Patents by Inventor Harald Hoffmann
Harald Hoffmann 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).
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Patent number: 11653423Abstract: The present invention relates to an induction cooking hob (10) comprising at least one cooking zone (12) including one induction coil (14). The induction cooking hob (10) comprises at least one user interface (22) including at least one display with at least one indicator corresponding with one cooking zone (12, 28, 30, 32). The induction coil (34, 36, 38, 40) is provided for detecting at least one parameter related to the power of the electromagnetic field generated by said induction coil (34, 36, 38, 40). The induction cooking hob (10) comprises a memory for storing a maximum value of the parameter detected by the induction coil (14) of the cooking zone (12) when a cooking pot (26) is arranged upon said cooking zone (12). The indicator corresponding with the cooking zone (12) indicates a signal related to an incorrect position of the cooking pot (26), if the currently detected value of the parameter is lower than the maximum value of said parameter.Type: GrantFiled: October 9, 2017Date of Patent: May 16, 2023Assignee: Electrolux Appliances AktiebolagInventors: Harald Hoffmann, Gerhard Klein, Richard Turek
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Patent number: 11617236Abstract: The invention relates to an induction hob comprising: a hob plate (2); two or more induction coils (3) arranged below the hob plate in order to form heating zones (4) at the hob plate (2); one or more pot detection sensors (5), the pot detection sensors (5) being at least partially placed between a pair of adjacent induction coils (3); wherein the pot detection sensor (5) is a strip-shaped sensor extending in a space between said pair of adjacent induction coils (3) and the pot detection sensor (5) is coupled with an evaluation unit (8) adapted to determine information regarding the coverage of the pot detection sensor (5).Type: GrantFiled: September 22, 2017Date of Patent: March 28, 2023Assignee: Electrolux Appliances AktiebolagInventors: Harald Hoffmann, Jochen Holzinger, Gerhard Klein
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Publication number: 20220349584Abstract: The present invention relates to a cooking hob for a domestic or an industrial appliance. The cooking hob comprises at least one heating area (10). The heating area (10) is subdivided or divisible into at least two adjacent heating zones (12, 14, 16). Each heating zone (12, 14, 16) includes at least one heating element (20, 22, 24, 26). The temperature of each heating zone (12, 14, 16) is separately adjusted or adjustable by the user or predefined by the producer. A cookware item (18) is placeable on one heating zone (12, 14, 16) or on more adjacent heating zones (12, 14, 16).Type: ApplicationFiled: July 2, 2020Publication date: November 3, 2022Inventors: Kurt REUL, Harald HOFFMANN
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Publication number: 20220275944Abstract: A cooking device with at least one cooking region comprises a control unit (2) configured to be coupled with a communication interface (12,16) for receiving voice signals as control commands from a user or data signals as control commands from a remote control device. The control unit (2) is configured for controlling a power supply to the at least one cooking region (4-1,4-2,4-3). The control unit (2) is configured to accept commands from the communication interface (12,16) only upon recognition of the presence of the user.Type: ApplicationFiled: July 30, 2020Publication date: September 1, 2022Inventors: Gerhard KLEIN, Holger WUNDLING, Harald HOFFMANN, Hugo MURGA, Alessandro DI NARDO, Constantin KRAUSSE, Christoph LUCKHARDT
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Publication number: 20220221155Abstract: The present invention relates to a cooking hob (1) having a cooking surface (5) with at least two cooking zones (3a, 3b, 3c, 3d) on which cookware (21) is placeable. Each cooking zone (3a,5 3b, 3c, 3d) is individually configurable and/or adjustable according to a selection mode. The selection mode comprises at least a selection and/or configuration of a power level for the cooking zone (3a, 3b, 3c, 3d). According to the invention, a code word and/or an identifier is allocatable to each cooking zone (3a, 3b, 3c, 3d) for controlling and/or addressing a spe-cific one of the cooking zones (3a, 3b, 3c, 3d). Further, a method for a configuration and/or adjustment of a cooking zone (3a, 3b, 3c, 3d) arranged on a cooking hob (1) which comprises at least two cooking zones (3a, 3b, 3c, 3d) is disclosed. The cooking zone (3a, 3b, 3c, 3d) is selected and/or addressed by identification of the cooking zone (3a, 3b, 3c, 3d) with an allocated code word or identifier.Type: ApplicationFiled: May 4, 2020Publication date: July 14, 2022Inventor: Harald HOFFMANN
