Patents by Inventor Bernd Dannenhauer

Bernd Dannenhauer 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: 7409904
    Abstract: A baking oven comprises a feeding portion having a feeding aperture for introducing dough pieces, a baking chamber and a discharge portion having a discharge aperture for removing dough pieces. In addition, a circulating air unit is provided which comprises a circulating air source generating a circulating air flow, a circulating air heating means and a circulating air guiding channel a part of which is formed by the baking chamber. A plurality of receptacles for dough pieces are mounted in the baking chamber to be freely rotatable or pivotable around a horizontal rotation or pivot axis. The rotation or pivot axes of the receptacles are located higher than the centre of gravity of the receptacles even if the receptacles are filled with dough pieces. As a result, a baking oven is provided in which the dough pieces can be distributed as evenly as possible and moved along during the baking process.
    Type: Grant
    Filed: June 24, 2004
    Date of Patent: August 12, 2008
    Assignee: Werner & Pfleiderer Lebensmitteltechnik
    Inventors: Frank Blümel, Bernd Dannenhauer, Dieter Knost, Rudolf Fiedler, Thomas Schmidt
  • Patent number: 7285759
    Abstract: A baking oven is provided with a baking oven housing with a baking chamber. The latter is divided into at least two baking zones each of them being provided with at least one own baking oven supply inlet for the feeding of dough pieces. At least one delivery outlet is used for the delivery of the dough pieces. A first one of the at least two baking zones is configured so that a plurality of dough pieces available and conveyed on the supply side as bulk material is being baked there. A second one of the at least two baking zones is configured so that a plurality of dough pieces which are available and conveyed as individual pieces are being baked there. More-over, baking oven is provided with a circulating air source and a means of conveyance for conveying the dough pieces from the supply inlet through the baking chamber to the delivery outlet. A baking system with such a baking oven is furthermore provided with an upstream means of conveyance for conveying dough pieces to the baking oven.
    Type: Grant
    Filed: April 27, 2005
    Date of Patent: October 23, 2007
    Assignee: Werner & Pfleiderer Lebensmitteltechnick GmbH
    Inventors: Dieter Knost, Bernd Dannenhauer
  • Patent number: 7246554
    Abstract: A charging arrangement for a baking oven (8) is provided with a supply arrangement (9) for dough pieces (4) and a lifting and delivery device (34) for the dough pieces (4). The supply arrangement (9) is provided with a charging inlet, at least one supply bin (10, 23) and a supply outlet arranged underneath the charging inlet. A delivery inlet portion (37) of the lifting and delivery device (34) that is located at the bottom is in delivery engagement with the outlet of the supply arrangement under the influence of gravity. A baking system (1) with such a charging arrangement (9) can be easily operated and does not require the continuous presence of an operator. Furthermore, it can have an optically attractive design.
    Type: Grant
    Filed: June 10, 2004
    Date of Patent: July 24, 2007
    Assignee: Werner & Pfleiderer Lebensmitteltechnik GmbH
    Inventors: Bernd Dannenhauer, Frank Blümel, Thomas Schmidt
  • Patent number: 7156293
    Abstract: A device for the production and the sale of dough pieces comprises at least a first supply bin for keeping a pre-determined first quantity of the raw dough pieces. A first recording unit serves the recording of a customer request. A display device serves the display of a price for the recorded customer request. A payment transaction is recorded by means of a second recording unit. A baking device serves the baking of raw dough pieces pursuant to the customer's request to ready-baked dough pieces. The ready-baked dough pieces are made available in at least one supply bin that is accessible to the customer. Two delivery units serve the delivery of the raw dough pieces and/or of the ready-baked dough pieces from the first supply bin to the baking device and/or from baking device to the second supply bin. Depending upon the data recorded by the recording units, a control unit controls the delivery units and the baking device.
