Patents by Inventor Lee Herbert

Lee Herbert 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).

  • Radiant tube heater assembly
    Publication number: 20060081580
    Abstract: An indirect heater assembly (10) comprises a radiant tube heater (12) and a fan (14) for generating an air flow over the heater (12). In an preferred embodiment and in another aspect, the radiant tube heater (12) comprises a radiant tube burner, an elongate tube 16 and a spiral tube (23) connected to the elongate tube (16) by a U-shaped tube (25). The spiral tube (23) extends around the elongate tube (16) coaxially thereof.
    Type: Application
    Filed: November 7, 2003
    Publication date: April 20, 2006
    Applicant: AMBI-RAD LIMITED
    Inventors: Glyn Turner, Lee Herbert