Patents by Inventor Andris Suna

Andris Suna 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).

  • METHOD AND APPARATUS TO INCREASE THROUGHPUT OF LIQUID CHROMATOGRAPHY-MASS SPECTROMETRY
    Publication number: 20090250607
    Abstract: An apparatus according to the present invention includes a plurality of sample spraying devices, each of which connects to an LC column. The apparatus includes an electrical circuit that can turn a high voltage between 1 and 5 KV on and off on the time-scale of nanoseconds to milliseconds. The circuit is controlled by a computer program which applies the high voltage to each spray device in a Hadamard sequence. The spray devices are positioned aiming at the mass spectrometer inlet. The preferred configuration of arrangements for the spray devices are in a circle or an arc of a circle around the inlet of a mass spectrometer.
    Type: Application
    Filed: February 17, 2009
    Publication date: October 8, 2009
    Applicant: Phoenix S&T, Inc.
    Inventors: Sau Lan Tang Staats, Andris Suna
  • Hybrid magnetically supported carriage transporter
    Patent number: 6601519
    Abstract: A carriage transporting apparatus is capable of transporting one or more carriages along a track, substantially free of mechanical friction or magnetic drag, by magnetically supporting the carriages in a first direction and by stabilizing the position of the carriages in a second direction by passive means.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: August 5, 2003
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: William Bindloss, Jr., Andris Suna, Albert White Forrest, Jr.