Patents by Inventor Franz Kutschi

Franz Kutschi 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: 6484340
    Abstract: The invention relates to a mattress core made from foamed material, latex, or plastic being provided with a series of hollow spaces (2) running perpendicular to its longitudinal axis. According to the invention, it is provided that coil springs (3) are positioned in a lying fashion in the hollow spaces (2) running perpendicularly to the longitudinal axis of the foam core (1). Preferably, the coil springs (3) are produced from a tape material and a fibrous composition material and foamed in.
    Type: Grant
    Filed: March 27, 2001
    Date of Patent: November 26, 2002
    Inventor: Franz Kutschi
  • Publication number: 20010044972
    Abstract: The invention relates to a mattress core made from foamed material, latex, or plastic being provided with a series of hollow spaces (2) running perpendicular to its longitudinal axis. According to the invention, it is provided that coil springs (3) are positioned in a lying fashion in the hollow spaces (2) running perpendicularly to the longitudinal axis of the foam core (1). Preferably, the coil springs (3) are produced from a tape material and a fibrous composition material and foamed in.
    Type: Application
    Filed: March 27, 2001
    Publication date: November 29, 2001
    Inventor: Franz Kutschi
  • Patent number: 6170808
    Abstract: The invention relates to a spring core for mattresses and seat cushions with leaf springs. The spring core consists of a plurality of spring elements bent up out of passages punched in a plate, with each spring element having an upper and a lower spring clip, with the upper spring clip bent up out of a passage punched in the lower spring clip. The spring elements can also be coated with extruded foam.
    Type: Grant
    Filed: September 21, 1998
    Date of Patent: January 9, 2001
    Inventor: Franz Kutschi
  • Patent number: 5785303
    Abstract: This invention relates to a spring core of leaf springs for mattresses and seat cushions. According to the invention, the spring core comprises at least two plates opposite each other, having a multiplicity of spring elements broken out of holes. Preferably, the spring elements of the opposite plates are mirror-images.
    Type: Grant
    Filed: August 9, 1996
    Date of Patent: July 28, 1998
    Inventor: Franz Kutschi