Patents by Inventor Rene Hoffmann

Rene Hoffmann 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).

  • Publication number: 20060163006
    Abstract: A multi-stage elevator car has equipment for fine positioning of the cars wherein the car thresholds are positionable at the level of the floor thresholds. Adjusting equipment operating on the principle of a differential block and pulley is provided for fine positioning of the cars, the equipment including an endless cable guided over deflecting rollers arranged at the main frame of the multi-stage car and over deflecting rollers arranged at the cars, wherein the cars execute vertical movements of opposite sense.
    Type: Application
    Filed: March 15, 2005
    Publication date: July 27, 2006
    Inventors: Rene Strebel, Rene Hoffmann, Urs Schaffhauser
  • Publication number: 20050217941
    Abstract: A multi-stage elevator car has equipment for fine positioning of the cars wherein the car thresholds are positionable at the level of the floor thresholds. The fine positioning adjusting equipment operates on the principle of a double lever and moves a car frame along a path (?z).
    Type: Application
    Filed: March 16, 2005
    Publication date: October 6, 2005
    Inventors: Rene Strebel, Rene Hoffmann, Urs Schaffhauser
  • Publication number: 20050123764
    Abstract: According to the present invention, methods of marking in a substrate comprises placing one or more than one magnet adjacent to a substrate while it is being powder coated or after it is powder coated and while the coating is uncured, thereby orienting a magnetic pigment with the magnet having a desired shape to form a desired marking, followed by heating or curing to form a coating film. In another embodiment, the present invention provides marked powder coated substrates in a variety of shapes comprising one or more than one marking formed by orienting a magnetic pigment or interference pigment in a powder coating or by orienting an interference pigment in a liquid coating. In yet another embodiment, the present invention provides markable powder coating compositions comprising magnetic pigments, as well as powder coating compositions comprising interference pigments, such as color shifting pigments.
    Type: Application
    Filed: November 8, 2004
    Publication date: June 9, 2005
    Inventors: Rene Hoffmann, Michael Jackson, Nicholas Sopcich