Inventor · Athens, OH, US

Robert W. Redlich

28Patents
14h-index
4Co-inventors
74Inventor score

Filing activity: Apr 29, 1981 → Mar 25, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US5342176A Method and apparatus for measuring piston position in a free piston compressor Mechanical Engineering; Lighting; Heating 148 Expired
US6266968A Multiple evaporator refrigerator with expansion valve Emerging Cross-Sectional Technologies 81 Expired
US4602174A Electromechanical transducer particularly suitable for a linear alternator driven by a free-piston stirling engine Electricity 67 Expired
US5496153A Method and apparatus for measuring piston position in a free piston compressor Mechanical Engineering; Lighting; Heating 52 Expired
US5156005A Control of stirling cooler displacement by pulse width modulation of drive motor voltage Mechanical Engineering; Lighting; Heating 49 Expired
US4642547A Adaptive regulation system for a linear alternator driven by a free-piston stirling engine Electricity 48 Expired
US4667158A Linear position transducer and signal processor Physics 48 Expired
US4649283A Multi-phase linear alternator driven by free-piston Stirling engine Mechanical Engineering; Lighting; Heating 37 Expired
US5148066A Linear generator or motor with integral magnetic spring Mechanical Engineering; Lighting; Heating 35 Expired
US5592073A Triac control circuit Electricity 24 Expired
US5450521A Pulse width modulator Electricity 20 Expired
US4866378A Displacement transducer with opposed coils for improved linearity and temperature compensation Physics 20 Expired
US4926123A Precision variable pitch compensation winding for displacement transducer Emerging Cross-Sectional Technologies 17 Expired
US6118235A Circuits for controlling reciprocation amplitude of a linear motor Electricity 14 Expired
US4912409A Actuator displacement transducer having external flux excluding tube Physics 13 Expired
US4864232A Temperature compensation for displacement transducer Physics 11 Expired
US4409544A Instruments for measurement of carrier power and antenna impedance in AM broadcasting Physics 10 Expired
US5753985A Electric motor with oscillating rotary output and controlled amplitude Electricity 10 Expired
US6483207B1 Auto-centering linear motor Electricity 9 Expired
US6495996B1 Linear motor control with triac and phase locked loop Electricity 9 Expired
US5068607A Electrical linear position transducer with silicon steel foil shield surrounding transducer coil Physics 5 Expired
US6260368A Evaporator superheat stabilizer Mechanical Engineering; Lighting; Heating 5 Expired
US5153587A Monitor for instrument landing system Physics 4 Expired
US5967488A Electrically actuated reed valve Emerging Cross-Sectional Technologies 3 Expired
US4415902A Array for reducing the number of antenna elements for radiating instrument landing system localizer signals Electricity 3 Expired

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