Inventor · Palatine, IL, US

Thomas E. Dudar

64Patents
35h-index
64Co-inventors
91Inventor score

Filing activity: Apr 18, 1986 → Mar 22, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5100394A Pre-slit injection site Human Necessities 388 Expired
US5135489A Pre-slit injection site and tapered cannula Emerging Cross-Sectional Technologies 336 Expired
US5957898A Needleless connector Emerging Cross-Sectional Technologies 298 Expired
US5211638A Pre-slit injection site Human Necessities 291 Expired
US4850978A Drug delivery cartridge with protective cover Human Necessities 238 Expired
US6344033B1 Needleless connector Emerging Cross-Sectional Technologies 226 Expired
US6669681B2 Needleless connector Emerging Cross-Sectional Technologies 226 Expired
US5158554A Pre-slit injection site and associated cannula Emerging Cross-Sectional Technologies 222 Expired
US6261282A Needleless connector Emerging Cross-Sectional Technologies 220 Expired
US5188620A Pre-slit injection site and associated cannula Emerging Cross-Sectional Technologies 218 Expired
US5411499A Needleless vial access device Human Necessities 209 Expired
US5433330A Needleless access stopper Emerging Cross-Sectional Technologies 204 Expired
US5797897A Pre-slit injection site and tapered cannula Human Necessities 181 Expired
US5171234A Method of effecting a transfer of fluid from a source to a receiver Emerging Cross-Sectional Technologies 179 Expired
US6213996A Pre-slit injection site and tapered cannula Emerging Cross-Sectional Technologies 177 Expired
US5776125A Needleless vial access device Human Necessities 145 Expired
USD321250S Cannula General 141 Expired
US6569125B2 Pre-slit injection site and tapered cannula Emerging Cross-Sectional Technologies 135 Expired
US5871500A Pre-slit injection site and tapered cannula Human Necessities 126 Expired
USD321251S Cannula receiver General 122 Expired
US6605076B1 Pre-slit injection site and tapered cannula Human Necessities 93 Expired
US5167648A Pre-slit injection site and associated cannula Emerging Cross-Sectional Technologies 89 Expired
US5899888A Pre-slit injection site and tapered cannula Emerging Cross-Sectional Technologies 84 Expired
US5389086A Safety cannula Emerging Cross-Sectional Technologies 79 Expired
US5658260A Bayonet lock cannula for pre-slit y-site Emerging Cross-Sectional Technologies 77 Expired

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