Patents by Inventor Denis Dammkoehler

Denis Dammkoehler 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: 11897010
    Abstract: A heatable high pressure cleaning appliance is provided with an undercarriage and a housing lower part, arranged on the undercarriage, in which a motor and a pump driven by the motor for pressurizing water are arranged, and with a fuel-operated heat exchanger for heating the water and a fuel tank for storing liquid fuel for the heat exchanger. In order to further develop the heatable high pressure cleaning appliance in such a way that it has a high mechanical stability and is producible in a cost-effective manner, it is proposed that the fuel tank is configured as a one-piece plastic hollow body, which forms the housing lower part and is held on a rigid support frame, wherein the support frame forms a shock protector that at least partially surrounds the fuel tank in the circumferential direction.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: February 13, 2024
    Assignee: Alfred Kärcher SE & Co. KG
    Inventors: Stefan Kelle, Ralph Seitter, Zheyi Jin, Denis Dammkoehler, Stefan Ehrhardt
  • Publication number: 20230200614
    Abstract: The invention relates to a floor cleaning system, comprising a user-guided floor cleaning machine for cleaning a floor surface, a sensor device, a control device, and an actuatable display device, wherein the floor cleaning machine comprises an operating device for a user, a chassis for moving the cleaning machine over the floor surface, and at least one cleaning device having a cleaning tool and preferably a drive device for the cleaning tool, wherein, during operation of the floor cleaning machine, a cleaning path along which, proceeding from a starting point, the cleaning machine travels over the floor surface can be determined by the control device on the basis of signals from the sensor device, and wherein the control device actuates the display device in order to display cleaning-related information, depending upon the cleaning path along which the cleaning machine is determined to have traveled.
    Type: Application
    Filed: November 25, 2022
    Publication date: June 29, 2023
    Inventors: Jürgen WALZ, Lukas SOBOTTA, Alexander BRÄNDLE, Denis DAMMKÖHLER, Marten JAHN, Miriam UNGERER
  • Publication number: 20230182799
    Abstract: The invention relates to a cleaning system comprising a hand-guided cleaning cart which comprises rollers and is movable over a supporting surface, for transporting and storing cleaning utensils for manual cleaning, wherein the cleaning system comprises at least one receiving device arranged at the cleaning cart and two or more different functional devices for operation and/or use of the at least one cleaning cart, wherein the functional devices are selectively connectable to the at least one receiving device, and wherein the at least one receiving device and the functional devices comprise cooperating connecting elements.
    Type: Application
    Filed: October 27, 2022
    Publication date: June 15, 2023
    Inventors: Patrick ARMBRUSTER, Jochen BURCHARD, Denis DAMMKÖHLER, Kamila DOBLER, Beyza GUEGERCIN, Marten JAHN, Jens KUHN, Calogero MANISCALCO
  • Publication number: 20230182798
    Abstract: The present invention relates to a connection device for connecting a first cleaning cart to a second cleaning cart along a connecting direction, each configured for receiving cleaning utensils and comprising rollers for moving on a ground surface, wherein the connection device comprises a first connecting part fixed or fixable to the first cleaning cart and a second connecting part fixed or fixable to the second cleaning cart, wherein the respective connecting part comprises a base region and a projection region projecting therefrom in a direction towards the respective other connecting part, wherein a first locking element is arranged at the first projection region of the first connecting part and a second locking element is arranged at the second projection region of the second connecting part, wherein the locking elements are configured to be in engagement with one another when in a locking position and to be out of engagement when in an unlocking position, and wherein the projection regions are arranged
    Type: Application
    Filed: October 27, 2022
    Publication date: June 15, 2023
    Inventors: Patrick ARMBRUSTER, Jochen BURCHARD, Denis DAMMKÖHLER, Kamila DOBLER, Beyza GUEGERCIN, Marten JAHN, Jens KUHN, Calogero MANISCALCO
  • Publication number: 20230182796
    Abstract: The invention relates to cleaning cart, comprising a frame having a frame lower part, a frame upper part and support parts which connect the frame lower part to the frame upper part and are spaced apart from one another, rollers at the frame lower part for moving on a ground surface, storage devices for receiving therein and/or supporting thereon cleaning accessories, retaining elements for holding the storage devices, and receiving elements arranged at the support parts in a predefined position, wherein the retaining elements are selectively fixable to the receiving elements for having the storage devices assume different relative positions with respect to the support parts.
