Patents by Inventor David M. Weber

David M. Weber 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: 5761424
    Abstract: A method and associated apparatus for automating the filtration and generation of information in a packetized communication system. A filtration table includes entries used in recognizing a valid packet received at a node in a communication system. A mask field in each entry is applied to appropriate fields in the packet (e.g. the ordered set as applied to Fibre Channel communication systems) to determine the validity of the packet with regard to the receiving node. Rules in a field of each entry further qualify the recognition of a received packet (e.g. ordered set) by testing the reception of the packet against other logical rules. Action fields in each record permit definition of actions to be invoked automatically (e.g. automatic adjustment of fill transmissions in Fibre Channel applications) in response to receipt and recognition of a particular packet. The set of packets recognized by the receiving node may be modified by adding, deleting, or modifying the entries in the filtration table.
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: June 2, 1998
    Assignee: Symbios, Inc.
    Inventors: John M. Adams, Timothy E. Hoglund, Stephen M. Johnson, Mark A. Reber, David M. Weber
  • Patent number: 5661023
    Abstract: This invention is directed to a continuous process for producing viral particles by providing in a perfused growth medium a population of viable virally infected non-lytic cells, and removing medium containing said cells at a rate to maintain the steady-state log-phase growth of cells remaining in the perfused growth medium. The invention is also directed to a process for purifying retroviral particles by passing a solution comprising the retroviral particles and contaminants through an anion exchange resin, and eluting the retroviral particles from the resin. The preferred exchange resin is a tentacle anion exchange resin.
    Type: Grant
    Filed: March 11, 1996
    Date of Patent: August 26, 1997
    Assignee: The Immune Response Corporation
    Inventors: Michael E. Hrinda, Christopher P. Prior, Jonathan J. Mitschelen, Thomas W. Irish, David M. Weber, Richard S. Gore, James J. Harter, Pierre M. Bay, George C. Tarr
  • Patent number: 5285158
    Abstract: An angiogram is produced using NMR fast pulse sequences in which the views are acquired in shots preceded by a preparatory pulse sequence. Each shot is acquired twice with differing preparatory pulse sequences and the resulting NMR data is subtracted to null the stationary tissues in the reconstructed image.
    Type: Grant
    Filed: August 6, 1992
    Date of Patent: February 8, 1994
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Charles A. Mistretta, Frank R. Korosec, David M. Weber, Thomas M. Grist
  • Patent number: 5204627
    Abstract: A magnetic resonance angiogram is produced by projecting a 3D array of motion sensitized NMR data. A mask which locates the vessels in the 3D array is produced by thresholding the NMR data, and this mask is combined with the 3D NMR data set to exclude signals produced by surrounding stationary tissues. An integration projection technique is used to produce the angiogram from the masked data set.
    Type: Grant
    Filed: March 14, 1991
    Date of Patent: April 20, 1993
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Charles A. Mistretta, Frank R. Korosec, David M. Weber
  • Patent number: D325223
    Type: Grant
    Filed: August 29, 1990
    Date of Patent: April 7, 1992
    Assignee: Weber Enterprises, Inc.
    Inventors: David M. Weber, Lawrence D. Weber