    Type: Grant
    Filed: September 17, 2004
    Date of Patent: January 2, 2007
    Assignee: Werner & Pfleiderer Lebensmitteltechnik GmbH
    Inventors: Dieter Knost, Thomas Schmidt, Alexander Meier, Christian Habermann, Bernd Dannenhauer, Frank Blümel
  • Patent number: 6997105
    Abstract: A separation device for dough pieces (2) is provided with an inlet portion for delivering a plurality of dough pieces (2), a separation unit (26) for separating the dough pieces (2) delivered and an outlet portion (27) for individually discharging the dough pieces (2) separated from one another. The separation unit (26) comprises a container (28) having a container bottom (31) which is divided into a round inner portion (33) to which the dough pieces (2) are delivered and an outer portion (34), extending at least partially around the inner portion (33). The outer portion (34) can be caused to rotate relative to the inner portion (33) around an axis of rotation extending perpendicular to the container bottom plane and is arranged in conveying connection with the outlet portion (27). Such a separation device reliably separates a plurality of dough pieces.
    Type: Grant
    Filed: June 10, 2004
    Date of Patent: February 14, 2006
    Assignee: Werner & Pfleiderer Lebensmitteltechnik GmbH
    Inventors: Bernd Dannenhauer, Frank Blümel, Thomas Schmidt
  • Publication number: 20050235836
    Abstract: A baking oven is provided with a baking oven housing with a baking chamber. The latter is divided into at least two baking zones each of them being provided with at least one own baking oven supply inlet for the feeding of dough pieces. At least one delivery outlet is used for the delivery of the dough pieces. A first one of the at least two baking zones is configured so that a plurality of dough pieces available and conveyed on the supply side as bulk material is being baked there. A second one of the at least two baking zones is configured so that a plurality of dough pieces which are available and conveyed as individual pieces are being baked there. More-over, baking oven is provided with a circulating air source and a means of conveyance for conveying the dough pieces from the supply inlet through the baking chamber to the delivery outlet. A baking system with such a baking oven is furthermore provided with an upstream means of conveyance for conveying dough pieces to the baking oven.
    Type: Application
    Filed: April 27, 2005
    Publication date: October 27, 2005
    Applicant: Werner & Pfleiderer Lebensmitteltechnik GmbH
    Inventors: Dieter Knost, Bernd Dannenhauer
  • Publication number: 20050183586
    Abstract: A baking oven comprises a feeding portion having a feeding aperture for introducing dough pieces, a baking chamber and a discharge portion having a discharge aperture for removing dough pieces. In addition, a circulating air unit is provided which comprises a circulating air source generating a circulating air flow, a circulating air heating means and a circulating air guiding channel a part of which is formed by the baking chamber. A plurality of receptacles for dough pieces are mounted in the baking chamber to be freely rotatable or pivotable around a horizontal rotation or pivot axis. The rotation or pivot axes of the receptacles are located higher than the centre of gravity of the receptacles even if the receptacles are filled with dough pieces. As a result, a baking oven is provided in which the dough pieces can be distributed as evenly as possible and moved along during the baking process.
    Type: Application
    Filed: June 24, 2004
    Publication date: August 25, 2005
    Applicant: Werner & Pfleiderer Lebensmitteltechnik GmbH
    Inventors: Frank Blumel, Bernd Dannenhauer, Dieter Knost, Rudolf Fiedler, Thomas Schmidt
  • Publication number: 20050061869
    Abstract: A device for the production and the sale of dough pieces comprises at least a first supply bin for keeping a pre-determined first quantity of the raw dough pieces. A first recording unit serves the recording of a customer request. A display device serves the display of a price for the recorded customer request. A payment transaction is recorded by means of a second recording unit. A baking device serves the baking of raw dough pieces pursuant to the customer's request to ready-baked dough pieces. The ready-baked dough pieces are made available in at least one supply bin that is accessible to the customer. Two delivery units serve the delivery of the raw dough pieces and/or of the ready-baked dough pieces from the first supply bin to the baking device and/or from baking device to the second supply bin. Depending upon the data recorded by the recording units, a control unit controls the delivery units and the baking device.
