Patents by Inventor Milburn Eugene Cummins

Milburn Eugene Cummins 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).

  • Method for assembling a modular fluid end for duplex pumps
    Patent number: 7524173
    Abstract: A fluid end for a duplex mud pump. In one implementation, the fluid end includes two liner blocks, each having a central passage. The fluid end further includes two fluid inlets disposed on a side portion and two fluid outlets disposed on a top portion and a suction manifold displaced from the two liner blocks. The suction manifold comprises four flanges. The fluid end further includes four suction valve blocks, each having a bottom portion removably coupled to one of the four flanges and a side portion removably coupled to the side portion of the liner block, and four discharge valve blocks, each having a bottom portion removably coupled to the top portion of the liner block.
    Type: Grant
    Filed: November 1, 2007
    Date of Patent: April 28, 2009
    Assignee: EC Tool and Supply Company
    Inventor: Milburn Eugene Cummins
  • Fluid end for duplex pumps
    Patent number: 7354256
    Abstract: A fluid end for a duplex mud pump. In one implementation, the fluid end includes two liner blocks, each having a central passage. The fluid end further includes two fluid inlets disposed on a side portion and two fluid outlets disposed on a top portion and a suction manifold displaced from the two liner blocks. The suction manifold comprises four flanges. The fluid end further includes four suction valve blocks, each having a bottom portion removably coupled to one of the four flanges and a side portion removably coupled to the side portion of the liner block, and four discharge valve blocks, each having a bottom portion removably coupled to the top portion of the liner block.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: April 8, 2008
    Assignee: EC Tool and Supply Company
    Inventor: Milburn Eugene Cummins
  • Method for assembling a modular fluid end for duplex pumps
    Publication number: 20080078583
    Abstract: A fluid end for a duplex mud pump. In one implementation, the fluid end includes two liner blocks, each having a central passage. The fluid end further includes two fluid inlets disposed on a side portion and two fluid outlets disposed on a top portion and a suction manifold displaced from the two liner blocks. The suction manifold comprises four flanges. The fluid end further includes four suction valve blocks, each having a bottom portion removably coupled to one of the four flanges and a side portion removably coupled to the side portion of the liner block, and four discharge valve blocks, each having a bottom portion removably coupled to the top portion of the liner block.
    Type: Application
    Filed: November 1, 2007
    Publication date: April 3, 2008
    Inventor: Milburn Eugene Cummins
  • FLUID END FOR DUPLEX PUMPS
    Publication number: 20080080992
    Abstract: A fluid end for a duplex mud pump. In one implementation, the fluid end includes two liner blocks, each having a central passage. The fluid end further includes two fluid inlets disposed on a side portion and two fluid outlets disposed on a top portion and a suction manifold displaced from the two liner blocks. The suction manifold comprises four flanges. The fluid end further includes four suction valve blocks, each having a bottom portion removably coupled to one of the four flanges and a side portion removably coupled to the side portion of the liner block, and four discharge valve blocks, each having a bottom portion removably coupled to the top portion of the liner block.
    Type: Application
    Filed: September 28, 2006
    Publication date: April 3, 2008
    Inventor: MILBURN EUGENE CUMMINS