Inventor · Lyndhurst, OH, US

William A. Smith

24Patents
18h-index
23Co-inventors
81Inventor score

Filing activity: Nov 25, 1974 → Dec 17, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5370509A Sealless rotodynamic pump with fluid bearing Emerging Cross-Sectional Technologies 273 Expired
US5049134A Sealless heart pump Emerging Cross-Sectional Technologies 233 Expired
US5626579A Bone transport and lengthening system Human Necessities 224 Expired
US5145333A Fluid motor driven blood pump Emerging Cross-Sectional Technologies 220 Expired
US4692809A Integrated touch paint system for displays Emerging Cross-Sectional Technologies 203 Expired
US8177703B2 Blood pump Human Necessities 171 Active
US4695827A Electromagnetic energy interference seal for light beam touch panels Electricity 151 Expired
US5098256A Viscous seal blood pump Emerging Cross-Sectional Technologies 134 Expired
US5118264A Purge flow control in rotary blood pumps Emerging Cross-Sectional Technologies 120 Expired
US5324177A Sealless rotodynamic pump with radially offset rotor Emerging Cross-Sectional Technologies 114 Expired
US5890883A Rotodynamic pump with non-circular hydrodynamic bearing journal Human Necessities 92 Expired
US5006104A Heart pump having contractible guide mechanism for pusher plate Human Necessities 52 Expired
US7435059B2 Flow controlled blood pump system Human Necessities 43 Expired
US7189260B2 Ventricular assist system secondary impeller Human Necessities 39 Expired
US8920517B2 Modeling and desired control of an energy-storing prosthetic knee Human Necessities 35 Active
US8992407B2 Blood pump Human Necessities 31 Active
US10369260B2 Blood pump Human Necessities 31 Active
US9950101B2 Blood pump Human Necessities 30 Active
US5697493A Tactile feedback switch actuator Electricity 17 Expired
US11185678B2 Blood pump Human Necessities 15 Active
US5309320A Circuit card assembly conduction converter Electricity 14 Expired
US3982152A Cascade crossed field device Electricity 6 Expired
US6010467A Back trigger-point instrument Human Necessities 4 Expired
US5161092A Circuit card assembly conduction converter Electricity 4 Expired

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