Patents by Inventor Holger Lepold

Holger Lepold 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: 20200338489
    Abstract: The subject matter of the invention is a filter element (13) for insertion into a vacuum cleaner, with an upper side (14), a lower side (15) which lies opposite the upper side (14), a filter body (19) which extends from the upper side (14) to the lower side (15) and which forms a wall (26) of a clean air space which is situated between the upper side and the lower side, and with a conveying opening (17) which is arranged on the upper side (14), opens into the clean air space, and through which an air flow which is driven by way of the vacuum cleaner can be conveyed. According to the invention, a deflecting surface (20) which extends in the direction of the lower side (15) is arranged in the clean air space below the conveying opening (17), which deflecting surface (20) is configured to deflect an air flow which is introduced through the conveying opening (17) in the direction of the wall (26) of the clean air space.
    Type: Application
    Filed: April 21, 2020
    Publication date: October 29, 2020
    Inventor: Holger Lepold
  • Patent number: 7659693
    Abstract: The invention relates to a rechargeable battery with a battery housing having a rear wall with a recess which extends as far as an end wall of the battery housing and has a base side and narrow sides facing each other, the base side continuing via a step into the outer side of the rear wall, and a contact assembly which is covered by a cover extending from the step being positioned at the step. In order to further develop the battery so that when the battery is connected to an electrical appliance the contact assembly is protected against splash water, it is proposed, in accordance with the invention, that the cover form a contact housing which completely surrounds the contact assembly in circumferential direction and has on its side facing away from the step an insertion opening surrounded by a circumferential rim of the contact housing, which forms a sealing surface.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: February 9, 2010
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Maic Hensel, Juergen Weiss, Ralph Diehl, Martin Schmidgall, Holger Lepold
  • Patent number: 7578026
    Abstract: The invention relates to a vacuum cleaner with a housing having a dirt chamber closable by a cover, into which a suction socket extends and in which a filter bag is insertable, with a inlet opening of the filter bag being connectable to the suction socket. In order to design the vacuum cleaner so that it allows simple and hygienic handling when removing the filter bag from the dirt chamber it is proposed in accordance with the invention that the suction socket be held on the housing so as to be displaceable back and forth between a position in which it extends into the inlet opening of the filter bag and a position in which it releases the inlet opening.
    Type: Grant
    Filed: December 29, 2005
    Date of Patent: August 25, 2009
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Holger Lepold, Alessandro Albanello, Peter Langer, Uli Haeussermann, Roland Jeutter
  • Patent number: 7450367
    Abstract: The invention relates to a cleaning apparatus comprising a cleaning unit driven by an electric motor and a housing which has a battery chamber for accommodating at least one rechargeable battery, a connecting device having a mechanical mounting part and an electrical plug connector part being disposed in the battery chamber for establishing an electrical and mechanical connection between the battery and the cleaning apparatus. In order to further develop said cleaning apparatus in such a way that batteries of different physical shapes can be used, the invention proposes that the mounting part is detachably mounted in the battery chamber, and the plug connector part is detachably connectable as desired to the mounting part or to a chamber wall of the battery chamber.
    Type: Grant
    Filed: August 7, 2007
    Date of Patent: November 11, 2008
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Juergen Frank, Maic Hensel, Holger Lepold
  • Publication number: 20080224657
    Abstract: The invention relates to a rechargeable battery with a battery housing having a rear wall with a recess which extends as far as an end wall of the battery housing and has a base side and narrow sides facing each other, the base side continuing via a step into the outer side of the rear wall, and a contact assembly which is covered by a cover extending from the step being positioned at the step. In order to further develop the battery so that when the battery is connected to an electrical appliance the contact assembly is protected against splash water, it is proposed, in accordance with the invention, that the cover form a contact housing which completely surrounds the contact assembly in circumferential direction and has on its side facing away from the step an insertion opening surrounded by a circumferential rim of the contact housing, which forms a sealing surface.
    Type: Application
    Filed: March 7, 2008
    Publication date: September 18, 2008
    Applicant: Alfred Kaercher GmbH & Co. KG
    Inventors: Maic Hensel, Juergen Weiss, Ralph Diehl, Martin Schmidgall, Holger Lepold
  • Publication number: 20080062618
    Abstract: The invention relates to a cleaning apparatus comprising a cleaning unit driven by an electric motor and a housing which has a battery chamber for accommodating at least one rechargeable battery, a connecting device having a mechanical mounting part and an electrical plug connector part being disposed in the battery chamber for establishing an electrical and mechanical connection between the battery and the cleaning apparatus. In order to further develop said cleaning apparatus in such a way that batteries of different physical shapes can be used, the invention proposes that the mounting part is detachably mounted in the battery chamber, and the plug connector part is detachably connectable as desired to the mounting part or to a chamber wall of the battery chamber.
    Type: Application
    Filed: August 7, 2007
    Publication date: March 13, 2008
    Applicant: Alfred Kaercher GmbH & Co. KG
    Inventors: Juergen Frank, Maic Hensel, Holger Lepold
  • Publication number: 20060156507
    Abstract: The invention relates to a vacuum cleaner with a housing having a dirt chamber closable by a cover, into which a suction socket extends and in which a filter bag is insertable, with a inlet opening of the filter bag being connectable to the suction socket. In order to design the vacuum cleaner so that it allows simple and hygienic handling when removing the filter bag from the dirt chamber it is proposed in accordance with the invention that the suction socket be held on the housing so as to be displaceable back and forth between a position in which it extends into the inlet opening of the filter bag and a position in which it releases the inlet opening.
    Type: Application
    Filed: December 29, 2005
    Publication date: July 20, 2006
    Applicant: Alfred Kaercher Gmbh & Co. KG
    Inventors: Holger Lepold, Alessandro Albanello, Peter Langer, Uli Haeussermann, Roland Jeutter
  • Patent number: 6241594
    Abstract: In order to provide a hand machine tool comprising an elongated housing, a drive motor which is arranged in the housing and with which a tool holder can be driven via a miter gear, a first handle unit arranged on a housing section located close to the tool holder and aligned transversely to a longitudinal axis of the housing and a second handle unit arranged on the housing, with which the alignment of the first handle unit relative to the axis of rotation of the tool holder may be varied, it is suggested that the first handle unit be held for guidance in an adjusting guide means on the housing and in this adjusting guide means be adjustable within an angular range of at least 90° about a longitudinal axis of the housing between several possible positions and be fixable in a positive-locking manner in the respective position.
    Type: Grant
    Filed: November 19, 1999
    Date of Patent: June 5, 2001
    Assignee: Flex-Elektrowerkzeuge
    Inventor: Holger Lepold
  • Patent number: 5855517
    Abstract: A releasable coupling for motorized machine tools including first and second coupling elements which are uncoupled when a predetermined triggering torque occurs. The first coupling element includes first locking elements, such as balls, while the second coupling element includes corresponding second locking elements, such as recesses. The first coupling element includes a concentric holding element. The holding element is rotatable with respect to the first and second coupling element between an inactive position and an active position. In the inactive position, the holding element allows the first and second locking elements to engage one another to maintain the first and second coupling elements in a coupled arrangement. After the predetermined triggering torque has occurred and the holding element is rotated into the active position, the holding element prevents the first and second locking elements from engaging one another to maintain the first and second coupling elements in a uncoupled arrangement.
    Type: Grant
    Filed: July 24, 1996
    Date of Patent: January 5, 1999
    Assignee: Flex-Elektrowerkzeuge GmbH
    Inventor: Holger Lepold