Patents Assigned to Carl Freudenberg
  • Patent number: 10123675
    Abstract: A torsion wringer has a receiving device for receiving the head of a mop, the receiving device having an upper part and a lower part which can be interconnected by elements. The design and to development of the torsion wringer can provide a mop that can be freed from liquid in a problem-free manner. The torsion wringer has elements designed in such a manner and/or are articulated on the parts of the container such that the parts can be rotated with respect to each other.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: November 13, 2018
    Assignee: Carl Freudenberg KG
    Inventors: Norbert Weis, Uwe Dingert, Johannes Hohenhaus, Reiner Wallbaum
  • Patent number: 10092673
    Abstract: A plurality of fibers or one-dimensional, two-dimensional, or three-dimensional fibrous structures are provided, having fibers from a first raw fiber material. The first raw fiber material contains unsubstituted or partially substituted polyvinyl alcohol and/or unsubstituted or partially substituted polyvinyl alcohol copolymer. The fibers can be crosslinked by tempering the fibers or fibrous structures, with the result that the fibers or the fibrous structure are configured to be gel, in particular hydrogel, fibers or fibrous structures and have excellent stability.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: October 9, 2018
    Assignee: Carl Freudenberg KG
    Inventors: Wiebke Schmitz, Julia Schmidt, Bernd Schlesselmann, Gunter Scharfenberger
  • Patent number: 10044050
    Abstract: An electrically conductive sheet material having a base body with fibers, at least part of the fibers having carbon fibers, optionally having channels extending through the base body, capable of providing an electrically conductive and flexible sheet material which has a low electrical resistance and which can be produced on a large scale in the most simple, cost-effective and reproducible manner possible.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: August 7, 2018
    Assignee: Carl Freudenberg KG
    Inventors: Gunter Scharfenberger, Gerhard Schoepping, Birger Lange, Gerald Jarre, Michael Zaminer, Judith Haller
  • Patent number: 10028634
    Abstract: A cleaning device has a support body with two foldable frame elements and a cloth which has two pockets for receiving the frame elements. The two frame elements can be detachably arranged in the pockets. A holder may be arranged inside each packet, the holders and the corresponding frame elements may be interconnected in a nondestructive manner.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: July 24, 2018
    Assignee: Carl Freudenberg KG
    Inventor: Joaquim Barrera Calderon
  • Patent number: 10029356
    Abstract: A mounting device for a sealing ring, having a transport/mounting protective sleeve for the sealing ring and a sleeve-shaped punch with which the transport/mounting protective sleeve is movable on both sides in axial direction and automatically removable, wherein the protective sleeve has an inner step, extending axially, and an outside diameter corresponding to the outside diameter of a machine element to be sealed, and an axial length substantially corresponding to the axial length of the sealing ring, wherein the inner step is bounded axially counter to mounting direction by at least one end-side stop for the sealing ring, which stop forms part of an outer step likewise extending in the axial direction, wherein the outer step has a first driver surface with which at least one latching-lug-shaped driver of the punch can be engaged for automatic removal of the protective sleeve when the punch moves counter to the mounting direction.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: July 24, 2018
    Assignee: Carl Freudenberg KG
    Inventors: Francois Colineau, Guenter Hintenlang, Martin Heldmann, Horst Spiegelhalter
  • Patent number: 10022030
    Abstract: A movable device has a base which can be moved on a surface using a travel gear, which may improve and design a movable device such that it can be moved on a surface without major damages and in a trouble-free manner, wherein the base is associated with one or more detectors configured to detect obstacles and/or with dampers configured to damp impact and/or with carriers configured to carry along particles.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: July 17, 2018
    Assignee: Carl Freudenberg KG
    Inventors: Markus Rueckheim, Christian Mast
  • Patent number: 9974420
    Abstract: A window wiper is substantially tee-shaped, having a wiper head and a wiper handle, the wiper head being bent with respect to the wiper handle and the wiper head and the wiper handle delimiting a bending angle. The wiper head and the wiper handle may be connected to each other by a flexible joint, the wiper head and the wiper handle being movable from an initial bending angle to a maximum final bending angle against the spring force of the flexible joint.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: May 22, 2018
    Assignee: Carl Freudenberg KG
    Inventors: Markus Dietz, Karl-Ludwig Gibis, Ralf Juergens
  • Patent number: 9975072
    Abstract: A filter element to be inserted into a filter housing, has a filter medium with a rim, wherein the rim is connected to an injection-molded frame or at least one injection-molded frame element, providing a flexibly bendable filter element using a frame made of plastic attached by injection molding, wherein the frame or at least one frame element is made of plastics of different hardnesses in alternation in at least one extension direction, such that the filter element can be bent flexibly at least in part by deforming the filter medium and the frame or frame element.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: May 22, 2018
    Assignee: Carl Freudenberg KG
    Inventors: Peter Capuani, Thomas Stoesser, Tomas Starec
  • Patent number: 9962057
    Abstract: A cleaning apparatus for cleaning floors and/or surfaces, having a container for holding a cleaning fluid, a discharge device for discharging the cleaning fluid onto a floor and/or surface to be cleaned, and a heating device for heating and/or tempering and/or evaporating the cleaning fluid. The cleaning apparatus can easily be supplied with energy for heating and/or tempering and/or evaporating the cleaning fluid, and the apparatus can be operated cordlessly.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: May 8, 2018
    Assignee: Carl Freudenberg KG
    Inventors: Uwe Dingert, Norbert Weis, Mike Kosub, Tomaso Cascione
  • Patent number: 9955842
    Abstract: A flat wiping cloth for a wiping cloth holder includes an elongated base. The elongated base includes a main cleaning surface and a sheetlike textile material. The sheetlike textile material does not include a base fabric with threads attached to the main cleaning surface. At least one cleaning lip is formed on the elongated base. The at least one cleaning lip is swivelable relative to the elongated base about a swiveling region.
