Patents by Inventor Eugene E. Pietras

Eugene E. Pietras 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).

  • Valve assembly and locking means therefor
    Patent number: 4971289
    Abstract: A valve assembly comprising a valve having a housing and a valve element disposed in the housing and movable between closed and open positions, the valve element having a nut portion and a wing portion, the nut portion projecting out of the housing and having a cross-sectional configuration such that a tool may be applied for turning the valve element between the closed and open positions, the wing portion being movable between a first position when the valve element is in the closed position and a second position when the valve element is in the open position, the housing having a wing portion provided with an opening therein disposed in lockable relation with the valve element wing portion when the valve element wing portion is in its first position, a barrel lock removably mountable in registered openings of the wing portions when the valve element wing portion is in its first position whereby the valve element will be locked in the closed position, and a rigid member having first means cooperable with the
    Type: Grant
    Filed: November 29, 1989
    Date of Patent: November 20, 1990
    Assignee: Niagara Mohawk Power Corporation
    Inventor: Eugene E. Pietras
  • Valve assembly and locking means therefor
    Patent number: 4926900
    Abstract: A valve assembly comprising a valve having a housing and a valve element disposed in the housing and movable between closed and open positions, the valve element having a wing portion provided with an opening therein movable between a first position when the valve element is in the closed position and a second position when the valve element is in the open position, the housing having a wing portion provided with an opening therein disposed in lockable relation with the valve element wing portion when the valve element wing portion is in its first position, a rigid spacer member disposable between the housing and valve element wing portions when the valve element wing portion is in its second position, a barrel lock removably mountable in registered openings of the wing portions when the valve element wing portion is in its first position whereby the valve element will be locked in the closed position, and the rigid spacer member having a hook portion cooperable with the opening in the valve element wing port
    Type: Grant
    Filed: May 16, 1989
    Date of Patent: May 22, 1990
    Assignee: Niagara Mohawk Power Corporation
    Inventor: Eugene E. Pietras