Patents Assigned to Carl Freudenberg
  • Sealing arrangement and sealing ring
    Patent number: 10648568
    Abstract: A sealing arrangement includes: a sealing ring having at least one dynamically loaded sealing lip, the sealing ring including a core comprised of an electrically conductive material and a casing comprised of an electrically insulating material, the casing having a material thickness, surrounding the core at least in part and including the sealing lip; a machine element to be sealed that has a surface to be sealed, which surface is electrically conductive and surrounded by the sealing lip in a radially prestressingly sealing manner; and a wear detector, which has an electric measurement device for detecting a state of wear of the sealing ring. When viewed in section, the material thickness of the sealing lip is smaller in a radial direction than the material thickness of a remainder of the casing.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: May 12, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Olaf Nahrwold, Stefan Sindlinger, Frank Lauer, Boris Traber, Jasmin Menzel, Thomas Kramer
  • Bioresorbable nonwoven fabric made of gelatin
    Patent number: 10624985
    Abstract: A nonwoven fabric includes fibers of a fiber raw material including gelatin, the fibers including at least one of an antimicrobially effective substance and an antibiotic, wherein the fibers are produced by rotational spinning.
    Type: Grant
    Filed: September 17, 2008
    Date of Patent: April 21, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Denis Reibel, Claudio Walter, Bernd Altmueller
  • Sealing ring and the use thereof
    Patent number: 10612662
    Abstract: A sealing ring which, when viewed in cross section, is formed in the shape of a 7, has a first axial leg and a sealing leg that has a sealing lip, the sealing leg being connected to a first end face of the axial leg by means of a joint, and has a clamping element for stabilizing the sealing leg in the radial direction. The clamping element is annular and, when viewed in cross section, is formed by a 7-shaped spring, and has a second axial leg and a stabilizing leg, the second axial leg being connected to the first axial leg and the stabilizing leg being connected to the sealing leg.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: April 7, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Kristian Mueller-Niehuus, Hans-Werner Guenther, Frank Schoenberg
  • Frame for electrochemical cells
    Patent number: 10593987
    Abstract: A frame can be mounted easily in an arrangement and which protects the cells received in the arrangement in as optimum manner as possible with high operational suitability, a frame for fixing cells, has a frame body, in which at least one cooling duct for a cooling medium is configured, wherein the frame has at least one plug-in piece for connecting to another frame, wherein the cooling duct runs at least partially within the plug-in piece.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: March 17, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Peter Kritzer, Olaf Nahrwold, Rudolf Gattringer
  • Flange seal and sealing arrangement comprising a flange seal of this type
    Patent number: 10591097
    Abstract: A flange seal has a support body of a tough, hard material, and a sealing element of a rubbery-elastic material, that are interconnected in a single piece, the sealing element having a sealing edge that can be exposed to a medium to be sealed in a chamber to be sealed. In the state resulting from manufacture, the sealing element has cavities in the region of the sealing edge, which cavities vary in volume during use of the flange seal as intended.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: March 17, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Olaf Nahrwold, Christian Geubert, Frank Menzenhauer, Peter Kritzer, Frank Lauer
  • Pressure-compensation device for a housing
    Patent number: 10557561
    Abstract: A pressure-compensation device for a housing includes: an inner side; an outer side; and a lattice-like cage having a gas opening. The gas opening connects the inner side and the outer side in a flow-conducting manner and is restricted, in a through-flow direction of the gas opening, by an inner edge and an outer edge. The gas opening is covered by a gas-permeable membrane. The membrane comprises a nonwoven-fabric composite part and has at least one nonwoven-fabric layer.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: February 11, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Christian Kleinke, Christopher Schaefer, Peter Kritzer
  • Draining device for a wet cleaning apparatus and preassembled unit comprising the draining device
    Patent number: 10524632
    Abstract: A draining device for a wet cleaning apparatus has a watering device for the wet cleaning apparatus as well as a rotatable drainage basket for the wet cleaning apparatus; the watering device includes a fresh water reservoir which can be filled with fresh water and which is fluidically connected to the drainage basket via a fresh water duct.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: January 7, 2020
    Assignee: CARL FREUDENBERG KG
    Inventor: Uwe Dingert
  • Asymmetrical separator
    Patent number: 10483513
    Abstract: A separator for a battery includes a base having an anode side configured to contact an anode of the battery and a cathode side configured to contact a cathode of the battery. The anode side has a different material consistency than the cathode side.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: November 19, 2019
    Assignee: CARL FREUDENBERG KG
    Inventors: Christoph Weber, Michael Roth
  • Thermofusible sheet material
    Patent number: 10472751
    Abstract: A thermofusible sheet material which can be used as a fusible interlining in the textile industry, has a carrier layer made from a textile material to which a polyurethane foam coating is applied. The polyurethane foam has a pore structure in which more than 50% of the pores have a diameter, measured according to DIN ASTM E 1294, which is in the range of 5 to 30 ?m.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: November 12, 2019
    Assignee: CARL FREUDENBERG KG
    Inventors: Steffen Traser, Steffen Kremser
  • Element for manipulating light
    Patent number: 10472770
    Abstract: A wet-laid nonwoven having a1) 5-50 wt % matrix fibers and a2) 50-95 wt % at least partially thermally fused binding fibers or b1) 50-80 wt % matrix fibers and b2) 20-50 wt % binders, can be used as a light distributing element.
