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Thomas R. Howarth

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  • Orlando, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for making a thermoacoustic device
    • Patent number 10,805,738
    • Issue date Oct 13, 2020
    • The United States of America as represented by the Secretary of the Navy
    • Christian R Schumacher
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Thermoacoustic device with acoustically transparent housing
    • Patent number 10,779,089
    • Issue date Sep 15, 2020
    • The United States of America as represented by the Secretary of the Navy
    • Christian R Schumacher
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Underwater acoustic carbon nanotube thermophone
    • Patent number 9,838,802
    • Issue date Dec 5, 2017
    • The United States of America as represented by the Secretary of the Navy
    • Thomas R Howarth
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Carbon nanotube underwater acoustic thermophone
    • Patent number 9,838,803
    • Issue date Dec 5, 2017
    • The United States of America as represented by the Secretary of the Navy
    • Thomas R Howarth
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Magnetically controllable transducer backing component
    • Patent number 9,602,915
    • Issue date Mar 21, 2017
    • The United States of America as represented by the Secretary of the Navy
    • Thomas R Howarth
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Transducer with modifiable passive component
    • Patent number 9,215,525
    • Issue date Dec 15, 2015
    • The United States of America as represented by the Secretary of the Navy
    • Thomas R. Howarth
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Piezoelectric generator and method
    • Patent number 8,030,825
    • Issue date Oct 4, 2011
    • The United States of America as represented by the Secretary of the Navy
    • Thomas R. Howarth
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Lightweight underwater acoustic projector
    • Patent number 6,798,122
    • Issue date Sep 28, 2004
    • The United States of America as represented by the Secretary of the Navy
    • Thomas R. Howarth
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Mount for underwater acoustic projector
    • Patent number 6,798,888
    • Issue date Sep 28, 2004
    • The United States of America as represented by the Secretary of the Navy
    • Thomas R. Howarth
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Piezoelectric acoustic actuator
    • Patent number 6,717,337
    • Issue date Apr 6, 2004
    • The United States of America as represented by the Secretary of the Navy
    • Thomas R. Howarth
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Acoustic transducer panel
    • Patent number 6,438,242
    • Issue date Aug 20, 2002
    • The United States of America as represented by the Secretary of the Navy
    • Thomas R. Howarth
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Torsional shear wave transducer
    • Patent number 5,321,333
    • Issue date Jun 14, 1994
    • The United States of America as represented by the Secretary of the Navy
    • Alan K. Walden
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Permanent magnet biased magnetostrictive transducer
    • Patent number 4,703,464
    • Issue date Oct 27, 1987
    • Raytheon Company
    • Thomas R. Howarth
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Piezoelectric generator and method
    • Publication number 20110127881
    • Publication date Jun 2, 2011
    • Thomas R. Howarth
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Piezoelectric acoustic actuator
    • Publication number 20020176592
    • Publication date Nov 28, 2002
    • Thomas R. Howarth
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE