Patents by Inventor Nicholas A. Safford

Nicholas A. Safford 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).

  • Methods of analysis/separation
    Patent number: 6310309
    Abstract: Particles are separated according to their dielectrophoretic characteristics and electrorotation characteristics by the use of a travelling wave separation in which they flow from a departure point at an inlet (18) towards at least two destinations at outlets (16, 20) and are deflected toward one or other outlet according to their characteristics by a travelling wave field set up on an array of electrodes, each electrode running generally in the direction of flow.
    Type: Grant
    Filed: March 12, 1999
    Date of Patent: October 30, 2001
    Assignee: Scientific Generics Limited
    Inventors: Colin D. Ager, Andrew N. Dames, Duncan R. Purvis, Nicholas A. Safford
  • Travelling wave particle separation apparatus
    Patent number: 6059950
    Abstract: Travelling wave particle separation apparatus is provided having a flat spiral of electrodes (1,2,3,4) or a helix of similar electrodes on a cylindrical former. Only four electrical connections need to be made.
    Type: Grant
    Filed: October 3, 1997
    Date of Patent: May 9, 2000
    Assignee: Scientific Generics Limited
    Inventors: Andrew N. Dames, Nicholas A. Safford