Patents by Inventor Michael J. Tomany

Michael J. Tomany 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).

  • Insulated needle for forming an electrospray
    Patent number: 5223226
    Abstract: An electrically insulated needle tip is provided for forming an electrospray from a solution containing a solute sample. The insulated needle tip is positioned between an upstream electrode and a downstream counterelectrode. The solution passes through the needle, emerges from the insulated tip and is converted to an electrospray under the influence of an electric field generated between the electrode and the counterelectrode.
    Type: Grant
    Filed: April 14, 1992
    Date of Patent: June 29, 1993
    Assignee: Millipore Corporation
    Inventors: Douglas P. Wittmer, Michael J. Tomany, Joseph A. Jarell