Patents by Inventor Gottlieb Polzer

Gottlieb Polzer 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).

  • Device for treating internal surfaces of cylindrical articles
    Patent number: 4848266
    Abstract: A device for treating internal surfaces of cylindrical objects by rubbing includes a plurality of rubbing pins each provided with two pin clamping devices one of which is displaceable relative to the other so that each pin can be adjusted relative to a workpiece.
    Type: Grant
    Filed: August 28, 1987
    Date of Patent: July 18, 1989
    Assignee: Veb Kombinat Polygraph "Werner Lamberz" Leipzig
    Inventors: Eberhard Neubert, Hans-Michael Wardenga, Gottlieb Polzer, Juergen Lange, Klaus Schrader, Frank Junker, Norbert Dittmann, Ullrich Spevacek, Hans-Juergen Tappert
  • Device for coating metallic internal surfaces
    Patent number: 4836130
    Abstract: A device for coating metallic internal surfaces of cylindrical objects, particularly cylindrical sliding sleeves, by rubbing materials onto said surfaces includes one or a plurality of rubbing heads each including rubbing pins positioned in said rubbing head at an angle relative to each other. Each rubbing head is displaceable along an axis thereof. A rotationally-fixed housing carries a rotatable bevel gear. The rubbing head is rotational and provided with pinions meshed with said bevel gear.
    Type: Grant
    Filed: August 28, 1987
    Date of Patent: June 6, 1989
    Inventors: Eberhard Neubert, Hans-Michael Wardenga, Gottlieb Polzer, Juergen Lange, Klaus Schrader, Frank Junker, Norbert Dittmann, Ullrich Spevacek, Hans-Juergen Tappert