Inventor · Edgewood, MD, US

Robert L. Hill

24Patents
19h-index
33Co-inventors
81Inventor score

Filing activity: Dec 16, 1998 → Jul 26, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6210369A Automatic injector Human Necessities 450 Expired
US7449012B2 Automatic injector Human Necessities 161 Expired
US6770052B2 Wet/dry automatic injector assembly Human Necessities 154 Expired
US6641561B1 Drug delivery device Human Necessities 141 Expired
US7569035B1 Automatic injector with anti-coring needle Human Necessities 131 Expired
US6953445B2 Wet/dry automatic injector assembly Human Necessities 122 Expired
US7794432B2 Automatic injector with kickback attenuation Human Necessities 118 Active
US6702778B2 Wet/dry automatic injector assembly Human Necessities 112 Expired
US8048035B2 Automatic injector with needle cover Human Necessities 107 Active
US6656150B2 Wet/dry automatic injector assembly Human Necessities 106 Expired
US7621887B2 Wet/dry automatic injector assembly Human Necessities 76 Expired
US8057427B2 Drug delivery system with a small amount of a therapeutic agent Human Necessities 75 Active
US7811254B2 Autoinjector with needle depth adapter Human Necessities 57 Active
US8568367B2 Needle assemblies for wet/dry automatic injectors Human Necessities 51 Active
US8870827B2 Automatic injector Human Necessities 43 Active
US7678073B2 Vortex feature for drug delivery system Human Necessities 35 Active
US7749190B2 Seal structures for wet/dry automatic injectors Human Necessities 34 Active
US7608055B2 Flow-path inserts for wet/dry automatic injectors Human Necessities 32 Active
US7556614B2 Separation assembly for drug delivery device Human Necessities 22 Expired
US8187220B2 Seal structures for wet/dry automatic injectors Human Necessities 18 Active
US8506526B2 Seal structures for wet/dry automatic injectors Human Necessities 15 Active
US8690836B2 Auto-injector apparatus Human Necessities 14 Active
US11471614B2 Automatic injector General 0 Revoked
US11027066B2 Three-chambered autoinjector Human Necessities 0 Active

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