Patents by Inventor Frank Holtmann

Frank Holtmann 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: 20240142109
    Abstract: An induction hob includes: a cover plate having at least one cooking area; a holding plate arranged parallel to the cover plate; at least one inductive heating coil arranged in an intermediate space between the cover plate and the holding plate; at least one electronics housing having electronics for the heating coil, which at least one electronics housing is arranged on a side of the holding plate facing away from the heating coil; a lower casing that delimits the induction hob at a bottom thereof; and at least one fan by which a cooling air flow for cooling the electronics is generatable in the lower casing. The at least one electronics housing is arranged in the lower casing, which is open at a top thereof, the holding plate covering the lower casing in an essentially airtight manner.
    Type: Application
    Filed: October 30, 2023
    Publication date: May 2, 2024
    Inventors: Meike GARBEN, Frank HOLTMANN, Alexander AUELL, Lukas Henry KRAEMER, Gerhard WEUSTHOF
  • Publication number: 20240142110
    Abstract: A induction hob includes: a top surface with at least one cooking zone; a holding plate arranged in parallel with the top surface; at least one inductive heating coil arranged in an intermediate space between the top surface and the holding plate; at least one electronics housing with electronics for the heating coil, which electronics housing is arranged on a side of the holding plate facing away from the heating coil; a bottom box delimiting the induction hob at the bottom, the electronics housing including the electronics being arranged in the bottom box, which is open at a top thereof, and the holding plate covering the bottom box in a substantially airtight manner at the top; and at least one fan by which a cooling air flow for cooling the electronics is generatable in the bottom box.
    Type: Application
    Filed: October 30, 2023
    Publication date: May 2, 2024
    Inventors: Meike GARBEN, Frank HOLTMANN, Alexander AUELL, Lukas Henry KRAEMER
  • Patent number: 11946653
    Abstract: An induction cooktop includes: a cover plate with at least one cooking point; a holding plate; at least one inductive heating coil arranged between the cover plate and the holding plate; at least one electronics housing fastened to a side of the holding plate facing away from the at least one inductive heating coil and having electronics for the at least one inductive heating coil; and a lower box closing off the induction cooktop at a bottom of the induction cooktop, the lower box being open at a top thereof. The at least one electronics housing is arranged in the lower box. The holding plate covers the lower box at the top. The holding plate is connected in a force-transmitting manner to the lower box in an assembly state of the induction cooktop.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: April 2, 2024
    Assignee: MIELE & CIE. KG
    Inventors: Meike Garben, Frank Holtmann, Axel Heckert, Robert Bulthaup
  • Publication number: 20220061133
    Abstract: lower boxlower boxlower boxlower boxlower boxlower box An induction cooktop includes: a cover plate with at least one cooking point; a retaining plate; at least one inductive heating coil arranged in an intermediate space between the cover plate and the retaining plate; at least one electronics housing fastened to a side of the retaining plate facing away from the at least one heating coil and having electronics for the at least one heating coil; and a lower box closing off the induction cooktop at a bottom of the induction cooktop, the lower box being open at a top of the lower box. The at least one electronics housing with the electronics is arranged in the lower box. The retaining plate covers the lower box at the top of the lower box. The induction cooktop includes a fan for generating a primary cooling air flow for cooling the electronics in the lower box. At least one cooling air opening is arranged in the retaining plate.
    Type: Application
    Filed: August 16, 2021
    Publication date: February 24, 2022
    Inventors: Simon Gross, Meike Garben, Frank Holtmann
  • Publication number: 20220061132
    Abstract: An induction cooktop includes: a cover plate with at least one cooking point; a holding plate; at least one inductive heating coil arranged between the cover plate and the holding plate; at least one electronics housing fastened to a side of the holding plate facing away from the at least one inductive heating coil and having electronics for the at least one inductive heating coil; and a lower box closing off the induction cooktop at a bottom of the induction cooktop, the lower box being open at a top thereof. The at least one electronics housing is arranged in the lower box. The holding plate covers the lower box at the top. The retaining plate is connected in a force-transmitting manner to the lower box in an assembly state of the induction cooktop.
    Type: Application
    Filed: August 16, 2021
    Publication date: February 24, 2022
    Inventors: Meike Garben, Frank Holtmann, Axel Heckert, Robert Bulthaup
  • Patent number: 9121615
    Abstract: A cooking surface of box-like structure for installation in the work surface of a kitchen console provided with a lower component having an outwardly facing surface providing for a degree of radiant heat emission in excess of 5, preferably from 0.9 to 0.95, and an inwardly facing surface providing for a degree of radiant heat reflection in excess of 0.5, preferably between 0.9 and 0.95.
    Type: Grant
    Filed: December 20, 2004
    Date of Patent: September 1, 2015
    Assignee: MIELE & CIE. KG.
    Inventors: Frank Holtmann, Stefan Homburg, Joerg Vollgraf
  • Publication number: 20050133020
    Abstract: A cooking surface of box-like structure for installation in the work surface of a kitchen console provided with a lower component having an outwardly facing surface providing for a degree of radiant heat emission in excess of 5, preferably from 0.9 to 0.95, and an inwardly facing surface providing for a degree of radiant heat reflection in excess of 0.5, preferably between 0.9 and 0.95.
    Type: Application
    Filed: December 20, 2004
    Publication date: June 23, 2005
    Inventors: Frank Holtmann, Stefan Homburg, Joerg Vollgraf