    Type: Application
    Filed: September 17, 2004
    Publication date: March 24, 2005
    Applicant: Werner & Pfleiderer Lebensmitteltechnik GmbH
    Inventors: Dieter Knost, Thomas Schmidt, Alexander Meier, Christian Habermann, Bernd Dannenhauer, Frank Blumel
  • Publication number: 20050022803
    Abstract: A charging arrangement for a baking oven (8) is provided with a supply arrangement (9) for dough pieces (4) and a lifting and delivery device (34) for the dough pieces (4). The supply arrangement (9) is provided with a charging inlet, at least one supply bin (10, 23) and a supply outlet arranged underneath the charging inlet. A delivery inlet portion (37) of the lifting and delivery device (34) that is located at the bottom is in delivery engagement with the outlet of the supply arrangement under the influence of gravity. A baking system (1) with such a charging arrangement (9) can be easily operated and does not require the continuous presence of an operator. Furthermore, it can have an optically attractive design.
    Type: Application
    Filed: June 10, 2004
    Publication date: February 3, 2005
    Applicant: Werner & Pfleiderer Lebensmitteltechnik GmbH
    Inventors: Bernd Dannenhauer, Frank Blumel, Thomas Schmidt
  • Publication number: 20050022677
    Abstract: A separation device for dough pieces (2) is provided with an inlet portion for delivering a plurality of dough pieces (2), a separation unit (26) for separating the dough pieces (2) delivered and an outlet portion (27) for individually discharging the dough pieces (2) separated from one another. The separation unit (26) comprises a container (28) having a container bottom (31) which is divided into a round inner portion (33) to which the dough pieces (2) are delivered and an outer portion (34), extending at least partially around the inner portion (33). The outer portion (34) can be caused to rotate relative to the inner portion (33) around an axis of rotation extending perpendicular to the container bottom plane and is arranged in conveying connection with the outlet portion (27). Such a separation device reliably separates a plurality of dough pieces.
    Type: Application
    Filed: June 10, 2004
    Publication date: February 3, 2005
    Applicant: WERNER & PFLEIDERER LEBENSMITTELTECHNIK GMBH
    Inventors: Bernd Dannenhauer, Frank Blumel, Thomas Schmidt
  • Patent number: 6813992
    Abstract: A baking oven comprises a charging section with an inlet for dough pieces to be loaded; a baking chamber; and a discharging section with an outlet for baked dough pieces to be unloaded. Provision is made for a circulating-air arrangement with a source that generates a flow of circulating air, a circulating-air heating device, and a circulating-air guiding channel, sections of which are formed by the baking chamber. An outer wall of the baking chamber is rotationally symmetrical about a vertical axis of rotation, expanding steadily upwards in particular in the shape of a funnel. A baking oven results, in which the dough pieces can be moved and distributed as regularly as possible during baking.
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: November 9, 2004
    Assignee: Werner & Pfleiderer LebensmittelteHchnik GmbH
    Inventors: Frank Blümel, Bernd Dannenhauer, Dieter Knost
  • Patent number: 6044833
    Abstract: A baking oven comprises a re-circulation air heater which comprises a burner with a combustion chamber and a cross-counterflow heat exchanger disposed downstream thereof. This heat exchanger comprises serpentine heat transfer tubes which are connected to a single flue gas supply channel and a single flue gas discharge channel. The heat exchanger is fixed at only a single fixing spot in each coordinate direction of a Cartesian coordinate system.
    Type: Grant
    Filed: March 1, 1999
    Date of Patent: April 4, 2000
    Assignee: Werner & Pfleiderer Lebensmitteltechnik GmbH
    Inventors: Ralf Gebhardt, Bernd Dannenhauer, Frank Blumel