Inventor · Draper, UT, US

Glade H. Howell

113Patents
38h-index
89Co-inventors
93Inventor score

Filing activity: Jan 19, 1995 → Oct 30, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6749588B1 Catheter and introducer needle assembly with needle shield Human Necessities 365 Expired
US5865806A One step catheter advancement automatic needle retraction system Human Necessities 356 Expired
US5911705A One step catheter advancement automatic needle retraction system Human Necessities 308 Expired
US6004294A Catheter and introducer needle assembly with needle shield Human Necessities 293 Expired
US6379333B1 Catheter and introducer needle assembly with needle shield Human Necessities 226 Expired
US6652490B2 Catheter and introducer needle assembly with compact needle shield Human Necessities 209 Expired
US6228060A Blood seal having a spring-biased septum Human Necessities 206 Expired
US5830190A Protected needle catheter placement device having needle placement visualization features and method for its use Human Necessities 154 Expired
US5820614A Disconnect for medical access devices Emerging Cross-Sectional Technologies 152 Expired
US6027480A Catheter introducer Human Necessities 149 Expired
US6273871A Catheter introducer Human Necessities 130 Expired
US6228062A One piece lock for splittable sheath Human Necessities 126 Expired
US7935080B2 Catheter and introducer needle assembly with needle shield Human Necessities 123 Expired
US8197452B2 Vascular access device non-adhering surfaces Emerging Cross-Sectional Technologies 123 Active
US5772643A Barbed luer adapter Emerging Cross-Sectional Technologies 120 Expired
US7691088B2 Vascular access device Emerging Cross-Sectional Technologies 104 Active
US7507222B2 Method and apparatus for shielding the tip of a catheter introducer needle Human Necessities 98 Expired
US8512287B2 Patch-like infusion device Human Necessities 97 Active
US6139532A Clamping wing for catheter introducer Human Necessities 96 Expired
US5776113A Valved PRN adapter for medical access devices Emerging Cross-Sectional Technologies 94 Expired
US5807342A Catheter with improved tape down wing Emerging Cross-Sectional Technologies 86 Expired
USD417733S Catheter introducer needle assembly General 84 Expired
USD383538S Catheter cover General 75 Expired
US8377010B2 Medical access device Human Necessities 68 Active
USD421119S Introducer needle General 68 Expired

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