Patents by Inventor Frederick A. Blom

Frederick A. Blom 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).

  • Patent number: 6234713
    Abstract: A vibrator assembly is described for use with a concrete paving machine moveable longitudinally along a body of poured concrete. The paving machine includes a machine frame and a finishing carriage unit moveable transversely back and forth across the body of concrete. A plurality of support members are mounted to the paving machine frame and include extension members structurally arranged to move between a collapsed position and an extended position. A vibrator truss support frame member is mounted to the extension members and a ganged vibrator carriage assembly is mounted to the vibrator truss support frame member and structurally arranged to move transversely back and forth across and through the body of concrete.
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: May 22, 2001
    Assignee: CMI Corporation
    Inventors: Murray A. Rowe, Frederick A. Blom, Dean A. Johnson
  • Patent number: 4910762
    Abstract: A method for a telephone network service that utilizes state of the art intercept and message techniques to verbally advise/forewarn a calling party who is calling a line enabled for this service that the line being called will be answered by an automatic answering device, and offer the calling party the option to terminate the call before the called line answers and, if applicable, before billing for the call is initiated.
    Type: Grant
    Filed: July 20, 1988
    Date of Patent: March 20, 1990
    Inventor: Frederick A. Blom