TREA

Duncan BILLSON

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  • Kenilworth, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrostatic transducer
    • Patent number 10,785,575
    • Issue date Sep 22, 2020
    • Warwick Acoustics Limited
    • Duncan Billson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electrostatic transducer
    • Patent number 10,349,183
    • Issue date Jul 9, 2019
    • Warwick Acoustics Limited
    • Duncan Billson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Amplifier for electrostatic transducers
    • Patent number 9,692,372
    • Issue date Jun 27, 2017
    • Warwick Audio Technologies Limited
    • Brian Atkins
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Electrostatic transducer
    • Patent number 9,503,821
    • Issue date Nov 22, 2016
    • Warwick Audio Technologies Limited
    • Brian Atkins
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electrostatic loudspeakers
    • Patent number 8,416,973
    • Issue date Apr 9, 2013
    • Warwick Audio Technologies Limited
    • Andrew Peter Medley
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electrostatic audio loudspeakers
    • Patent number RE40860
    • Issue date Jul 21, 2009
    • University of Warwick
    • Duncan Robert Billson
    • 381 - Electrical audio signal processing systems and devices
  • Information Patent Grant

    Electrostatic audio loudspeakers
    • Patent number 7,095,864
    • Issue date Aug 22, 2006
    • University of Warwick
    • Duncan Robert Billson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Digital photographic reproduction apparatus
    • Patent number 6,778,738
    • Issue date Aug 17, 2004
    • Dig-ePrint Limited
    • Duncan Robert Billson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Electrostatic Transducer
    • Publication number 20170171668
    • Publication date Jun 15, 2017
    • Warwick Audio Technologies Limited
    • Duncan BILLSON
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Improved Electrostatic Transducer
    • Publication number 20170171669
    • Publication date Jun 15, 2017
    • Warwick Audio Technologies Limited
    • Duncan BILLSON
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Amplifier for Electrostatic Transducers
    • Publication number 20140233763
    • Publication date Aug 21, 2014
    • WARWICK AUDIO TECHNOLOGIES LIMITED
    • Brian Atkins
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Electrostatic Transducer
    • Publication number 20140232236
    • Publication date Aug 21, 2014
    • WARWICK AUDIO TECHNOLOGIES LIMITED
    • Brian Atkins
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Electrostatic Loudspeakers
    • Publication number 20090016552
    • Publication date Jan 15, 2009
    • WARWICK AUDIO TECHNOLOGIES LIMITED
    • Andrew Peter Medley
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE