Patents by Inventor Lorrin Redden

Lorrin Redden 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).

  • Optical shutter assembly for trace element detector
    Patent number: 5953119
    Abstract: A shutter assembly for a trace element detector includes a shutter wheel having at least one window, and a drive mechanism coupled to the shutter wheel, wherein the drive mechanism rotates the shutter wheel to move the window between at least an outlet port of the shutter assembly and a cleaning station of the shutter assembly. The cleaning station includes at least one cleaning jet positioned to apply a cleaning solution to the window when the window is located at the cleaning station. In the preferred embodiment, the shutter assembly further includes a drying station, and the drive mechanism rotates the shutter wheel to move the window to the drying station after the window has passed the cleaning station. The drying station includes at least one gas jet positioned to apply a gas stream to the window when the window is located at the drying station.
    Type: Grant
    Filed: April 13, 1998
    Date of Patent: September 14, 1999
    Assignee: APTI Inc.
    Inventors: Arie Zigler, Jim Galambos, Lorrin Redden, Michael Nelson