ALTMAN STAGE LIGHTING CO., INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 6104
 
  
 
F21Y INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L, F21S and F21V, RELATING TO THE FORM OF THE LIGHT SOURCES 233
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 1132
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 199
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8523403 LED white light luminaire with imaging capabilityJan 05, 10Sep 03, 13[F21V]
8388178 LED cyclorama lightApr 05, 12Mar 05, 13[F21V]
8344655 Power and data track lighting systemJan 25, 10Jan 01, 13[H05B, G05F]
8152332 LED cyclorama lightNov 07, 08Apr 10, 12[F21V]
7152996 Diode lighting systemApr 27, 01Dec 26, 06[F21V]
6964501 Peltier-cooled LED lighting assemblyDec 24, 02Nov 15, 05[F21V]
6908214 Variable beam LED light source systemMar 27, 03Jun 21, 05[F21Y]
6671005 Digital micromirror stage lighting systemJun 21, 99Dec 30, 03[H04N, G02F]
6585395 Variable beam light emitting diode light source systemMar 22, 01Jul 01, 03[F21Y]
6220731 Cyclorama lightNov 10, 98Apr 24, 01[F21V]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7210818 Flexible LED lighting stripExpiredSep 27, 04May 01, 07[F21S]
2005/0265,024 Variable beam LED light source systemAbandonedJun 20, 05Dec 01, 05[F21V]
2005/0169,015 LED color changing luminaire and track light systemAbandonedSep 20, 04Aug 04, 05[F21K]
6846094 Flexible LED lighting stripExpiredAug 26, 02Jan 25, 05[F21V]
6412972 Digital light protection apparatus with digital micromirror device and rotatable housingExpiredDec 10, 99Jul 02, 02[F21V]
5261833 Lamp base assemblyExpiredOct 18, 91Nov 16, 93[H01R]
5198939 Apparatus for positioning apertures of a disk assemblyExpiredNov 21, 91Mar 30, 93[G02B]
5188452 Color mixing lighting assemblyExpiredSep 27, 91Feb 23, 93[F21V]
5034866 Multilamp strip light luminaire systemExpiredDec 28, 89Jul 23, 91[F21V]
4958265 Symmetrical color changer systemExpiredAug 15, 89Sep 18, 90[F21V]
4897770 Symmetrical color changer systemExpiredMar 04, 88Jan 30, 90[F21V]
4893225 Color changerExpiredMar 03, 88Jan 09, 90[F21V]
4811182 Color changerExpiredDec 08, 86Mar 07, 89[F21V]
4777568 Low-inertial beam direction lighting systemExpiredNov 10, 87Oct 11, 88[F21V]
4729071 Low-inertial beam direction lighting systemExpiredNov 03, 86Mar 01, 88[F21V]
4706006 Dual-axis tactile feedback light control deviceExpiredOct 31, 86Nov 10, 87[G05B]
D283054 Rotatable detachable head for weather resistant spot lightExpiredMar 18, 83Mar 18, 86[]
4536832 Replaceable light source assemblyExpiredMay 09, 84Aug 20, 85[F21S]
4462067 Spotlight and adjusting systemExpiredApr 08, 83Jul 24, 84[F21V]

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