Inventor · Chanhassen, MN, US

Doug Duchon

15Patents
12h-index
11Co-inventors
71Inventor score

Filing activity: Oct 10, 1997 → Jan 10, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
USD402028S Hand controller for medical system General 570 Expired
US6221045A Angiographic injector system with automatic high/low pressure switching Emerging Cross-Sectional Technologies 319 Expired
US6656157B1 Infinitely refillable syringe Emerging Cross-Sectional Technologies 234 Expired
US6099502A Dual port syringe Emerging Cross-Sectional Technologies 152 Expired
US6344030B1 Random speed change injector Emerging Cross-Sectional Technologies 137 Expired
US6447481B1 System for detecting air Emerging Cross-Sectional Technologies 101 Expired
US5988587A Control device for providing a variable control signal to a fluid-supplying machine Emerging Cross-Sectional Technologies 59 Expired
US6746427B2 System for detecting air Emerging Cross-Sectional Technologies 43 Expired
US7753885B2 Angiographic injector and injection method Emerging Cross-Sectional Technologies 31 Expired
US6945959B2 System for detecting air Emerging Cross-Sectional Technologies 29 Expired
US7153288B2 System for detecting air Emerging Cross-Sectional Technologies 27 Expired
US8241344B2 Stretchable stent and delivery system Human Necessities 13 Active
USD733319S1 Ultrasonic treatment wand General 8 Active
USD733321S1 Ultrasonic treatment device General 5 Active
US9962274B2 Stretchable stent and delivery Human Necessities 3 Active

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