Patents by Inventor Carl W. Scheffel

Carl W. Scheffel 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).

  • Restraint assembly for bridge roadway expansion joints
    Patent number: 4132491
    Abstract: A restraint assembly for bridge roadway expansion joints incorporates elastomer pads which resiliently mount a center channel of the expansion joint on a transverse support member thereby eliminating metal-to-metal contact and the production of objectionable noise.
    Type: Grant
    Filed: April 27, 1978
    Date of Patent: January 2, 1979
    Assignee: Fox Industries, Inc.
    Inventor: Carl W. Scheffel