BTECH, INC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2157
 
  
 
F24F AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 144
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119
 
  
 
H04M TELEPHONIC COMMUNICATION 1162

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0240,443 Blower Control SystemFeb 25, 15Aug 27, 15[E02D, F24F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9863116 Blower control systemFeb 25, 15Jan 09, 18[E02D, F24F]
8131486 Networked battery monitorsDec 01, 08Mar 06, 12[G06F, G01R]
7332913 Method and apparatus for determining to which battery cell in a string of battery cells a test instrument is connectedApr 28, 06Feb 19, 08[G01N]
7148708 Probe assembly for minimizing excitation pick-up voltagesMar 22, 06Dec 12, 06[G01R]
6463543 Serial bus communications systemAug 03, 99Oct 08, 02[H04M, G06F]
5281920 On-line battery impedance measurementAug 21, 92Jan 25, 94[H02J, G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6922058 Method for determining the internal impedance of a battery cell in a string of serially connected battery cellsExpiredDec 19, 03Jul 26, 05[H02J, G01N]
6167349 Battery parameter measurementExpiredApr 02, 98Dec 26, 00[G01N, G06F, G01R]
5821757 Noise reduction in an on-line battery impedance measurement systemExpiredMay 20, 97Oct 13, 98[H02J, G01N]
5047722 Apparatus for measuring internal resistance of wet cell storage batteries having non-removable cell capsExpiredApr 17, 89Sep 10, 91[G01N]

Top Inventors for This Owner

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