Patents by Inventor John C. Stemmler

John C. Stemmler 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).

  • Coupling assembly
    Patent number: 6481756
    Abstract: A coupling assembly for use in connecting fluid lines having a unitary female body and a male coupling portion. The female body includes at least two passageways having frangible diaphragms. The male coupling portion includes at least two male coupling halves having frangible diaphragms. Cutting devices are positioned in the passageways of the female body. As the male coupling portion is moved toward the female body by a bracket and fastening device, the diaphragms are ruptured to allow fluid flow between the lines.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: November 19, 2002
    Assignee: Parker-Hannifin Corporation
    Inventors: John C. Field, John C. Stemmler, Michael P. Wells, Christopher E. Schadewald, Gregory A. Haunhorst
  • Coupling assembly
    Patent number: 6382678
    Abstract: A coupling assembly for use in connecting fluid lines having a unitary female body and a male coupling portion. The female body includes at least two passageways having frangible diaphragms. The male coupling portion includes at least two male coupling halves having frangible diaphragms. Cutting devices are positioned in the passageways of the female body. As the male coupling portion is moved toward the female body by a bracket and fastening device, the diaphragms are ruptured to allow fluid flow between the lines.
    Type: Grant
    Filed: September 16, 1999
    Date of Patent: May 7, 2002
    Assignee: Parker-Hannifin Corporation
    Inventors: John C. Field, John C. Stemmler, Michael P. Wells, Christopher E. Schadewald, Gregory A. Haunhorst