Patents by Inventor Adolph R. Petersik

Adolph R. Petersik 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).

  • Slip form having reinforcement accommodating means
    Patent number: 4084928
    Abstract: An improved barrier forming apparatus and method whereby a barrier is formed continuously over a surface, the barrier having continuous reinforcing rods extending the length of the barrier and having cage reinforced standard supports at predetermined intervals along the length of the barrier. An improved barrier forming assembly is disclosed comprising a concrete forming member having a form cavity extending therethrough; a concrete passing member having a concrete delivery opening for passing concrete or the like to the form cavity; and a positioning assembly comprising a support shaft and a door member pivotally supported at a forward end of the concrete forming member, the barrier being extrudable continuously via the form cavity from a rearward end of the concrete forming member.
    Type: Grant
    Filed: November 3, 1976
    Date of Patent: April 18, 1978
    Assignee: CMI Corporation
    Inventor: Adolph R. Petersik