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Patent number: 11088863Abstract: The present invention relates to a remote control system for controlling a first domestic appliance (10), in particular a cooking hob. The remote control system comprises the first domestic appliance (10) and at least one remote device (12). The domestic appliance (10) is connected to the remote device (12) via an acoustic connection (20). The domestic appliance (10) is controllable by the remote device (12), if a predefined sound signal from the domestic appliance (10) to the remote device (12) via the acoustic connection (20) is recognised by said remote device (12).Type: GrantFiled: July 3, 2018Date of Patent: August 10, 2021Assignee: Electrolux Appliance AktiebolagInventors: Daniel Areljung, Stefano Cladi, Harald Hoffmann
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Patent number: 10912158Abstract: The present invention relates to an induction cooking hob (10), in particular for a domestic appliance, comprising an optically transparent panel (12) for supporting cooking utensils, at least one illumination panel (14) arranged beneath the optically transparent panel (12), and at least one circuit board (18) arranged beneath the illumination panel (14), wherein said circuit board (18) includes a plurality of induction coils (16).Type: GrantFiled: November 15, 2016Date of Patent: February 2, 2021Assignee: Electrolux Appliances AktiebolagInventors: Jochen Holzinger, Harald Hoffmann
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Patent number: 10837649Abstract: The present invention relates to a control unit (10) for a domestic appliance, in particular for a cooking appliance. The control unit (10) comprises at least one display (12) formed as an input-output device. At least a part of the display (12) is touch-sensitive and/or formed as a touch screen. The display (12) is switchable between a control mode and an information mode. The display (12) includes at least one area (16). In the control mode the area (16) illustrates symbols and/or touch switches for controlling the domestic appliance by a user. In the information mode the area (16) illustrates information as a two-dimensional representation for the user. The representation of information on the at least one area (16) is controlled or controllable by symbols and/or touch switches on said area (16). The control unit (10) includes a switch button (20) for switching over between the control mode and the information mode.Type: GrantFiled: June 10, 2016Date of Patent: November 17, 2020Assignee: Electrolux Appliances AktiebolagInventors: Jochen Holzinger, Harald Hoffmann, Juergen Leikam
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Publication number: 20200184803Abstract: The present invention relates to an external user interface (10) for controlling at least one domestic appliance (12). The external user interface (10) includes at least one input device (14), at least one output device (14), at least one control unit and at least one memory for storing data and/or programs. The external user interface (10) is formed as a mobile device and connectable to a predetermined group of domestic appliances (12), wherein the external user interface (10) is provided for controlling said group of domestic appliances (12), and wherein data and/or programs related to the domestic appliances (12) are stored in the memory of the external user interface (10).Type: ApplicationFiled: June 19, 2017Publication date: June 11, 2020Inventors: Jochen Holzinger, Holger Wundling, Harald Hoffmann
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Publication number: 20200136850Abstract: The present invention relates to a remote control system for controlling a first domestic appliance (10), in particular a cooking hob. The remote control system comprises the first domestic appliance (10) and at least one remote device (12). The domestic appliance (10) is connected to the remote device (12) via an acoustic connection (20). The domestic appliance (10) is controllable by the remote device (12), if a predefined sound signal from the domestic appliance (10) to the remote device (12) via the acoustic connection (20) is recognised by said remote device (12).Type: ApplicationFiled: July 3, 2018Publication date: April 30, 2020Inventors: Daniel ARELJUNG, Stefano CLADI, Harald HOFFMANN
