Patents by Inventor Harold W Freitag, Jr.

Harold W Freitag, Jr. 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).

  • Vented mold and method for producing a molded article
    Patent number: 6352659
    Abstract: A mold (100) for producing foamed articles is described. The mold comprises an upper mold and a lower mold (102) releasingly engageable in a closed position to define a mold cavity (106) having a parting line about a periphery of the mold cavity. The parting line of the mold defines: (i) a first channel (108) along a first length of a periphery of the mold cavity, and (ii) a second channel (110) in communication with first channel, the second channel having a second length which is less than the first length. A method for producing a molded article use is also described. The subject mold and method are particularly well suited for the production of molded foam (e.g, polyurethane) articles.
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: March 5, 2002
    Assignee: Woodbridge Foam Corporation
    Inventors: Leslie E. Clark, Craig A Hunter, Donald J. McFarland, Harold W Freitag, Jr., Christopher A. Leite