Patents by Inventor Ralf Polaczek

Ralf Polaczek 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: 10865972
    Abstract: A lighting device, comprising a housing, a planar arrangement of lamps, which are arranged in the housing, and a plate device, which is received on the housing, wherein a housing rear wall is formed by the plate device, the plate device has a circuit board, on which an electric circuit associated with the lamps is arranged, and the plate device has a heat sink device for passive cooling, which is formed by pin-type cooling elements is provided. The application also relates to a headlight.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: December 15, 2020
    Assignee: SUMOLIGHT GMBH
    Inventors: David Yellin, Ralf Polaczek
  • Patent number: 10767847
    Abstract: The application relates to a lighting device, comprising a housing, a planar arrangement of lamps, which are arranged in the housing, and a plate device, which is received on the housing, wherein a housing rear wall is formed by the plate device, the plate device has a circuit board, on which an electric circuit associated with the lamps is arranged, and the plate device has a heat sink device for passive cooling, which is formed by pin-type cooling elements. The application also relates to a headlight.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: September 8, 2020
    Assignee: DOPCHOICE GMBH
    Inventors: David Yellin, Ralf Polaczek
  • Publication number: 20200096188
    Abstract: The application relates to a lighting device, comprising a housing, a planar arrangement of lamps, which are arranged in the housing, and a plate device, which is received on the housing, wherein a housing rear wall is formed by the plate device, the plate device has a circuit board, on which an electric circuit associated with the lamps is arranged, and the plate device has a heat sink device for passive cooling, which is formed by pin-type cooling elements. The application also relates to a headlight.
    Type: Application
    Filed: November 26, 2019
    Publication date: March 26, 2020
    Inventors: David Yellin, Ralf Polaczek
  • Patent number: 10571111
    Abstract: The application relates to a lighting device, comprising a housing, a planar arrangement of lamps, which are arranged in the housing, and a plate device, which is received on the housing, wherein a housing rear wall is formed by the plate device, the plate device has a circuit board, on which an electric circuit associated with the lamps is arranged, and the plate device has a heat sink device for passive cooling, which is formed by pin-type cooling elements. The application also relates to a headlight.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: February 25, 2020
    Assignee: DoPchoice GmbH
    Inventors: David Yellin, Ralf Polaczek
  • Publication number: 20180363892
    Abstract: The application relates to a lighting device, comprising a housing, a planar arrangement of lamps, which are arranged in the housing, and a plate device, which is received on the housing, wherein a housing rear wall is formed by the plate device, the plate device has a circuit board, on which an electric circuit associated with the lamps is arranged, and the plate device has a heat sink device for passive cooling, which is formed by pin-type cooling elements. The application also relates to a headlight.
    Type: Application
    Filed: August 28, 2018
    Publication date: December 20, 2018
    Inventors: David Yellin, Ralf Polaczek
  • Publication number: 20170227191
    Abstract: A self-expanding light shaping device for being separably mounted on a fastening arrangement of a lighting device is provided. The light shaping device features sidewalls of flexible material, which after the mounting on the lighting device surround a light shaping and light emitting region formed between an inlet opening and an outlet opening, tensioning elements designed for stabilizing the sidewalls and a fastening mechanism for separably mounting the light shaping device on the fastening arrangement of the lighting device, wherein the outlet opening is realized in the form of a round outlet opening, which is at least sectionally enclosed by a frontal tensioning element that expands the flexible material of the sidewalls.
    Type: Application
    Filed: April 7, 2015
    Publication date: August 10, 2017
    Inventors: DAVID YELLIN, RALF POLACZEK
  • Publication number: 20150146404
    Abstract: A lighting device, comprising a housing, a planar arrangement of lamps, which are arranged in the housing, and a plate device, which is received on the housing, wherein a housing rear wall is formed by the plate device, the plate device has a circuit board, on which an electric circuit associated with the lamps is arranged, and the plate device has a heat sink device for passive cooling, which is formed by pin-type cooling elements is provided. The application also relates to a headlight.
    Type: Application
    Filed: June 3, 2013
    Publication date: May 28, 2015
    Inventors: David Yellin, Ralf Polaczek
  • Patent number: D768900
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: October 11, 2016
    Inventors: Ralf Polaczek, David Yellin