Patents by Inventor Edgar Fritsch

Edgar Fritsch 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: 4803919
    Abstract: A cooking apparatus including a cooking vat and a hinged lid responsive to a control mechanism and provided with devices for vacuumizing and pressurizing the vat, respectively. The hinged lid includes a single opening lined with a tubular sleeve communicating at its lower end with the vat and, at its upper end, with a device for selectively communicating the vacuumizing or pressurizing device with the vat. The vacuumizing and pressurizing devices include a fixed member secured to the top surface of the lid which cooperates with a movable member for selectively connecting the vat to the vacuumizing device or the pressurizing device, as a function of cooking requirements. The pressurizing device is further provided with a safety valve.
    Type: Grant
    Filed: June 4, 1987
    Date of Patent: February 14, 1989
    Assignee: Robert Fritsch S.A.
    Inventors: Edgar Fritsch, Norbert Fritsch
  • Patent number: 4724825
    Abstract: This combined cooking machine or range, notably for professional use in communities or the like comprises a container in the form of a tilting-vat hingedly mounted in a frame structure, for use as a saucepan, a frying-pan or a deep-fryer, as required by the particular kind of food to be prepared, this container overlying means for indirectly heating the contents, notably by forced-circulation hot-air produced in a lagged heating chamber encompassing a blade turbine, cooperating baffle means being provided on the bottom of the vat and in the upper portion of the heating chamber for concentrating the heat towards the bottom.
    Type: Grant
    Filed: June 23, 1986
    Date of Patent: February 16, 1988
    Assignee: R. Fritsch S.A.
    Inventors: Edgar Fritsch, Norbert Fritsch