Patents by Inventor Warren J. Haws

Warren J. Haws 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).

  • Beryllium-containing alloys of aluminum and semi-solid processing of such alloys
    Patent number: 5716467
    Abstract: Disclosed is a practical aluminum based alloy containing 1 to 99 weight percent beryllium, and improved methods of semi-solid processing of aluminum alloys containing beryllium. The present methods avoid molten beryllium, agitation of molten aluminum-beryllium alloys and the need for introducing shear forces by utilizing atomized or ground particles of beryllium mixed with solid, particulate or liquidus aluminum.
    Type: Grant
    Filed: October 25, 1994
    Date of Patent: February 10, 1998
    Assignee: Brush Wellman Inc.
    Inventors: James M. Marder, Warren J. Haws
  • Semi-solid processing of beryllium-containing alloys of magnesium
    Patent number: 5679182
    Abstract: Disclosed is a practical magnesium based alloy containing 1 to 99 weight % beryllium and an improved method of semi-solid processing of magnesium alloys containing beryllium. The present method avoids agitation of molten alloys and the need for introducing shear forces by utilizing atomized or ground particles of beryllium mixed with solid, particulate or liquidus magnesium.
    Type: Grant
    Filed: September 28, 1994
    Date of Patent: October 21, 1997
    Assignee: Brush Wellman Inc.
    Inventors: James M. Marder, Warren J. Haws
  • Beryllium-containing alloys of aluminum and semi-solid processing of such alloys
    Patent number: 5551997
    Abstract: Disclosed is a practical aluminum based alloy containing 1 to 99 weight percent beryllium, and improved methods of semi-solid processing of aluminum alloys containing beryllium. The present methods avoid molten beryllium, agitation of molten aluminum-beryllium alloys and the need for introducing shear forces by utilizing atomized or ground particles of beryllium mixed with solid, particulate or liquidus aluminum.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: September 3, 1996
    Assignee: Brush Wellman, Inc.
    Inventors: James M. Marder, Warren J. Haws
  • Magnesium-beryllium disk drive armset
    Patent number: 5475549
    Abstract: An actuator armset for a computer disk drive, in accordance with one aspect of the present invention, is comprised of a magnesium alloy containing beryllium. The armset has a bore for rotating about a spindle of the disk drive to position a transducer radially across a disk of the disk drive. In accordance with another aspect of the invention is an actuator armset of a disk drive system for movably positioning and supporting a transducer over a disk of the disk drive. The armset has a bore for pivoting about a spindle and comprises a magnesium alloy containing beryllium. A bearing assembly is interposed between the armset and the spindle, a flexible suspension being mounted at one end of the armset. Mounted to an opposing end of the suspension is a transducer. A voice coil is, in turn, mounted to a set of armset brackets such that the voice coil and the brackets are opposite the suspension and transducer.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: December 12, 1995
    Assignee: Brush Wellman Inc.
    Inventors: James M. Marder, Warren J. Haws
  • Beryllium-containing alloys of magnesium
    Patent number: 5413644
    Abstract: Disclosed is a practical magnesium based alloy containing 1 to 99 weight % beryllium and an improved method of semi-solid processing of magnesium alloys containing beryllium. The present method avoids agitation of molten alloys and the need for introducing shear forces by utilizing atomized or ground particles of beryllium mixed with solid, particulate or liquidus magnesium.
    Type: Grant
    Filed: January 21, 1994
    Date of Patent: May 9, 1995
    Assignee: Brush Wellman Inc.
    Inventors: James M. Marder, Warren J. Haws
  • Metal mass adapted for internal oxidation to generate dispersion strengthening
    Patent number: 4315777
    Abstract: This invention relates to dispersion strengthening of metals. A coherent mass comprising an intimate blend of alloy powder and oxidant is formed prior to dispersion strengthening. Said coherent mass is easily formed because the alloy powder is not yet strengthened, and undergoes internal oxidation rapidly because of the intimate blend of alloy powder and oxidant.
    Type: Grant
    Filed: August 7, 1979
    Date of Patent: February 16, 1982
    Assignee: SCM Corporation
    Inventors: Anil V. Nadkarni, Warren J. Haws, Charles I. Whitman