Patents by Inventor Allyn P. Norris

Allyn P. Norris 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).

  • Erosion test apparatus
    Patent number: 4493206
    Abstract: A test apparatus can test the erosion resistance of a specimen. The apparatus has an enclosure containing in its test chamber an abrasive medium. Also included is a spindle attached to the enclosure. The spindle has an inside end adapted to hold the specimen. A motor coupled to the spindle can spin the inside end at an adjustable angular speed within the medium. Preferably, a thermal jacket can moderate temperature within the spindle apparatus. The apparatus is used to spin the specimen through the abrasive medium at a chosen speed and then measure the extent of erosion.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: January 15, 1985
    Assignee: Foster Wheeler Energy Corporation
    Inventors: Richard C. Johnson, Allyn P. Norris