Patents by Inventor Clifford Wickstead

Clifford Wickstead 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).

  • Size control
    Patent number: 4063643
    Abstract: Apparatus is described for checking articles on a conveyor and for removing oversize ones. The articles pass between a fixed feeler and push out a swinging feeler. If the swinging feeler is pushed too far, indicating an oversize article, this is detected and the respective article subsequently removed from the conveyor. The apparatus is particularly for use with glass containers.
    Type: Grant
    Filed: March 4, 1976
    Date of Patent: December 20, 1977
    Assignee: Rockware Glass Limited
    Inventor: Clifford Wickstead