Patents by Inventor Ephraim Secemski

Ephraim Secemski 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).

  • Laser power meter
    Patent number: 5316380
    Abstract: An isoperibol calorimeter type laser power meter including a laser beam energy absorber, apparatus for measuring the change in temperature of the absorber, electronic timing apparatus for defining a period of time over which a change in temperature of the absorber takes place and apparatus operative in response to a measured change in temperature over the period of time to provide an output indication of laser power.
    Type: Grant
    Filed: December 21, 1992
    Date of Patent: May 31, 1994
    Inventor: Ephraim Secemski