Patents by Inventor Guillermo E. Meneses

Guillermo E. Meneses 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).

  • Dissolution sampling apparatus
    Patent number: 6422098
    Abstract: A dissolution sampling apparatus which automatically extracts aliquots which contain a dissolved drug in solution from a plurality of dissolution containing flasks and tests each aliquot for the amount of drug dissolved within the aliquot. The sampling apparatus can resupply the removed aliquot. back to its source or the aliquot can be discarded as waste with new media being resupplied to the source. A syringe is used to remove the aliquots. A mechanically operated valve could be used with each syringe or a plurality of solenoids instead of the mechanically operated valve.
    Type: Grant
    Filed: September 28, 1999
    Date of Patent: July 23, 2002
    Assignee: Hanson Research Corp.
    Inventors: Royal A. Hanson, Bruce E. Renslow, Guillermo E. Meneses, Steven W. Shaw, Robinson C. Russell
  • 6-vessel dissolution machine
    Patent number: D618817
    Type: Grant
    Filed: February 25, 2009
    Date of Patent: June 29, 2010
    Inventors: Royal A. Hanson, Steven William Shaw, Guillermo E. Meneses, Robson Lindsay Splane, Jr., William P. Debley
  • 8-vessel dissolution machine
    Patent number: D618818
    Type: Grant
    Filed: February 25, 2009
    Date of Patent: June 29, 2010
    Inventors: Royal A. Hanson, Steven William Shaw, Guillermo E. Meneses, Robson Lindsay Splane, Jr., William P. Debley
  • Dissolution test apparatus
    Patent number: D377152
    Type: Grant
    Filed: February 26, 1996
    Date of Patent: January 7, 1997
    Assignee: Hanson Research Corporation
    Inventors: Royal A. Hanson, Bruce E. Renslow, Guillermo E. Meneses, Sean M. Montgomery, Robson L. Splane, Jr.
  • Housing for a dissolution sampling apparatus
    Patent number: D424458
    Type: Grant
    Filed: June 11, 1999
    Date of Patent: May 9, 2000
    Assignee: Hanson Research Corp.
    Inventors: Royal A. Hanson, Bruce E. Renslow, Robson L. Splane, Jr., Guillermo E. Meneses