Patents by Inventor Robert W. Grenkowitz

Robert W. Grenkowitz 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: 6520244
    Abstract: An apparatus for curing foundry cores 100 is provided, including a first curing agent supply 110 passing through foundry core 145 primarily through first directional plane 130 and a secondary curing agent supply 160 passing through the foundry core 145 primarily through a secondary directional plane 170.
    Type: Grant
    Filed: March 14, 2001
    Date of Patent: February 18, 2003
    Assignee: Ford Global Technologies, Inc.
    Inventors: James R. Lapeus, Michael John Braskich, Mark John Gallo, Robert W. Grenkowitz, Stephen A. Veresh
  • Publication number: 20020129915
    Abstract: An apparatus for curing foundry cores 100 is provided, including a first curing agent supply 110 passing through foundry core 145 primarily through first directional plane 130 and a secondary curing agent supply 160 passing through the foundry core 145 primarily through a secondary directional plane 170.
    Type: Application
    Filed: March 14, 2001
    Publication date: September 19, 2002
    Inventors: James R. Lapeus, Michael John Braskich, Mark John Gallo, Robert W. Grenkowitz, Stephen A. Veresh
  • Patent number: 5620044
    Abstract: A technique and accompanying apparatus to promote increased yield, improved surface finish and microstructure, and faster cycling time for precision-sand casting process. Aluminum products are cast by: (a) forming a precision sand mold, devoid of risers and/or vents, and a gating system consisting of a gravity feeding sprue and one or more runners effective to carry molten metal from the sprue only to the bottom of the mold cavity; (b) planting a flow modifier in the gating system between the sprue and mold effective to convert the flow into laminar quiescent flow; and (c) filling the gating system with molten aluminum metal at a rate faster than 4 pounds/second as permitted by the laminar flow that more rapidly fills the mold and acts as a heat sink to prevent a drop in temperature of the in-coming molten metal and thereby increase yield as well as minimizing cycle time.
    Type: Grant
    Filed: October 7, 1994
    Date of Patent: April 15, 1997
    Assignee: Ford Motor Company
    Inventors: Robert W. Grenkowitz, Michael J. Braskich, Allen D. Ackerman
  • Patent number: 5569846
    Abstract: A modular apparatus for evaluating flow processes. The apparatus has (i) a closure for a chamber, the closure defining at least one aperture and at least one seating basin facing away from the chamber; and (ii) at least two stacking elements cooperatively associated with each aperture for defining at least one fluid passage communicating with the aperture when stacked on one seating basin, the elements when stacked having mating walls meeting at a parting plane or line along the length of the passage, each element sealingly mating with each other, and one of the elements sealingly mating with the basin. The bottom stacking element snugly seats in and on the basin and defines a surface cooperating with the closure to form a cradle for a top stacking element when placed thereon.
    Type: Grant
    Filed: May 3, 1995
    Date of Patent: October 29, 1996
    Assignee: Ford Motor Company
    Inventors: Robert W. Grenkowitz, Randolph C. King
  • Patent number: 5309366
    Abstract: The present invention provides an improved method for defining complex geometries to transpose geometric surfaces accurately into tooling. The method for entering accurate position data defining geometric surfaces eliminates the entry of erroneous position data at the sharp edges and boundaries of geometric shapes, such as the intersections between geometric tooling surfaces and planar parting surfaces. The method further provides for the creation and interrelation of accurate design, manufacturing, and control data bases which are used to enhance the speed and accuracy with which tooling having geometric surfaces may be designed and produced. The method of the present invention further has a reverse engineering capability which accommodates design improvements, facilitates correction of manufacturing errors in tooling, and permits monitoring and repair of tooling wear more quickly and easily than known methods.
    Type: Grant
    Filed: August 3, 1992
    Date of Patent: May 3, 1994
    Assignee: Ford Motor Company
    Inventor: Robert W. Grenkowitz