Inventor · Ellisville, MO, US

Eugene E. Weilbacher

42Patents
21h-index
36Co-inventors
85Inventor score

Filing activity: Apr 24, 1975 → Feb 2, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US4529402A Closed wound suction evacuator with rotary valve Emerging Cross-Sectional Technologies 187 Expired
US4664652A Wound evacuator Human Necessities 171 Expired
US7695458B2 IV catheter with in-line valve and methods related thereto Human Necessities 128 Active
US5314416A Low friction syring assembly Human Necessities 119 Expired
US8286657B2 IV catheter with in-line valve and methods related thereto Emerging Cross-Sectional Technologies 105 Active
US6949086B2 Seldinger safety shield for medical needles Emerging Cross-Sectional Technologies 99 Expired
US9220882B2 IV catheter with in-line valve and methods related thereto Emerging Cross-Sectional Technologies 82 Active
US7691090B2 IV catheter with in-line valve and methods related thereto Emerging Cross-Sectional Technologies 81 Active
US5931821A Chest drainage unit with controlled automatic excess negativity relief feature Human Necessities 66 Expired
US7361159B2 Passive safety shield Human Necessities 64 Expired
US8747387B2 IV catheter with in-line valve and methods related thereto Emerging Cross-Sectional Technologies 62 Active
US4460354A Closed wound suction evacuator Human Necessities 56 Expired
US7198618B2 Safety shield for medical needles Emerging Cross-Sectional Technologies 54 Expired
US5554127A Syringe needle thimble cap and method of use thereof Human Necessities 53 Expired
US7981089B2 Vial access device Human Necessities 50 Active
US6485469B1 Shielded dental safety needle Human Necessities 44 Expired
US5242389A Enteral feeding tube enteral feeding tube with separate stylet lumen Human Necessities 34 Expired
US3993067A Autotransfusion device Human Necessities 31 Expired
US7037292B2 Safety needle shield apparatus Human Necessities 29 Expired
US6024120A Pressure relief valve with moving diaphragm Emerging Cross-Sectional Technologies 28 Expired
US5925025A Filtration valve cap with reflux clearing feature and related method of use thereof Human Necessities 24 Expired
US4465483A Modular drainage apparatus Emerging Cross-Sectional Technologies 20 Expired
US5360418A Connector for a thoracic catheter Emerging Cross-Sectional Technologies 19 Expired
USD303840S Surgical drain tube General 17 Expired
US9358348B2 Safety shield for medical needles Human Necessities 17 Active

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