Patents by Inventor Hans-J urgen Watzlaw

Hans-J urgen Watzlaw 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: 5571425
    Abstract: A method for making a single cone disk, preferably a dressing wheel, comprising a metal base member having a main surface and head area coated by hard material grains so as to form a hard material grain layer fixed to said base member by metal bonding, in which method a pocket is formed in the back side of the head area of said base members while said metal bonded hard material grain layer is retained thereat, and thereafter the pocket is filled by hard material grains.
    Type: Grant
    Filed: November 3, 1995
    Date of Patent: November 5, 1996
    Assignee: Ernst Winter & Sohn Diamantwerkzeuge GmbH & Co.
    Inventor: Hans-J urgen Watzlaw