Patents by Inventor Matthias Knöpfle

Matthias Knöpfle 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: 12059108
    Abstract: A cleaning device includes a handle and a cleaning head which is movable on a surface to be cleaned. The cleaning head has at least one rotatable cleaning roller and a first lip element arranged adjacent to a first suction gutter which can be subjected to negative pressure by a suction pump, and the cleaning head has a second lip element arranged adjacent to a second suction gutter which can be subjected to negative pressure by the suction pump. The first and second lip elements may each be movable, and the handle may be pivoted to move the lip elements.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: August 13, 2024
    Assignee: VERMOP Salmon GmbH
    Inventors: Matthias Knöpfle, Frank Rücker
  • Publication number: 20220125269
    Abstract: A cleaning device comprises a handle (14) and a cleaning head (12) which is movable on a surface to be cleaned, wherein said cleaning head (12) comprises at least one rotatable cleaning roller (16, 18) and a first lip element (22) arranged adjacent to a first suction gutter (32) which can be subjected to negative pressure by means of a suction pump (44), and said cleaning head (12) comprises a second lip element (24) arranged adjacent to a second suction gutter (32) which can be subjected to negative pressure by means of the suction pump (44).
    Type: Application
    Filed: October 5, 2021
    Publication date: April 28, 2022
    Inventors: Matthias Knöpfle, Frank Rücker