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QSC AUDIO PROD INC

Overview
  • Total Patents
    20
About

QSC AUDIO PROD INC has a total of 20 patent applications. Its first patent ever was published in 1980. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets audio-visual technology, basic communication technologies and electrical machinery and energy are TYMPHANY HK LTD, DEVIALET and ALTEC LANSING CORP.

Patent filings per year

Chart showing QSC AUDIO PROD INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Engebretson Mark E 5
#2 Esparza Luis F 5
#3 Hawkins Bernie 4
#4 Quilter Patrick H 4
#5 Neunaber Brian 3
#6 Hales L Paul 3
#7 Ierymenko Paul 2
#8 Shimabukuro Yasushi 1
#9 Irwin Gordon L 1
#10 Ferrell Barron 1

Latest patents

Publication Filing date Title
US2008169151A1 Loudspeaker port handle
US2006186955A1 Multi-channel, multi-power class D amplifier with regulated power supply
US2008085026A1 Curved line array with horizontal coverage control
US2008085027A1 Curved line array loudspeaker
US2008085028A1 Spiral line array loudspeaker
US2006086562A1 Speaker assembly with aiming device
US6940981B2 Apparatus and method of limiting power applied to a loudspeaker
AU2003209140A1 System and method for providing power factor correction
AU2002245676A1 Speaker mounting system
US6023193A High power bridge amplifier
US5767744A Lightweight fixed frequency discontinuous resonant power supply for audio amplifiers
US4321554A Time-delayed, variable output current limiting means for power amplifiers