Inventor · Belleville, MI, US

Mark A. Crawford

42Patents
22h-index
49Co-inventors
85Inventor score

Filing activity: Aug 22, 1988 → Apr 19, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5085645A Apparatus and method for a catheter adapter with valve Human Necessities 311 Expired
US5558651A Apparatus and method for a needle tip cover Human Necessities 259 Expired
US5601536A Needle tip cover Human Necessities 226 Expired
US4894052A Flash detection in an over the needle catheter with a restricted needle bore Human Necessities 188 Expired
US5382239A Repositional catheter fixation device Human Necessities 174 Expired
US6027480A Catheter introducer Human Necessities 149 Expired
USRE38996E1 Needle tip cover General 131 Expired
US6273871A Catheter introducer Human Necessities 130 Expired
US5366441A Catheter introducer assembly with guidewire Human Necessities 129 Expired
US8197452B2 Vascular access device non-adhering surfaces Emerging Cross-Sectional Technologies 123 Active
US5535771A Valved PRN adapter for infusion devices Emerging Cross-Sectional Technologies 122 Expired
US8337483B2 Vascular access device chamber replacement Human Necessities 65 Active
US8957786B2 Enhanced alignment method for park assist Physics 61 Active
US4976697A Catheter obturator with automatic feed and control Human Necessities 56 Expired
US8137303B2 Vascular access device cleaning status indication Emerging Cross-Sectional Technologies 55 Active
US5117981A Kit with tourniquet and rolled gloves Fixed Constructions 46 Expired
US8163237B2 Vascular access device pathogenic status indication Emerging Cross-Sectional Technologies 44 Active
US5263938A Guidewire introducer assembly Human Necessities 40 Expired
US7785299B2 Vascular access device time sensitive status indication Emerging Cross-Sectional Technologies 35 Active
US9072880B2 Subcutaneous vascular access ports and related systems and methods Human Necessities 30 Active
US5707363A Guidewire retention device Human Necessities 27 Expired
US8337464B2 Vascular access ports and related methods Human Necessities 27 Active
US9033931B2 Subcutaneous vascular access ports having attachment features Human Necessities 19 Active
US8257663B2 Vascular access device time sensitive status indication Emerging Cross-Sectional Technologies 18 Active
US8337465B2 Subcutaneous vascular access ports and related systems, methods, and implantation features Human Necessities 18 Active

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