Patents by Inventor Richard C. Spanier

Richard C. Spanier 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).

  • Patent number: 9677995
    Abstract: A sample cell filling device for filling a sample cell to be used remotely from a polarimeter is provided. The filling device includes a liquid-sealed housing, light source and a diffuser viewing screen. The housing has a recess for receiving the sample cell, the sample cell having first and second optical windows at the respective ends. A light source transmits light from one optical window to the other optical window. A diffuser viewing screen receives light exiting from the sample cell such that light from the viewing screen can be observed by a user to determine the quality of the sample fill.
    Type: Grant
    Filed: January 13, 2015
    Date of Patent: June 13, 2017
    Assignee: RUDOLPH RESEARCH ANALYTICAL CORPORATION
    Inventors: Richard C. Spanier, Jeff Wagner
  • Publication number: 20160202176
    Abstract: A sample cell filling device for filling a sample cell to be used remotely from a polarimeter is provided. The filling device includes a liquid-sealed housing, light source and a diffuser viewing screen. The housing has a recess for receiving the sample cell, the sample cell having first and second optical windows at the respective ends. A light source transmits light from one optical window to the other optical window. A diffuser viewing screen receives light exiting from the sample cell such that light from the viewing screen can be observed by a user to determine the quality of the sample fill.
    Type: Application
    Filed: January 13, 2015
    Publication date: July 14, 2016
    Inventors: Richard C. Spanier, Jeff Wagner