Inventor · Excelsior, MN, US

Robert A. VanTassel

19Patents
18h-index
7Co-inventors
67Inventor score

Filing activity: Jan 20, 1998 → Sep 4, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6652556B1 Filter apparatus for ostium of left atrial appendage Human Necessities 786 Expired
US6652555B1 Barrier device for covering the ostium of left atrial appendage Human Necessities 529 Expired
US6126649A Steerable catheter with external guidewire as catheter tip deflector Human Necessities 349 Expired
US6689150B1 Filter apparatus for ostium of left atrial appendage Human Necessities 331 Expired
US6645143B2 Pressure/temperature/flow monitor device for vascular implantation Human Necessities 223 Expired
US6309350A Pressure/temperature/monitor device for heart implantation Human Necessities 219 Expired
US6015387A Implantation devices for monitoring and regulating blood flow Human Necessities 189 Expired
US7727189B2 Filter apparatus for ostium of left atrial appendage Human Necessities 151 Active
US6015405A Device for forming holes in tissue Human Necessities 120 Expired
US6293958A Catheter having flow diffusing tip Human Necessities 118 Expired
US8685055B2 Filter apparatus for ostium of left atrial appendage Human Necessities 87 Active
US6241710A Hypodermic needle with weeping tip and method of use Human Necessities 77 Expired
US6605061B2 Catheter for drug injection in cardiovascular system Human Necessities 69 Expired
US6547769B2 Catheter apparatus with weeping tip and method of use Human Necessities 54 Expired
US7252654B2 Apparatus with weeping tip and method of use Human Necessities 36 Expired
US9132000B2 Filter apparatus for ostium of left atrial appendage Human Necessities 35 Active
US6949087B2 Apparatus with weeping tip and method of use Human Necessities 20 Expired
US6855132B2 Apparatus with weeping tip and method of use Human Necessities 18 Expired
US10893926B2 Filter apparatus for ostium of left atrial appendage Human Necessities 2 Active

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