Patents by Inventor Wayne R. Hengstenberg

Wayne R. Hengstenberg 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).

  • Erythrocyte sedimentation rate control
    Patent number: 6331435
    Abstract: A three-phase suspension suitable for use as an erythrocyte sedimentation rate control having the following three components: (1) a synthetic plasma base, (2) a high molecular weight polymer, and (3) mammalian red blood cells. The control is designed to allow the user to monitor the accuracy and precision of analytical methods for determining the sedimentation rate of human erythrocytes in whole blood specimens.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: December 18, 2001
    Assignees: Streak Laboratories, Inc., Hematronix Inc.
    Inventor: Wayne R. Hengstenberg
  • Erythrocyte sedimentation rate control
    Patent number: 6051433
    Abstract: A three-phase suspension suitable for use as an erythrocyte sedimentation rate control having the following three components: (1) a synthetic plasma base, (2) a high molecular weight polymer, and (3) mammalian red blood cells. The control is designed to allow the user to monitor the accuracy and precision of analytical methods for determining the sedimentation rate of human erythrocytes in whole blood specimens.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: April 18, 2000
    Assignees: Streck Laboratories, Inc., Hematronix, Inc.
    Inventor: Wayne R. Hengstenberg
  • Erythrocyte sedimentation rate control
    Patent number: 5888822
    Abstract: A three-phase suspension suitable for use as an erythrocyte sedimentation rate control having the following three components: (1) a synthetic plasma base, (2) a high molecular weight polymer, and (3) mammalian red blood cells. The control is designed to allow the user to monitor the accuracy and precision of analytical methods for determining the sedimentation rate of human erythrocytes in whole blood specimens.
    Type: Grant
    Filed: October 4, 1995
    Date of Patent: March 30, 1999
    Assignee: Hycor Biomedical Inc.
    Inventor: Wayne R. Hengstenberg
  • Erythrocyte sedimentation rate control
    Patent number: 5863799
    Abstract: A three-phase solution suitable for use as an erythrocyte sedimentation rate control having the following three components: (1) a synthetic plasma base, (2) a high molecular weight polymer, and (3) mammalian red blood cells. The control is designed to allow the user to monitor the accuracy and precision of analytical methods for determining the sedimentation rate of human erythrocytes in whole blood specimens.
    Type: Grant
    Filed: September 5, 1997
    Date of Patent: January 26, 1999
    Assignee: Hycor Biomedical, Inc.
    Inventor: Wayne R. Hengstenberg