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Patent number: 10555381Abstract: An induction hob including at least one switching element and at least one induction coil is provided. The switching element provides an alternating current flow through the induction coil. Cooling means provide airflow through the induction hob for cooling the switching element and the induction coil. The induction coil is arranged at a first side of a first plate-shaped support element and the switching element is arranged at a first side of a second plate-shaped support element. The first support element and the second support element are connected to one another and are arranged at a distance in order to form an air channel therebetween. The cooling means are arranged such that airflow is provided through the air channel.Type: GrantFiled: November 26, 2015Date of Patent: February 4, 2020Assignee: Electrolux Appliances AktiebolagInventors: Lee Chappell, Harald Hoffmann, Alex Viroli, Laurent Jeanneteau, Andrea Fattorini
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Publication number: 20200037406Abstract: The present invention relates to a system for preparing and/or performing an automatic cooking process. The system is adapted to at least one user. The system comprises at least one communication device (10) and at least one automatic or semi-automatic cooking appliance (12). The cooking temperatures, cooking powers and/or cooking times of the cooking process are automatically controllable. The communication device (10) and the cooking appliance (12) are interconnected via at least one signal connection. The communication device (10) includes or has access to individual personal data of the user. The individual personal data of the user relates to the nutrition, tastes and/or health situation of said user. The system comprises at least one automatic or semi-automatic conveying means, preferably a robot, for positioning and removing cookware in and/or on the cooking appliance (12) and/or for delivering food to the cookware.Type: ApplicationFiled: January 8, 2018Publication date: January 30, 2020Inventors: Ulrich HAUTLE, Harald HOFFMANN, Kurt REUL
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Patent number: 10393388Abstract: A control unit (10) for a cooking hob has at least one viewing window (24). The control unit (10) is attached or attachable below the viewing window (24) and has a plurality of control elements (12) operable from a top side of the control unit (10). At least one display (14) is arranged on the top side of the control unit (10). A control panel (16) forms an unmovable part of the control unit. A number of elastic elements (30) are for resiliently supporting the display (14) on the control unit (10). The control unit (10) has a display frame (18) for at least partially enclosing the display (14). The display frame (18) includes a sealing lip (28) on its upper side and the elastic elements (30) at its lower side. A cooking hob has at least one control unit (10).Type: GrantFiled: July 6, 2010Date of Patent: August 27, 2019Assignee: Electrolux Home Products Corporation N.V.Inventors: Mathias Huntscha, Alwin Neukamm, Harald Hoffmann, Jurgen Leikam
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Publication number: 20190261467Abstract: The invention relates to an induction hob comprising: a hob plate (2); two or more induction coils (3) arranged below the hob plate in order to form heating zones (4) at the hob plate (2); one or more pot detection sensors (5), the pot detection sensors (5) being at least partially placed between a pair of adjacent induction coils (3); wherein the pot detection sensor (5) is a strip-shaped sensor extending in a space between said pair of adjacent induction coils (3) and the pot detection sensor (5) is coupled with an evaluation unit adapted to determine information regarding the coverage of the pot detection sensor (5).Type: ApplicationFiled: September 22, 2017Publication date: August 22, 2019Inventors: Harald HOFFMANN, Jochen HOLZINGER, Gerhard KLEIN
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Publication number: 20190254123Abstract: The present invention relates to an induction cooking hob (10) comprising at least one cooking zone (12) including one induction coil (14). The induction cooking hob (10) comprises at least one user interface (22) including at least one display with at least one indicator corresponding with one cooking zone (12, 28, 30, 32). The induction coil (34, 36, 38, 40) is provided for detecting at least one parameter related to the power of the electromagnetic field generated by said induction coil (34, 36, 38, 40). The induction cooking hob (10) comprises a memory for storing a maximum value of the parameter detected by the induction coil (14) of the cooking zone (12) when a cooking pot (26) is arranged upon said cooking zone (12). The indicator corresponding with the cooking zone (12) indicates a signal related to an incorrect position of the cooking pot (26), if the currently detected value of the parameter is lower than the maximum value of said parameter.Type: ApplicationFiled: October 9, 2017Publication date: August 15, 2019Inventors: Harald HOFFMANN, Gerhard KLEIN, Richard TUREK
