Patents by Inventor James M. Jecmen

James M. Jecmen 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).

  • Fire stop safety astragal
    Patent number: 4224767
    Abstract: An astragal is formed by securing lengthwise flexible fire-resistant material to a mounting channel adapted to be mounted on an elevator fire door. The flexible fire-resistant material of the astragal is secured to the upwardly extending flanges of the mounting channel to form an elongated boot of uniform cross-section, wherein the astragal nose is substantially parallel to the mounting channel thereby insuring an effective fire seal.
    Type: Grant
    Filed: February 27, 1979
    Date of Patent: September 30, 1980
    Assignee: Harris Preble Company
    Inventors: James M. Jecmen, deceased, John J. Jecmen
  • Astragal
    Patent number: 3943663
    Abstract: An improved astragal is formed by joining two layers of flexible fire-resistant material to form an envelope, which is then shaped whereby extensions of said envelope are overlapped to form a joint contiguous to a mounting bar, which mounting bar is used to affix the astragal to the elevator door.
    Type: Grant
    Filed: December 6, 1974
    Date of Patent: March 16, 1976
    Assignee: Harris Preble Company
    Inventors: James M. Jecmen, John J. Jecmen