Patents by Inventor Elmar Stumpf

Elmar Stumpf 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: 20090123884
    Abstract: A burner device for operation with a fuel that is liquid at room temperature, especially a vegetable oil, including an evaporator system for evaporating the liquid fuel, and a nozzle for ejecting and for igniting the evaporated fuel under the effect of flame. The burner also includes a heat conducting sheet which at least partially surrounds the evaporator system.
    Type: Application
    Filed: July 4, 2006
    Publication date: May 14, 2009
    Applicant: BSH Bosch und Diemens Hausgerate GmbH
    Inventor: Elmar Stumpf
  • Publication number: 20090075220
    Abstract: A combustion apparatus for operation with a fuel which is liquid at room temperature, in particular with a vegetable oil, wherein the combustion apparatus includes an evaporator device for evaporating the liquid fuel and a nozzle for ejection and for flame ignition of the evaporated fuel. The evaporator device is disposed in fluid communication with a fuel tray for preheating the evaporator device for a start of operation.
    Type: Application
    Filed: July 13, 2006
    Publication date: March 19, 2009
    Applicant: BSH BOSCH UND SIEMENS HAUSGERAETE GMBH
    Inventor: Elmar Stumpf
  • Publication number: 20070099139
    Abstract: Known gas burners are operated with liquid fuel, especially vegetable oil, and comprise an evaporator which evaporates the liquid fuel. The evaporation chamber thereof (29) is limited by a limiting wall (9, 11) wherein a gas discharge channel (17) is embodied in order to produce a gas jet (G). According to the invention, in order to ensure that the gas burner operates in a reliable manner, the limiting wall of the evaporator (7) is at least double and comprises an inner wall (9) and an outer wall (11).
    Type: Application
    Filed: September 16, 2004
    Publication date: May 3, 2007
    Applicant: BSH Bosch und Siemens Hausgerate GmbH
    Inventor: Elmar Stumpf
  • Patent number: D545957
    Type: Grant
    Filed: July 31, 2006
    Date of Patent: July 3, 2007
    Assignee: BSH Bosch und Siemens Hausgeraete GmbH
    Inventor: Elmar Stumpf
  • Patent number: D565727
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: April 1, 2008
    Assignee: BSH Bosch und Siemens Hausgeraete GmbH
    Inventor: Elmar Stumpf