Patents by Inventor Jennifer Ackers, executor

Jennifer Ackers, executor 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).

  • Horizontal impact crusher having hydraulic cover latch
    Patent number: 5775609
    Abstract: A horizontal impact crusher having a frame cover for accessing the machine's crushing chamber is provided with hydraulic cover latches for opening and closing the frame cover.
    Type: Grant
    Filed: March 13, 1996
    Date of Patent: July 7, 1998
    Assignee: W. S. Tyler, Incorporated
    Inventors: Stephen B. Ackers, deceased, Jennifer Ackers, executor, Donley D. Freshwater