Inventor · Boulder, CO, US

Kirk Johnson

51Patents
24h-index
37Co-inventors
88Inventor score

Filing activity: Jun 10, 1991 → May 26, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6019778A Delivery apparatus for a self-expanding stent Human Necessities 433 Expired
US6039721A Method and catheter system for delivering medication with an everting balloon catheter Human Necessities 361 Expired
US6596011B2 Emboli extraction catheter and vascular filter system Human Necessities 333 Expired
US6425898B1 Delivery apparatus for a self-expanding stent Human Necessities 327 Expired
US7175654B2 Stent design having stent segments which uncouple upon deployment Human Necessities 252 Expired
US6245040A Perfusion balloon brace and method of use Human Necessities 223 Expired
US8527639B1 Content server selection for accessing content in a content distribution network Electricity 181 Expired
US6911040B2 Covered segmented stent Human Necessities 179 Expired
US5205822A Replaceable dilatation catheter Human Necessities 175 Expired
US6428559B1 Removable, variable-diameter vascular filter system Human Necessities 155 Expired
US6656203B2 Integral vascular filter system Human Necessities 148 Expired
US7201770B2 Everting balloon stent delivery system having tapered leading edge Human Necessities 125 Expired
US6505254B1 Methods and apparatus for routing requests in a network Electricity 112 Expired
US7323002B2 Emboli extraction catheter and vascular filter system Human Necessities 102 Expired
US5290232A Replaceable dilatation catheter Human Necessities 91 Expired
US5334147A Rapid exchange type dilatation catheter Human Necessities 87 Expired
US7886023B1 Method and apparatus for a minimalist approach to implementing server selection Electricity 68 Expired
US5380283A Rapid exchange type dilatation catheter Human Necessities 66 Expired
US5634902A Dilatation catheter with side aperture Human Necessities 65 Expired
US5370615A Balloon catheter for angioplasty Human Necessities 65 Expired
US5460185A Tool and method facilitating rapid PCTA catheter exchange Human Necessities 58 Expired
US8721707B2 Percutaneous endoprosthesis using suprarenal fixation and barbed anchors Human Necessities 55 Active
US7349348B1 Method and apparatus for determining a network topology in the presence of network address translation Electricity 55 Expired
US5735831A Expandable flowrate catheter assembly and method of making same Human Necessities 37 Expired
US8083792B2 Percutaneous endoprosthesis using suprarenal fixation and barbed anchors Human Necessities 23 Active

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