Patents by Inventor Edward L. Cleland

Edward L. Cleland 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).

  • Gas diffusion liquid storage bag and method of use for storing blood
    Patent number: 4132594
    Abstract: It has been found that the shelf life of stored whole blood may be doubled by adding a buffer which maintains a desired pH level. However, this buffer causes the generation of CO.sub.2 which, if not removed at a controlled rate, causes the pH value of the blood to decrease, which shortens the useful life of the blood. This invention provides a blood storage bag which permits the CO.sub.2 to be diffused out at a controlled rate into the atmosphere, thereby maintaining the desired pH value while providing a bag strong enough to permit handling thereof.
    Type: Grant
    Filed: June 28, 1976
    Date of Patent: January 2, 1979
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Herman Bank, Edward L. Cleland
  • Aseptic fluid transfer system
    Patent number: 4022256
    Abstract: A method and means is provided, which permits the transfer of fluids between separate detached containers, in a manner which preserves the sterility of the fluids during and after their transfer.
    Type: Grant
    Filed: September 25, 1975
    Date of Patent: May 10, 1977
    Assignee: California Institute of Technology
    Inventors: Richard M. Berkman, James C. Arnett, Edward L. Cleland