Patents Assigned to Carl Freudenberg KG
  • Patent number: 11560949
    Abstract: Sealing element for producing an electrically conductive connection between a first machine element and a second machine element, comprising at least one disc-shaped conducting element and a support ring, the support ring comprising an axial flange and a radial flanged, the conducting element being formed from an electrically conductive foil, and the conducting element being secured at least in sections along the axial flange between the support ring and the second machine element.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: January 24, 2023
    Assignee: CARL FREUDENBERG KG
    Inventors: Guenter Hintenlang, Martin Heldmann, Thomas Klenk, Jens Hofmann
  • Patent number: 11536312
    Abstract: A sealing bellows made of an elastomeric material includes: a first end face; a second end face; and a casing having a central axis, the casing being arranged in an axial direction between the first and second end faces, the casing including at least one torsion-compensating element for absorbing torsional movements introduced into the sealing bellows substantially without torsional stress. The first end face includes a first static seal and the second end face includes a second static seal. The sealing bellows is made of a TPE material.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: December 27, 2022
    Assignee: CARL FREUDENBERG KG
    Inventors: Rainer Knorr, Tatsuro Hosen
  • Patent number: 11497151
    Abstract: A sealing arrangement includes: a first machine element and a second machine element, each made of an electrically-conductive material; and a seal. The first and second machine elements are sealed against one another by the seal. At least one of the machine elements is made of an electrically-conductive plastic which is at least partially covered by an electrically-insulating, injection-molded skin as a result of production. The seal has an electrically-conductive support body. The support body has at least one substantially mandrel-shaped projection comprising an electrically-conductive material which is arranged on a side of the support body facing the injection-molded skin and completely penetrates the injection-molded skin.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: November 8, 2022
    Assignee: CARL FREUDENBERG KG
    Inventors: Herve Di Meo, Marina Nussko, Matthias Hauer, Volker Schroiff, Marco Sutter
  • Publication number: 20220346540
    Abstract: A beveled broom and step-on dustpan cleaning system including a step-on dustpan having a step-on portion configured to allow a user to collect debris in a receptacle of the dustpan when a force is applied on the step-on portion. The dustpan includes a lip portion which is configured to seal against a floor surface upon a user stepping on the step-on portion to collect debris. A beveled broom having a broom head configured with a beveled or chamfered shape at a functional angle to provide an effective and efficient contact surface to a floor surface to collect debris during use.
    Type: Application
    Filed: July 15, 2022
    Publication date: November 3, 2022
    Applicant: Carl Freudenberg KG
    Inventors: Doug Metzel, Robert Ancheta
  • Patent number: 11465596
    Abstract: A system and method for cleaning a cart wheel includes an elongated body having a central channel having an entry end and an exit end. A shuttle slidably engages the elongated body and is engageable by a wheel entering the central channel from the entry end such that the wheel pushes the shuttle along the central channel and disengages the shuttle adjacent the exit end, wherein a sliding engagement between the wheel and the shuttle cleans the wheel.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: October 11, 2022
    Assignee: Carl Freudenberg KG
    Inventors: Fred Cecala, Leo Gubenko, Torsten Plate, Florian Hattich
  • Patent number: 11453202
    Abstract: A thermoformable decorative material for an automotive interior includes: a decorative layer including a textile substrate; a digitally printed design disposed on at least one side of the textile substrate and having dispersion ink and/or pigment ink; and an overlay adhesive coating applied to the digitally printed design. The overlay adhesive coating has an adhesive that includes polyurethane and/or polyacrylate.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: September 27, 2022
    Assignee: CARL FREUDENBERG KG
    Inventors: Johanna Spoerl, Feng Li, Arun Prasad Venugopal, Klaus-Dietmar Wagner, Angela Weik
  • Patent number: 11425990
    Abstract: A beveled broom and step-on dustpan cleaning system including a step-on dustpan having a step-on portion configured to allow a user to collect debris in a receptacle of the dustpan when a force is applied on the step-on portion. The dustpan includes a lip portion which is configured to seal against a floor surface upon a user stepping on the step-on portion to collect debris. A beveled broom having a broom head configured with a beveled or chamfered shape at a functional angle to provide an effective and efficient contact surface to a floor surface to collect debris during use.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: August 30, 2022
    Assignee: Carl Freudenberg KG
    Inventors: Doug Metzel, Robert Ancheta
  • Patent number: 11415222
    Abstract: A sealing bellows includes a casing. The casing includes a rubber-elastic material, which includes an edge region at the front side on both sides. A clamping ring for fastening the sealing bellows to a machine element is arranged in at least one of the edge regions. The clamping ring is formed by an annular disk which, viewed in the circumferential direction, has a meander-like configuration.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: August 16, 2022
    Assignee: CARL FREUDENBERG KG
    Inventors: Nedal Idies, Rainer Knorr
  • Publication number: 20220211242
    Abstract: A bucket assembly for use with a mop includes inner and outer bucket assemblies including first and second reservoirs, respectively. The inner bucket assembly includes a rinse bucket, fluid connection and closure element between the rinse bucket and the first reservoir. The first reservoir is optionally otherwise sealed when the at least one closure element is in the open position. The inner bucket is disposed at least partially within the second reservoir. A drainage channel fluidly connected to the second reservoir is formed by at least one of the inner bucket assembly and/or the outer bucket assembly.