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Patent number: 10349467Abstract: The present invention relates to a cooking hob (10) including at least two cooking zones (16, 18) and a balance system for adjusting the temperature of a cooking vessel (20) after said cooking vessel (20) has been moved from a first cooking zone (16) to a second cooking zone (18). The cooking zones (16, 18) comprise or correspond with a vessel recognition device in each case. The cooking hob (10) includes a sensor device for detecting the temperature of the first cooking zone (16). The balance system is provided for activating a boosted power level (30) at the second cooking zone (18) for an estimated time in order to compensate the energy loss (Qs) of the cooking vessel (20) during setting said cooking vessel (20) on the second cooking zone (18).Type: GrantFiled: September 20, 2011Date of Patent: July 9, 2019Assignee: Electrolux Home Products Corporation N.V.Inventors: Harald Hoffmann, Richard Turek
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Publication number: 20180352614Abstract: The present invention relates to an induction cooking hob (10), in particular for a domestic appliance, comprising an optically transparent panel (12) for supporting cooking utensils, at least one illumination panel (14) arranged beneath the optically transparent panel (12), and at least one circuit board (18) arranged beneath the illumination panel (14), wherein said circuit board (18) includes a plurality of induction coils (16).Type: ApplicationFiled: November 15, 2016Publication date: December 6, 2018Inventors: Jochen Holzinger, Harald Hoffmann
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Patent number: 10088145Abstract: An illumination device for a cooking zone element is provided for a cooking hob which is covered by a transparent panel. The illumination device is provided for a cooking zone element with a central cutout in a central portion of said cooking zone element. The illumination device includes at least one diffuser screen arranged or arrangeable in an upper portion of the central cutout of the cooking zone element and parallel to the transparent panel of the cooking hob. The illumination device includes at least one light source element arranged or arrangeable below the central cutout of the cooking zone element. The illumination device includes an optical lens enclosing an upper portion of the light source element. Further, the present invention relates to a corresponding cooking zone element and cooking hob.Type: GrantFiled: March 12, 2013Date of Patent: October 2, 2018Assignee: Electrolux Home Products Corporation N.V.Inventors: Jochen Holzinger, Claus Meider, Harald Hoffmann
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Publication number: 20180180293Abstract: The present invention relates to a control unit (10) for a domestic appliance, in particular for a cooking appliance. The control unit (10) comprises at least one display (12) formed as an input-output device. At least a part of the display (12) is touch-sensitive and/or formed as a touch screen. The display (12) is switchable between a control mode and an information mode. The display (12) includes at least one area (16). In the control mode the area (16) illustrates symbols and/or touch switches for controlling the domestic appliance by a user. In the information mode the area (16) illustrates information as a two-dimensional representation for the user. The representation of information on the at least one area (16) is controlled or controllable by symbols and/or touch switches on said area (16). The control unit (10) includes a switch button (20) for switching over between the control mode and the information mode.Type: ApplicationFiled: June 10, 2016Publication date: June 28, 2018Inventors: Jochen HOLZINGER, Harald HOFFMANN, Juergen LEIKAM
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Publication number: 20170238375Abstract: The invention relates to an induction hob comprising at least one switching element and at least one induction coil (3), the switching element providing an alternating current flow through said induction coil (3) and cooling means (4) providing an airflow through the induction hob for cooling said switching element and said induction coil (3). The induction coil (3) is arranged at a first side (5.1) of a first plate-shaped support element (5) and the switching element is arranged at a first side (6.1) of a second plate-shaped support element (6), wherein the first support element (5) and the second support element (6) are connected to one another and arranged at a distance (d) in order to form an air channel (7) between the first and second support element (5, 6) and wherein the cooling means (4) are arranged such that an airflow is provided through said air channel (7).Type: ApplicationFiled: November 26, 2015Publication date: August 17, 2017Inventors: Lee Chappell, Harald Hoffmann, Alex Viroli, Laurent Jeanneteau, Andrea Fattorini