Patents by Inventor Frederick P. Johnson

Frederick P. Johnson 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).

  • Production of cases
    Patent number: 4332579
    Abstract: A method and apparatus for converting box blanks into formed but collapsed cases, the apparatus comprising means (15, 16) for receiving a vertical stack(s) of blanks, means (18, 19) for elevating and supporting the stack such that the top of the stack is continually elevated into position against a feeding mechanism (17) at a fixed elevated level, the apparatus further comprising a line of casemaking machinery (10a, 10b, 11, 12, 13, 14), all arranged at the elevated level of the feeding mechanism (17).
    Type: Grant
    Filed: August 6, 1979
    Date of Patent: June 1, 1982
    Assignee: Simon Container Machinery Limited
    Inventor: Frederick P. Johnson