Patents by Inventor Harold M. Koenigsberg

Harold M. Koenigsberg 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).

  • Collimated light optrode
    Patent number: 4989942
    Abstract: Light generated by an illumination source (26) travels through a fiber optic cable (40) to optrode (14) which is immersed in the process fluid (16) to be analyzed. The optrode collimates the light beam before it crosses the sampling gap (68) where the beam transects the process fluid to be analyzed. As it crosses the sampling gap 68, the light beam is absorbed in a specific wavelength band by the chemical species in solution. The collimated beam is then picked up by an opposing collimated lens in the optrode and transmitted to the protected analytical module (20) by a second optical fiber (42).
    Type: Grant
    Filed: September 27, 1989
    Date of Patent: February 5, 1991
    Assignee: Hughes Aircraft Company
    Inventors: Harold M. Koenigsberg, Dan J. O'Neal