LUCAS AUTOMATION AND CONTROL ENGINEERING, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01C MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 2103
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5237753 Capacitive gravity sensor and inclinometerMay 18, 92Aug 24, 93[G01C]
5180986 Two axis capacitive inclination sensorOct 15, 91Jan 19, 93[G01C, G01R]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5828016 Low profile tactile switchExpiredFeb 03, 97Oct 27, 98[H01H]
5778507 Machine and method for making dome arrays mounted on a backup stripExpiredMar 27, 95Jul 14, 98[B26D, B65B]
5686797 Electronluminescent lamp inverterExpiredOct 27, 95Nov 11, 97[H05B]
5463283 Drive circuit for electroluminescent lampExpiredMay 24, 94Oct 31, 95[H05B]
5454892 Method of making an improved electroluminescent deviceExpiredApr 01, 94Oct 03, 95[B05D, H05B]
5352951 Electroluminescent deviceExpiredJun 03, 91Oct 04, 94[C09K, B05D, H05B]
5079847 Two axis inclination sensorExpiredMay 22, 89Jan 14, 92[G01C]
4920797 Fluid level sensorExpiredJan 09, 89May 01, 90[G01B, G01F]
4893120 Touch panel using modulated lightExpiredNov 18, 88Jan 09, 90[G01V]
4868912 Infrared touch panelExpiredJul 28, 88Sep 19, 89[G08C]
4812830 Touch panel display assemblyExpiredDec 08, 86Mar 14, 89[G09G]
4644662 Capacitive gravity sensorExpiredApr 29, 86Feb 24, 87[G01C]
4642555 Differential capacitance detectorExpiredJan 31, 85Feb 10, 87[G01R]
4606132 Digital electronic inclination gaugeExpiredFeb 26, 85Aug 19, 86[G01C]
4560902 Adhesively bonded electroluminescent systemExpiredJul 18, 83Dec 24, 85[H05B]

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