Inventor · Eden Prairie, MN, US

Leonard S. Smith

11Patents
7h-index
7Co-inventors
59Inventor score

Filing activity: Jun 24, 1977 → Dec 2, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US4714812A Apparatus and method for processing dielectric materials with microwave energy Electricity 46 Expired
US5357078A Precision linear variable current control Performing Operations; Transporting 36 Expired
US9649037B2 Method and apparatus for hemodynamic monitoring using combined blood flow and blood pressure measurement Human Necessities 31 Active
US4881873A Capacitance level sensor for a bilge pump Mechanical Engineering; Lighting; Heating 31 Expired
US5172511A Fish or bait preservation apparatus and method Human Necessities 19 Expired
US4625175A Device indicating the time remaining of the useful life of a battery Physics 11 Expired
US4546302A Protective sensing means for battery charging circuit Emerging Cross-Sectional Technologies 10 Expired
US4227148A External means for increasing the sensitivity of a moving magnet type of meter Physics 3 Expired
US8075485B2 Gain setting in doppler haemodynamic monitors Physics 3 Active
US4164723A Shunt release and locking structure Electricity 1 Expired
US4086551A Shunt positioning device Electricity 1 Expired

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