    Type: Application
    Filed: January 7, 2021
    Publication date: July 7, 2022
    Applicant: Carl Freudenberg KG
    Inventor: Doug Metzel
  • Patent number: 11374279
    Abstract: An energy storage system includes a housing in which a plurality of storage cells are arranged. The storage cells are thermally insulated from each other via a device arranged between the storage cells. The device is designed in such a way that the storage cells are spaced apart from each other. The device is made from temperature-resistant material. The device has projections and depressions. The device contains a material which is configured to be subjected to an endothermic chemical conversion when a temperature of 200° C. is exceeded.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: June 28, 2022
    Assignee: CARL FREUDENBERG KG
    Inventors: Peter Kritzer, Reiner Dirr, Olaf Nahrwold, Michael Klemt
  • Patent number: 11371614
    Abstract: A method includes using a sealing element to dynamically seal a sealing body in the presence of a lubricant. The sealing element has an elastomeric base body and a plasma coating. The coating includes the elements carbon, oxygen, silicon, and hydrogen. The coating has the following properties at least at the surface: the amount ratio C:Si (at %/at %) is >5, the amount ratio O:Si (at %/at %) is >3, and the surface energy is <50 mN/m. In an embodiment, the coating includes the element fluorine.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: June 28, 2022
    Assignee: CARL FREUDENBERG KG
    Inventors: Friederike Von Fragstein, Matthias Adler, Stephan Rutz, Thomas Schnetz, Katharina Hallstein, Kai Feller, Boris Traber, Erich Prem
  • Patent number: 11369907
    Abstract: A filter cartridge has a filter medium that is provided at least on an end face with a flange that serves for the installation of the filter cartridge in a filter arrangement, whereby the flange has a radial flange and a support section, whereby the support section extends in the lengthwise direction of the filter cartridge.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: June 28, 2022
    Assignee: CARL FREUDENBERG KG
    Inventors: Karsten Schulz, Georg Hirsch, Juergen Klaus, Renate Tapper
  • Patent number: 11357382
    Abstract: A bucket includes: at least two chambers which are flow connected to one another by at least one overflow channel. One of the chambers is a combined washing-out/centrifuging chamber for a cleaning device. One of the chambers is a water level-regulating chamber configured to regulate a water level in the washing-out/centrifuging chamber. The water level-regulating chamber contains a displacement body which is movable by a first actuating device.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: June 14, 2022
    Assignee: CARL FREUDENBERG KG
    Inventors: Uwe Dingert, Norbert Weis
  • Patent number: 11330945
    Abstract: A cleaning device includes: a main body having a front edge; a suction device having a suction opening and a suction channel; a brush assembly having a rotatable roller brush; and an apparatus for wetting a floor to be cleaned with liquid, the apparatus being associated with the roller brush. The suction opening and the roller brush are arranged in the main body in such a manner as to face the floor to be cleaned. The suction opening has a first wall facing the front edge of the main body and a second wall facing the roller brush. The roller brush loosens dirt from the floor to be cleaned. A pivotable lip is associated with the suction opening and alternately rests against the first wall or the second wall.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: May 17, 2022
    Assignee: CARL FREUDENBERG KG
    Inventors: Alessandro Brugora, Helmut Hofmeister
  • Mop
    Patent number: D951570
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: May 10, 2022
    Assignee: CARL FREUDENBERG KG
    Inventor: Alessandro Brugora
  • Patent number: D954373
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: June 7, 2022
    Assignee: Carl Freudenberg KG
    Inventor: Doug Metzel
  • Mop
    Patent number: D952278
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: May 17, 2022
    Assignee: CARL FREUDENBERG KG
    Inventor: Alessandro Brugora
  • Patent number: D965935
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: October 4, 2022
    Assignee: CARL FREUDENBERG KG
    Inventor: Diana Thyson
  • Patent number: D970138
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: November 15, 2022
    Assignee: CARL FREUDENBERG KG
    Inventor: Diana Thyson
  • Mop
    Patent number: D974687
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: January 3, 2023
    Assignee: Carl Freudenberg KG
    Inventor: Doug Metzel