Patents by Inventor Clarence F. Sams

Clarence F. Sams 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).

  • Whole blood cell staining device
    Patent number: 6110730
    Abstract: An apparatus and method for using the apparatus for staining particular cell markers is disclosed. The apparatus includes a flexible tube that is reversibly pinched into compartments with one or more clamps. Each compartment of the tube contains a separate reagent and is in selective fluid communication with adjoining compartments.
    Type: Grant
    Filed: June 26, 1996
    Date of Patent: August 29, 2000
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Clarence F. Sams, Vaughan L. Clift, Kelly E. McDonald
  • High aspect reactor vessel and method of use
    Patent number: 5153131
    Abstract: A suspension cell culture system where a culture chamber is rotatable about a horizontal axis and has a vertical large area oxygen transmissible membrane spaced a distance about 0.25 inches less than 1.0 inches from a facing vertical wall surface for effective transmission of oxygen to cells in suspension in the culture chamber. The facing vertical wall surface can be a dialysis membrane for exchange of fresh nutrient from a dialysis chamber with cell waste product in the culture chamber.
    Type: Grant
    Filed: December 11, 1990
    Date of Patent: October 6, 1992
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: David A. Wolf, Clarence F. Sams, Ray P. Schwarz