    Type: Application
    Filed: October 27, 2022
    Publication date: June 15, 2023
    Inventors: Patrick ARMBRUSTER, Jochen BURCHARD, Denis DAMMKÖHLER, Kamila DOBLER, Beyza GUEGERCIN, Marten JAHN, Jens KUHN, Calogero MANISCALCO
  • Publication number: 20230125082
    Abstract: The invention relates to a cleaning system, comprising a cleaning cart and an external accessory device, wherein the cleaning cart comprises a frame having rollers for moving on a ground surface, at least one receptacle for receiving and/or carrying cleaning utensils, and an interaction device having a hand-actuatable interaction element, wherein the accessory device is portably configured and a user application program for processing cleaning-related information is executably stored on the accessory device and/or operable via the accessory device, wherein the interaction device and the accessory device are coupleable with one another via a communication connection, and wherein, depending on an actuation of the interaction element by the user, input information for operation of the user application program is transmittable from the interaction device to the accessory device and is processable by the accessory device. The invention further relates to a method for operating a cleaning system.
    Type: Application
    Filed: December 19, 2022
    Publication date: April 27, 2023
    Inventors: Jochen BURCHARD, Denis DAMMKÖHLER, Beyza GUEGERCIN, Marten JAHN, Jens KUHN, Calogero MANISCALCO
  • Publication number: 20210187562
    Abstract: A heatable high pressure cleaning appliance is provided with an undercarriage and a housing lower part, arranged on the undercarriage, in which a motor and a pump driven by the motor for pressurizing water are arranged, and with a fuel-operated heat exchanger for heating the water and a fuel tank for storing liquid fuel for the heat exchanger. In order to further develop the heatable high pressure cleaning appliance in such a way that it has a high mechanical stability and is producible in a cost-effective manner, it is proposed that the fuel tank is configured as a one-piece plastic hollow body, which forms the housing lower part and is held on a rigid support frame, wherein the support frame forms a shock protector that at least partially surrounds the fuel tank in the circumferential direction.
    Type: Application
    Filed: March 10, 2021
    Publication date: June 24, 2021
    Inventors: Stefan Kelle, Ralph Seitter, Zheyi Jin, Denis Dammkoehler, Stefan Ehrhardt
  • Publication number: 20210137341
    Abstract: The invention relates to a cleaning apparatus. The cleaning apparatus includes at least one cleaning tool for cleaning an object to be cleaned, an operating unit for a user, which includes at least one operating element for operating the cleaning apparatus, a control unit for processing operating instructions, a receptacle, arranged on the operating unit, for an external accessory that can be associated with the cleaning apparatus and that has a display device with an image display, wherein the accessory is removably positionable in the receptacle in a defined position, as well as a communication unit by way of which display information for being displayed on the image display are transmittable from the cleaning apparatus to the accessory positioned in the receptacle. The invention also relates to a cleaning system.
    Type: Application
    Filed: January 19, 2021
    Publication date: May 13, 2021
    Inventors: Denis Dammkoehler, Glenn Schmierer, Marc Rottmann, Simon Himmler, Frank Nonnenmann, Christoph Waller, Alexander Braendle, Lukas Sobotta, Andreas Friederich, Tobias Masek, Jochen Burchard, Marten Jahn
  • Patent number: D818788
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: May 29, 2018
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Denis Dammkoehler, Zheyi Jin
  • Patent number: D830014
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: October 2, 2018
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Zheyi Jin, Denis Dammkoehler
  • Patent number: D830015
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: October 2, 2018
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Zheyi Jin, Denis Dammkoehler
  • Patent number: D884620
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: May 19, 2020
    Assignee: Alfred Kaercher SE & Co. KG
    Inventors: Jochen Burchard, Denis Dammkoehler
  • Patent number: D889597
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: July 7, 2020
    Assignee: Alfred Kaercher SE & Co. KG
    Inventors: Denis Dammkoehler, Yunjin Zhao
  • Patent number: D919207
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: May 11, 2021
    Assignee: Alfred Kaercher SE & Co. KG
    Inventors: Denis Dammkoehler, Yunjin Zhao
  • Patent number: D941538
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: January 18, 2022
    Assignee: Alfred Kaercher SE & Co. KG
    Inventors: Denis Dammkoehler, Zheyi Jin
  • Patent number: D948144
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: April 5, 2022
    Assignee: Alfred Kaercher SE & Co. KG
    Inventors: Denis Dammkoehler, Jochen Burchard
  • Patent number: D1000023
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: September 26, 2023
    Assignee: Alfred Kaercher SE & Co. KG
    Inventors: Jochen Burchard, Denis Dammkoehler
  • Patent number: D1006355
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: November 28, 2023
    Assignee: Alfred Kaercher SE & Co. KG
    Inventors: Jochen Burchard, Denis Dammkoehler
  • Patent number: D1006356
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: November 28, 2023
    Assignee: Alfred Kaercher SE & Co. KG
    Inventors: Jochen Burchard, Denis Dammkoehler
  • Patent number: D1029427
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: May 28, 2024
    Assignee: Alfred Kaercher SE & Co. KG
    Inventors: Zheyi Jin, Denis Dammkoehler