Inventronics, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 4107
 
 
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 1150

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9398665 Constant current drive for LED light sourceSep 28, 12Jul 19, 16[H02M, H05B]
9018845 Circuit for adjusting LED currentJul 21, 11Apr 28, 15[H05B]
8866394 Drive circuit for realizing accurate constant current of multiple LEDsDec 09, 10Oct 21, 14[H05B]
8853957 High efficiency constant current LED driverMay 24, 13Oct 07, 14[H05B]
8552942 LED drive circuit for SCR dimmingJul 06, 10Oct 08, 13[G09G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0093,348 METHOD, APPARATUS AND SYSTEM FOR CONTROLLING LIGHT SOURCEAbandonedNov 12, 10Apr 18, 13[H05B]
5984226 Method for making wound strings for musical instruments characterized by reduced inharmonicityExpiredApr 21, 98Nov 16, 99[G01D]
5892166 Wound strings for musical instrumentExpiredMay 23, 97Apr 06, 99[G10D]
5817960 Wound strings for musical instruments characterized by reduced inharmonicity and method for making the sameExpiredMay 27, 97Oct 06, 98[G10D]
5285711 Method and apparatus for tuning musical instrumentsExpiredJul 14, 92Feb 15, 94[G10G]

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