Patents by Inventor William L. Stevenson

William L. Stevenson 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: 7283384
    Abstract: An MRAM device is provided which includes an array of magnetic elements, a plurality of conductive lines configured to set magnetization states of the magnetic elements and circuitry configured to vary current applications along one or more of the conductive lines. In some cases, the MRAM device may additionally or alternatively include circuitry which is configured to terminate an application of current along one or more of the conductive lines before magnetization states of one or more magnetic elements selected for a write operation of the device are changed. In either case, a device is provided which includes an MRAM array and a first storage circuit comprising one or more magnetic elements, wherein the first storage circuit is configured to store parameter settings characterizing operations of the magnetic random access memory array within the magnetic elements. Methods for operating the devices provided herein are contemplated as well.
    Type: Grant
    Filed: March 24, 2004
    Date of Patent: October 16, 2007
    Assignee: Silicon Magnetic Systems
    Inventors: Fredrick B. Jenne, Eugene Y. Chen, Thomas M. Mnich, William L. Stevenson
  • Patent number: 5727689
    Abstract: A device for conditioning particulate matter such as particalized soybean meats and hulls. The device includes a chamber. The chamber includes a lower increased velocity stage in which gas movement is accelerated because of constriction resulting from the interposition of a plurality of staves. The lower increased velocity stage is disposed beneath a normal velocity stage which is coextensive with a discontinuity in a side wall of the chamber through which particulate matter is introduced. Gas flow is introduced into the chamber proximate the bottom end thereof and is directed upwardly in a direction opposite that in which particulate matter passes downwardly under the influence of gravity. The velocity of the gas through the normal velocity stage is regulated so that heavier particulate materials will pass downwardly and lighter materials will pass upwardly.
    Type: Grant
    Filed: April 26, 1996
    Date of Patent: March 17, 1998
    Assignee: Crown Iron Works Company
    Inventors: George E. Anderson, William L. Kratochwill, Darcy Moses, William L. Stevenson, Joe C. Givens
  • Patent number: 5131172
    Abstract: A granular material treating device. Included are a housing having an input end and an output end and a porous conveyor belt disposed within the housing so that a generally horizontally-disposed run of the belt extends between the input and the output ends of the housing. The belt is configured to be driven to convey granular material, positioned to a desired depth on the belt, from the input end to the output end of the housing. The device also includes a nozzle disposed beneath the run of the belt extending from the input end to the output end of the housing. The nozzle is oriented to blow a gas, at a pressure greater than ambient gas in the housing, upwardly through the belt run. A spout within the granular material is, thereby, created to effect stirring. Finally, the device includes a stave which extends downwardly into the granular material as it is conveyed along the belt.
    Type: Grant
    Filed: July 18, 1990
    Date of Patent: July 21, 1992
    Assignee: Crown Iron Works Company
    Inventors: William L. Stevenson, George E. Anderson
  • Patent number: 4869910
    Abstract: A method of conditioning an oil seed for removal of the hull therefrom for subsequent processing of the meat portion of the oil seed. The method includes a step of passing the oil seed, under the influence of gravity, downwardly through a plenum (26) of an oil seed conditioner (18). A gas is introduced into the conditioner (18), proximate a lower end thereof, through an inlet (32). The gas passes upwardly in a counter-current relationship to the downwardly passing oil seed. A plurality of staves (24) are disposed within the plenum (26) and extend thereacross. Consequently, as the oil seed passes downwardly through the plenum (26) it engages and bounces off the staves (24). Downward movement of the oil seed is retarded by the upward flow of the gas and the staves (24). The impacting of the oil seed against the staves (24) effects loosening of the hulls, and the extended period of time the oil seed is maintained within the plenum (26) facilitates crisping of those hulls.
    Type: Grant
    Filed: April 22, 1988
    Date of Patent: September 26, 1989
    Assignee: Crown Iron Works Company
    Inventors: Joe C. Givens, William L. Stevenson, Darcy Moses, William L. Kratochwill, George E. Anderson
  • Patent number: 4865633
    Abstract: A baffle (34) configurable in a cyclone separator (10) in order to improve the flow capacity, efficiency, and effectiveness of the separator (10). The baffle (34) is disposed for vertical insertion through an upper wall (18) of the separation chamber (12) of the separator (10) to effect variable occlusion of an annular space (38) defined between a cylindrical wall (14) of the separation chamber (12) and a vortex finder (26) positioned generally centrally within the separation chamber (12). The baffle (34) functions to decrease pressure drop between an inlet (16) to the separator (10) and an outlet (32) from the separator (10).
    Type: Grant
    Filed: May 12, 1988
    Date of Patent: September 12, 1989
    Assignee: Crown Iron Works Company
    Inventor: William L. Stevenson