Patents by Inventor Richard Mützel

Richard Mützel 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).

  • Roller bearing in a deep-drilling apparatus
    Patent number: 7008113
    Abstract: A ball-bearing unit for a bearing of a deep-drilling apparatus having bearing races made from steel with balls disposed therebetween. Contaminated drilling medium passes into the space between the bearing races. Load-bearing balls made from ceramic alternate with separating balls of smaller diameter made from steel between the bearing races to extend significantly the service life of the ball-bearing unit.
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: March 7, 2006
    Assignee: Fag Kugelfischer AG
    Inventors: Günter Herles, Dieter Göbel, Richard Mützel