Inventor · Apex, NC, US

David S. Nyce

29Patents
13h-index
16Co-inventors
78Inventor score

Filing activity: Sep 28, 1990 → Mar 15, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5952823A Magnetostrictive linear displacement transducer for a shock absorber Performing Operations; Transporting 129 Expired
US6401883B1 Vehicle suspension strut having a continuous position sensor Mechanical Engineering; Lighting; Heating 82 Expired
US7258005B2 Isolated capacitive fluid level sensor Physics 65 Expired
US6293142A Electromagnetic method of liquid level monitoring Physics 28 Expired
US6707290B2 Magnetostrictive linear displacement transducer for a vehicle strut suspension Performing Operations; Transporting 25 Expired
US5253522A Apparatus for determining fluid level and fluid density Physics 19 Expired
US5471873A Densimeter Physics 16 Expired
US5070485A Low power magnetostrictive sensor Physics 15 Expired
US7340951B2 Distributed impedance sensor Physics 15 Active
US6564658B2 Electromagnetic method of liquid level monitoring Physics 15 Expired
US5043685A Threshold compensating detector for magnetostrictive transducer Physics 14 Expired
US6522222B1 Electromagnetic delay line with improved impedance conductor configuration Electricity 13 Expired
US6600310B2 Linear and rotary magnetic sensor Emerging Cross-Sectional Technologies 13 Expired
US7216054B1 Electromagnetic method and apparatus for the measurement of linear position Physics 13 Expired
US6919779B2 Folded magnetostrictive wave guide Physics 12 Expired
US6393912B2 Electromagnetic method of the angular displacement monitoring Physics 12 Expired
US7135855B2 Simplified inductive position sensor and circuit configuration Physics 11 Expired
US5848549A Magnetostrictive position sensing probe with waveguide referenced to tip for determining fluid level in a container Physics 11 Expired
US5640109A Pulse detector Electricity 9 Expired
US5367255A Magnetostrictive position transducer with band passed mode converter output for rejecting mechanical noise Physics 8 Expired
US6528990B1 Magnetostrictive linear displacement transducer for a vehicle steering system Performing Operations; Transporting 7 Expired
US6426618B1 Magnetostrictive linear displacement transducer for a vehicle steering system Performing Operations; Transporting 5 Expired
US6501263B1 Rotary position sensor Performing Operations; Transporting 5 Expired
US8692541B2 Position sensing head with redundancy Physics 4 Active
US6791427B1 Low duty cycle oscillator Electricity 3 Expired

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