Patents by Inventor Ernest Albert Rogalla

Ernest Albert Rogalla 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).

  • Method for restoring load transfer capability
    Patent number: 6532714
    Abstract: A method for restoring load transfer capability across a joint between two adjacent concrete slabs includes cutting a perpendicular to the joint and extending into each of the adjoining slabs. A generally flat joint tie is positioned in the slot before filling the slot with polymer concrete. The joint tie may have holes extending between the broad faces of the joint tie, with rounded corners, and made of fiberglass.
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: March 18, 2003
    Inventors: Carl A. Ferm, Ransome J. Wyman, Paul Donald Krauss, Ernest Albert Rogalla
  • Method for restoring load transfer capability
    Patent number: 6052964
    Abstract: A method for restoring load transfer capability across a joint between two adjacent concrete slabs includes cutting a slot perpendicularly to the joint and extending into each of the adjoining slabs. The slot and joint are then integrally filled with polymer concrete to tie the slabs together. A joint tie may be placed in the slot and encased by the polymer concrete when restoring load transfer capability.
    Type: Grant
    Filed: March 16, 1998
    Date of Patent: April 25, 2000
    Inventors: Carl A. Ferm, Ransome J. Wyman, Paul Donald Krauss, Ernest Albert Rogalla