Inventor · Sterling Heights, MI, US

Thaddeus Schroeder

107Patents
24h-index
64Co-inventors
93Inventor score

Filing activity: Oct 29, 1974 → Dec 4, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5291133A Multi-bit encoder signal conditioning circuit having common mode disturbance compensation Physics 633 Expired
US5631093A Magnetically coded device Emerging Cross-Sectional Technologies 145 Expired
US7106233B2 Integrated galvanomagnetic sensor array system Physics 105 Expired
US5508611A Ultrathin magnetoresistive sensor package Emerging Cross-Sectional Technologies 98 Expired
US5327856A Method and apparatus for electrically driving engine valves Mechanical Engineering; Lighting; Heating 94 Expired
US5491633A Position sensor for electromechanical suspension Emerging Cross-Sectional Technologies 92 Expired
US5210493A Method for embedding wires within a powder metal core and sensor assembly produced by such a method Emerging Cross-Sectional Technologies 84 Expired
US5315245A Sensor assembly having embedded wires within a powder metal core and a method therefor Emerging Cross-Sectional Technologies 82 Expired
US5492572A Method for thermomagnetic encoding of permanent magnet materials Emerging Cross-Sectional Technologies 79 Expired
US5216405A Package for the magnetic field sensitive device Electricity 71 Expired
US6911830B2 Diesel engine lubricating oil contaminant sensor method Physics 59 Expired
US6291989A Differential magnetic position sensor with adaptive matching for detecting angular position of a toothed target wheel Physics 49 Expired
US5568048A Three sensor rotational position and displacement detection apparatus with common mode noise rejection Physics 45 Expired
US5754042A Magnetoresistive encoder for tracking the angular position of a rotating ferromagnetic target wheel Physics 44 Expired
US7011326B1 Piezoresistive torque sensor Physics 38 Expired
US4926122A High sensitivity magnetic circuit Physics 37 Expired
US6489761B1 Magnetic arrangement for an analog angle encoder Physics 36 Expired
US5570016A Method and apparatus for detecting crankshaft angular position Physics 34 Expired
US5598814A Method and apparatus for electrically driving engine valves Mechanical Engineering; Lighting; Heating 31 Expired
US4148372A Resistor coded theft deterrent system Emerging Cross-Sectional Technologies 31 Expired
US5731702A High accuracy angle based rotation sensor with time based back up Electricity 30 Expired
US5089060A Thermomagnetically patterned magnets and method of making same Emerging Cross-Sectional Technologies 28 Expired
US5513972A Surface generating device suitable for generating a die, mold or fixture surface Performing Operations; Transporting 26 Expired
US4195673A Fuel tank fill tube with a magnetically actuated valve Emerging Cross-Sectional Technologies 26 Expired
US4924696A Noncontacting position sensor for an automotive steering system Performing Operations; Transporting 24 Expired

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