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LIGHT & SOUND DESIGN LTD

Overview
  • Total Patents
    127
About

LIGHT & SOUND DESIGN LTD has a total of 127 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets electrical machinery and energy, optics and audio-visual technology are MORPHEUS LIGHTS INC, ANGENIEUX P ETS and BORNHORST JAMES.

Patent filings per year

Chart showing LIGHT & SOUND DESIGN LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hewlett William 37
#2 Evans Nigel 33
#3 Hewlett William E 30
#4 Hunt Mark A 27
#5 Clarke Ian 18
#6 Parker Richard 13
#7 Hughes Michael 13
#8 Owen Keith James 11
#9 Hunt Mark Alistair 8
#10 Owen Keith J 7

Latest patents

Publication Filing date Title
US2003198782A1 Medium for a color changer
US2002018284A1 Programmable light beam shape altering device using programmable micromirrors
US2001050800A1 Pixel based gobo record control format
US6430934B2 Super cooler for a heat producing device
US6592480B2 Belt looping
EP1259144A1 Rotatable light fixture with dual hook clamp
US6549324B2 Trimmer iris for use with a digitally shape-controlled lighting system
EP1259838A1 Calibration for optical filter
WO0157986A2 Bulb cooling
US6588944B2 Three color digital gobo system
WO0122154A2 Multilayer control of gobo shape
WO0045218A1 Pixel based gobo record control format
US6278542B1 Programmable light beam shape altering device using separate programmable micromirrors for each primary color
US6288828B1 Programmable light beam shape altering device using programmable micromirrors
US6210023B1 Anti-noise system for a moving object
US6208087B1 Pixel mirror based stage lighting system
US6057958A Pixel based gobo record control format
US6011662A Custom color wheel
US6220730B1 Illumination obscurement device
US6062706A Variable color fluorescent lighting