Patents by Inventor Steven R. Covert

Steven R. Covert 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).

  • Patent number: 5775755
    Abstract: A tube gripper device includes a one-piece gripper assembly of plastic material having a base portion and a plurality of gripper fingers extending therefrom in spaced apart parallel relation to each other for individual flexing movement relative to the base. A cam member is slidably engageable with each of said fingers and is connected to a solenoid actuator whereby upon energization of the solenoid actuator, the cam member is moveable to spread the fingers apart. A spring is provided for moving the fingers into gripping engagement with a tube upon de-energization of the solenoid actuator.
    Type: Grant
    Filed: March 19, 1997
    Date of Patent: July 7, 1998
    Assignee: Duratech, Inc.
    Inventors: Steven R. Covert, Jeffrey P. Moore, John M. Rhoades