    Type: Grant
    Filed: March 19, 2013
    Date of Patent: May 1, 2018
    Assignee: CARL FREUDENBERG KG
    Inventors: Andreas Eisenhut, Ulla Reiman, Ari Saari, Dennis Smeijer
  • Patent number: 9956733
    Abstract: A method for producing a sealing bellows, involving (1) vulcanizing a sealing bellows having clamping elements integrated into the sealing region and into the attachment region (2) and having a substantially cylindrical casing, thereby forming the sealing bellow; (2) interrupting the vulcanizing after the mold cavity has been filled and after attaining dimensional stability of the sealing bellows and then releasing the sealing bellows from the mold; (3) introducing the sealing bellows having a substantially cylindrical casing into a heated blowing mold having a substantially spherical cavity and sealing the blowing mold in an airtight manner; (4) subjecting the interior of the sealing bellows to a relative excess pressure such that the casing is applied against a wall delimiting the cavity of the blowing mold; and (5) completely curing the sealing bellows, then opening the blowing mold to release the sealing bellows from the mold.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: May 1, 2018
    Assignee: Carl Freudenberg KG
    Inventor: Nedal Idies
  • Patent number: 9951870
    Abstract: A wiper for the sealing arrangement of a cylinder arrangement having a cylinder and a piston rod, having a support lip facing in the direction of the space that is to be sealed off, and a wiper lip facing towards the surroundings, as well as a holding element from which the support lip and the wiper lip protrude, wherein the free end of the wiper lip is bent in the direction of the piston rod.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: April 24, 2018
    Assignee: CARL FREUDENBERG KG
    Inventors: Kristian Mueller-Niehuus, Hans-Werner Guenther
  • Patent number: 9932056
    Abstract: A cleaning cart has a base plate and a working plate arranged at a vertical distance above the base plate, wherein the base plate and the working plate are connected to each other by a linkage arranged in the vertical distance. The linkage is formed by at least two struts extending non-parallel to each other.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: April 3, 2018
    Assignee: Carl Freudenberg KG
    Inventors: Andreas Eisenhut, Christoph Zimmermann, Bruno Meier, Christian Thoma
  • Patent number: 9915347
    Abstract: A cassette seal having an internal ring with a cylindrical portion; a cover portion radially projecting from the cylindrical portion, and a covering portion axially projecting from the cover portion, wherein the covering portion is radially spaced from the cylindrical portion, and an external ring with axial flange, and a radial flange projecting in the internal ring direction, with a sealing body of an elastomeric material associated with the axial flange, wherein from the sealing body sealing lips are formed, wherein a first sealing lip with radial preload sealingly rests against the cylindrical portion's outer circumference, wherein a second sealing lip axially projects from the radial flange and extends in the direction of the covering portion's side facing the cylindrical portion, wherein a third sealing lip axially projects beyond the radial flange and on the outer circumference at least partly projects beyond the covering portion.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: March 13, 2018
    Assignee: CARL FREUDENBERG KG
    Inventors: Stefano Miletto, Luca Breusa, Francesco Vignolo, Pasquale Angiulli, Antonio Turaglio
  • Publication number: 20180008743
    Abstract: The present invention is directed to novel non-woven fabrics containing growth and differentiation factor proteins. Said fabrics are specifically designed to accelerate tissue regeneration and wound healing processes of mammalian tissues. Furthermore, the invention provides wound dressings, pads or implants comprising the novel non-woven fabrics.
    Type: Application
    Filed: September 6, 2017
    Publication date: January 11, 2018
    Applicants: BIOPHARM GESELLSCHAFT ZUR BIOTECHNOLOGISCHEN ENTWI CKLUNG VON PHARMAKA MBH, CARL FREUDENBERG KG
    Inventors: Frank Plöger, Denis Reibel, Dirk Grafahrend, Daniel Neumüller
  • Patent number: 9863829
    Abstract: A sensor has an electronic chip and a sensor chip which are arranged within a functional volume which is at the most 4-5 mm long, a maximum 2-3 mm wide, and the maximum height is 0.5-0.8 mm, thereby potentially providing a compact sensor.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: January 9, 2018
    Assignees: CARL FREUDENBERG KG, EDC ELECTRONIC DESIGN CHEMNITZ GMBH
    Inventors: Thomas Caesar, Renate Tapper, Steffen Heinz, Marco Neubert
  • Patent number: 9856916
    Abstract: A seal having a substantially H-shaped sealing profile.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: January 2, 2018
    Assignee: CARL FREUDENBERG KG
    Inventors: Roland Fietz, Andreas Palmer
  • Patent number: D822923
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: July 10, 2018
    Assignee: Carl Freudenberg KG
    Inventor: Luca Casini
  • Patent number: D823561
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: July 17, 2018
    Assignee: Carl Freudenberg KG
    Inventor: Luca Casini
  • Patent number: D824627
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: July 31, 2018
    Assignee: Carl Freudenberg KG
    Inventor: Alessandro Brugora