Patents by Inventor Raymond Kirby

Raymond Kirby has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Sound suppression apparatus
    Patent number: 10458589
    Abstract: A sound suppression apparatus for installation inside a gas transport duct is provided. The sound suppression apparatus comprises a resistive sound-absorbing element (110) and a housing providing a reactive sound-attenuating element (130) communicating with a surrounding of the apparatus via opening in an outer surface of the housing. An outer surface of the sound suppression apparatus comprises an outer surface of the resistive sound-absorbing element and the outer surface of the housing. A gas transport duct comprising the sound suppression apparatus is also provided.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: October 29, 2019
    Assignee: AAF Ltd.
    Inventors: James Matthew Hill, Colin Alexander Malecki, Paul Timothy Williams, Mats Abom, Raymond Kirby
  • SOUND SUPPRESSION APPARATUS
    Publication number: 20170219153
    Abstract: A sound suppression apparatus for installation inside a gas transport duct is provided. The sound suppression apparatus comprises a resistive sound-absorbing element (110) and a housing providing a reactive sound-attenuating element (130) communicating with a surrounding of the apparatus via opening in an outer surface of the housing. An outer surface of the sound suppression apparatus comprises an outer surface of the resistive sound-absorbing element and the outer surface of the housing. A gas transport duct comprising the sound suppression apparatus is also provided.
    Type: Application
    Filed: July 15, 2015
    Publication date: August 3, 2017
    Applicant: AAF Ltd.
    Inventors: James Matthew Hill, Colin Alexander Malecki, Paul Timothy Williams, Mats Abom, Raymond Kirby