Patents by Inventor Jonathan Daniel Curlett

Jonathan Daniel Curlett 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).

  • Patent number: 9441421
    Abstract: An improved tooth for a roller crusher is presented. The tooth can include a first tungsten carbide overlay layer plasma-transfer arc welded on a recessed hemispherical end of the tooth, which is covered by a wearable cap placed over the first overlay layer, the cap welded to the tooth. A second tungsten carbide overlay layer can then be plasma-transfer arc welded over the cap to, thereby, provide a tooth having two tungsten carbide overlay wear layers.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: September 13, 2016
    Assignee: Bradken Canada Ltd.
    Inventors: Jonathan Daniel Curlett, Nolan Brian Serink
  • Publication number: 20140196957
    Abstract: An improved tooth for a roller crusher is presented. The tooth can include a first tungsten carbide overlay layer plasma-transfer arc welded on a recessed hemispherical end of the tooth, which is covered by a wearable cap placed over the first overlay layer, the cap welded to the tooth. A second tungsten carbide overlay layer can then be plasma-transfer arc welded over the cap to, thereby, provide a tooth having two tungsten carbide overlay wear layers.
    Type: Application
    Filed: January 15, 2014
    Publication date: July 17, 2014
    Applicant: Bradken Canada Ltd.
    Inventors: Jonathan Daniel Curlett, Nolan Brian Serink