Patents by Inventor Ernst Kocher

Ernst Kocher 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).

  • Method and apparatus for drilling watch jewels or other workpieces by means of laser beams
    Patent number: 3962558
    Abstract: In order to drill holes in watch jewels or the like a laser beam is produced having pulses in which successive spikes are formed with a substantially constant period, the first spike being greater in intensity than the subsequent spikes which can have equal or diminishing intensities.
    Type: Grant
    Filed: March 18, 1974
    Date of Patent: June 8, 1976
    Inventors: Ernst Kocher, Jurg Steffen, Gerd Bernd Herziger