Patents by Inventor Ate Vunderink

Ate Vunderink 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).

  • Mass grinding and polishing of metal articles in rotofinish equipment
    Patent number: 4900409
    Abstract: Process for grinding and/or polishing metal articles in rotofinish equipment, in which (a) an adjusted quantity of said articles, which have a metal surface roughness that is higher than required for the finish, usually larger than 5 .mu.m in AA (i.e. arithmic average); are introduced to a rotofinish apparatus and rotated for some time with (b) an adequate quantity of chips suitable for grinding and/or polishing the metal articles to be treated and (c) a compound that promotes grinding and/or polishing comprising one or more organic acids, wherein the compound is an organic acid or mixture of organic acids or solutions of organic acids in a concentration suitable for grinding and/or polishing the metal articles, and in that the grinding environment also comprises a finely divided metal or alloy with an oxidation potential greater than zero.
    Type: Grant
    Filed: June 15, 1988
    Date of Patent: February 13, 1990
    Assignee: Metallgesellschaft Aktiengesellschaft
    Inventor: Ate Vunderink