Patents by Inventor Andrew J. Waitkins

Andrew J. Waitkins 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).

  • Work carrier for gravity conveyors
    Patent number: 3967712
    Abstract: A gravity conveyor of the chuting or rollerway type wherein workpieces of regular or irregular shape having easily damaged surfaces are supported within protective work carriers which roll or slide along the conveyor. The work carriers are of cylindrical shape and formed with a through co-axial bore.
    Type: Grant
    Filed: December 24, 1974
    Date of Patent: July 6, 1976
    Assignee: F. Jos. Lamb Company
    Inventors: Andrew J. Waitkins, Ralph E. Beyer, Lungchuck Wong