Patents by Inventor Ralph A. Schwarzer

Ralph A. Schwarzer 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).

  • Embedded mesh in precast walls
    Patent number: 8667764
    Abstract: Systems and methods for securely attaching a screen or mesh to a pre-stressed or precast concrete wall panel are provided. A screen or mesh is embedded in a concrete form when the concrete form is poured. Portions of the concrete form can be stripped and the wall panel can be easily removed from the form without binding on the form itself and without requiring removal of the portion of the form which creates the window opening.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: March 11, 2014
    Assignee: Unistress Corporation
    Inventors: Ralph A. Schwarzer, Sandy S. Spring, Ronald W. DeAngelis
  • Embedded mesh in precast walls
    Patent number: 8418428
    Abstract: Systems and methods for securely attaching a screen or mesh to a pre-stressed or precast concrete wall panel are provided. A screen or mesh is embedded in a concrete form when the concrete form is poured. Portions of the concrete form can be stripped and the wall panel can be easily removed from the form without binding on the form itself and without requiring removal of the portion of the form which creates the window opening.
    Type: Grant
    Filed: August 18, 2010
    Date of Patent: April 16, 2013
    Assignee: Unitrex Corporation
    Inventors: Ronald W. DeAngelis, Ralph A. Schwarzer, Sandy S. Spring
  • Embedded Mesh in Precast Walls
    Publication number: 20110197545
    Abstract: Systems and methods for securely attaching a screen or mesh to a pre-stressed or precast concrete wall panel are provided. A screen or mesh is embedded in a concrete form when the concrete form is poured. Portions of the concrete form can be stripped and the wall panel can be easily removed from the form without binding on the form itself and without requiring removal of the portion of the form which creates the window opening.
    Type: Application
    Filed: August 18, 2010
    Publication date: August 18, 2011
    Applicant: Unistress Corporation
    Inventors: Ronald W. DeAngelis, Ralph A. Schwarzer, Sandy S. Spring