Patents by Inventor George Csanak

George Csanak 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).

  • Narrow-band optical absorption filter
    Patent number: 4884855
    Abstract: A narrow-band filter for absorbing radiation at a wavelength in the range of 9.2 to 10.8 microns and for transmitting radiation in a surrounding 8 to 12 micron band having a high transmission ratio. The filter is comprised of a pure or mixed alkali-halide crystal having optical incidence and transmission surfaces and thiocyanate or borofluoride as an impurity.
    Type: Grant
    Filed: July 12, 1983
    Date of Patent: December 5, 1989
    Assignee: Barnes Engineering Company
    Inventors: James E. Moore, B. Michael Kale, George Csanak, Fritz Luty
  • Narrow-band optical absorption filter
    Patent number: 4859028
    Abstract: A selected impurity in a crystal is provided as a narrow-band absorption filter for optical radiation. The crystal lattice constant may be adjusted, for example, by forming a mixed crystal, to adjust the absorption frequency.
    Type: Grant
    Filed: April 9, 1981
    Date of Patent: August 22, 1989
    Assignee: Barnes Engineering Company
    Inventors: James Moore, Michael Kale, George Csanak
  • Silver halide glasses
    Patent number: 4388413
    Abstract: A silver halide glass is formed from silver iodide, silver fluoride and aluminum fluoride.
    Type: Grant
    Filed: October 21, 1981
    Date of Patent: June 14, 1983
    Inventors: Robert H. Doremus, George Csanak, B. Michael Kale, James E. Moore