QTECH, 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
 
  
 
F21S NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF 353
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 3107
 
  
 
F21Y INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L, F21S and F21V, RELATING TO THE FORM OF THE LIGHT SOURCES 233
 
  
 
A47F SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS, OR THE LIKE; PAYING COUNTERS131
 
  
 
B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE 156
 
  
 
F21K LIGHT SOURCES NOT OTHERWISE PROVIDED FOR139
 
  
 
F21W INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS 117
 
  
 
G09F DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS 138
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0334,093 MULTIPLE EMISSION SOURCE MULTIPLE COOLING PATH LIGHTING SYSTEM AND METHODMar 14, 16Nov 17, 16[F21V, B29D, F21S]
2014/0368,125 LIGHTING PANEL WITH DISTRIBUTED CAPACITANCEJun 09, 14Dec 18, 14[H05B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9635108 Systems and methods for content sharing using uniquely generated idenifiersJan 23, 15Apr 25, 17[H04L]
9285081 LED high bay lighting sourceJun 12, 13Mar 15, 16[F21V, F21Y, F21K, F21S]
9022608 Unlit LED circuit bypass element with system and method thereforOct 23, 12May 05, 15[F21V, H01L, F21W, H05B, F21Y, G09F, F21S]
8890419 System and method providing LED emulation of incandescent bulb brightness and color response to varying power input and dimmer circuit thereforOct 18, 10Nov 18, 14[H05B]
8354800 Lighting source with low total harmonic distortionMay 28, 09Jan 15, 13[H05B]
D665123 Lighting system bracketDec 31, 11Aug 07, 12[2699]
7862195 Multiple positioned light source to achieve uniform or graded illuminationOct 09, 07Jan 04, 11[A47F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0361,680 LIGHTING SYSTEM USING DISPERSED FLUORESCENCEAbandonedJun 10, 14Dec 11, 14[C09K, F21V, F21K]
2014/0191,672 LOAD ADAPTER WITH TOTAL HARMONIC DISTORTION REDUCTIONAbandonedJan 07, 13Jul 10, 14[H05B]
2011/0164,407 LINEAR CONFIGURATION LIGHTING MODULE AND APPLICATION THEREOFAbandonedMar 18, 11Jul 07, 11[F21V, A47F]
2011/0090,675 Multiple Positioned Light Source to Achieve Uniform or Graded IlluminationAbandonedDec 22, 10Apr 21, 11[A47F]
2011/0069,477 Multiple Positioned Light Source to Achieve Uniform or Graded IlluminationAbandonedNov 23, 10Mar 24, 11[A47F]
2011/0069,478 Multiple Positioned Light Source to Achieve Uniform or Graded IlluminationAbandonedNov 23, 10Mar 24, 11[A47F]
7598677 Multiple failure detection shutdown protection circuit for an electronic ballastExpiredApr 13, 05Oct 06, 09[H05B]
7405522 Multiple failure detection shutdown protection circuit for an electronic ballastExpiredAug 26, 03Jul 29, 08[H05B]
6781326 Ballast with lamp sensor and method thereforExpiredDec 17, 01Aug 24, 04[G05F]
6222322 Ballast with lamp abnormal sensor and method thereforExpiredSep 08, 97Apr 24, 01[H05B]
4926097 Ballast circuit for a fluoroescent lampExpiredMar 28, 88May 15, 90[H05B]

Top Inventors for This Owner

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