Patents by Inventor Lutz Riefenstein

Lutz Riefenstein 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).

  • Method of automatic cleaning of cooking cavities
    Publication number: 20030172962
    Abstract: A method of automatic cleaning of cooking cavities of cooking equipment for food processing includes the introduction of steam at a temperature of at least 100.deg.C. from a supply line and nozzle into a cooking cavity for a time period depending on the degree of disinfection desired. The cooking cavity is rinsed with the steam condensate; and the supply line and nozzle are flushed with demineralized water.
    Type: Application
    Filed: February 19, 2003
    Publication date: September 18, 2003
    Applicant: Convotherm Elektrogerate GmbH, Angelo Po Grandi Cucine S.p.A.
    Inventors: Lutz Riefenstein, Dario Manicardi
  • Suspension or rack frame for apparatus for the heat treatment of substances, especially foodstuffs
    Publication number: 20030116032
    Abstract: A suspension frame for supporting trays includes support rails formed by legs which have cutouts and vertical sections having apertures in order to make it possible to wet the suspension frame with cleaning liquid as far as possible on all sides.
    Type: Application
    Filed: December 20, 2002
    Publication date: June 26, 2003
    Applicant: Convotherm Elektrogerate GmbH
    Inventors: Herbert Fischhaber, Lutz Riefenstein, Dario Manicardi, Giovanni Allesina