Patents by Inventor Rene Hasenfratz

Rene Hasenfratz 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).

  • Container apparatus for food
    Patent number: 5597500
    Abstract: An apparatus for food includes a receptacle supported a frame with the receptacle being heated by a resistance heater from a supply of energy over an electric line, the receptacle and frame include means pivotally securing the same for each other, the pivotal securing means including at least one supporting pin having a side opening groove for laterally receiving and hooking the electric line therein thereby guiding the electric line through the supporting pin.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: January 28, 1997
    Assignee: Spring AG Metallwarenfabrik Eschlikon
    Inventors: Rene Hasenfratz, Siegfried Mutschler
  • Burner device, especially for a brazier or the like
    Patent number: 4188938
    Abstract: A burner device, especially for a so-called brazier or the like, comprising a housing, an upper portion provided for the housing and equipped with at least one flame opening and separate air infeed openings. A regulation element, particularly in the form of a regulation slide serves for the regulation of the air infeed and a cover forming a flame extinguishing device is provided for the flame opening. According to the invention, the regulation slide and the cover for the flame opening are constituted by a common element.
    Type: Grant
    Filed: February 22, 1978
    Date of Patent: February 19, 1980
    Assignee: Gebr. Spring, Metallwarenfabrik G.m.b.H.
    Inventor: Rene Hasenfratz