of a valve leaflet in a beating heart Human Necessities 1 Active
US11974920B2 Minimally invasive repair of heart valve leaflets Human Necessities 0 Active
US11484409B2 Ringless web for repair of heart valves Human Necessities 0 Active
US12426874B2 Minimally invasive repair of a valve leaflet in a beating heart Human Necessities 0 Active

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