    Type: Grant
    Filed: March 3, 2015
    Date of Patent: November 12, 2019
    Assignee: CARL FREUDENBERG KG
    Inventors: Rudolf Wagner, Guenter Frey, Klaus Marek, Armin Greiner, Jochen Bialek
  • Toilet plunger
    Patent number: 10443221
    Abstract: A resiliently deformable toilet plunger including a generally cup-shaped bell portion having an interior space. A socket is formed on the bell portion. A flange portion extends from the bell portion opposite the socket and includes an open end. The flange portion defines an arcuate tapering tubular passage wherein the interior space communicates with the open end. An annular skirt is formed at a junction of the bell portion and the flange portion, the skirt including a base portion attached to the bell portion and a terminal end opposite the base portion, the skirt extending outwardly from the junction and at an angle such that the terminal end is below a plane defined by the junction, wherein the angle is from about 20° to about 70°.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: October 15, 2019
    Assignee: CARL FREUDENBERG KG
    Inventors: Doug Metzel, Conrad Alfaro
  • Sealing arrangement and use thereof
    Patent number: 10408351
    Abstract: In an embodiment, the present invention provides a sealing arrangement for sealing two chambers that are adjacent to one another in an axial direction and are to be sealed with respect to one another, including: a first machine element; a second machine element, the second machine element surrounding the first machine element with a radial spacing therebetween, the sealing ring being arranged in the gap formed by the radial spacing; and a sealing ring, the sealing ring including at least one dynamically loaded first sealing lip, which sealingly surrounds a surface to be sealed of the first machine element, the sealing ring being arranged in an installation chamber of the second machine element and the sealing ring comprising a first and a second end face, the first end face axially facing the first chamber to be sealed and the second end face axially facing the second chamber to be sealed.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: September 10, 2019
    Assignee: CARL FREUDENBERG KG
    Inventors: Juergen Emig, Simon Watling, Matt Billany, Paul Waddell, Ross Dixon
  • Thermally fusible sheetlike structure and method for production thereof
    Patent number: 10407809
    Abstract: A thermally fusible sheetlike structure, especially usable as fusible interlining in the textile industry, has a carrier ply made from a textile material to which has been applied a two-ply adhesive composition structure comprising an underlayer directly adjoining the sheetlike structure and an overlayer disposed upon the underlayer, wherein the underlayer contains a first hotmelt adhesive and the overlayer a second hotmelt adhesive, wherein the first hotmelt adhesive has a melting point of >140° C. and a melt flow index (MFI) value of >50 g/10 minutes (190° C./2.16 kg) and the second hotmelt adhesive a melting point of <145° C. and an MFI value of <50 (190° C./2.16 kg).
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: September 10, 2019
    Assignee: CARL FREUDENBERG KG
    Inventors: Steffen Traser, Steffen Kremser
  • String mop
    Patent number: D861273
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: September 24, 2019
    Assignee: CARL FREUDENBERG KG
    Inventor: Diana Thyson
  • Cleaning pad with pattern
    Patent number: D862091
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: October 8, 2019
    Assignee: CARL FREUDENBERG KG
    Inventor: Diana Thyson
  • Surface pattern applied to a towel
    Patent number: D862126
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: October 8, 2019
    Assignee: CARL FREUDENBERG KG
    Inventor: Christoph Rieger
  • Floor cleaning device
    Patent number: D869793
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: December 10, 2019
    Assignee: CARL FREUDENBERG KG
    Inventor: Luca Casini
  • Robot cleaner
    Patent number: D871694
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: December 31, 2019
    Assignee: CARL FREUDENBERG KG
    Inventors: Luca Casini, Johannes Flath
  • Mop handle
    Patent number: D875339
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: February 11, 2020
    Assignee: Carl Freudenberg KG
    Inventor: Heiko Tullney
  • Mop head
    Patent number: D884299
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: May 12, 2020
    Assignee: CARL FREUDENBERG KG
    Inventor: Diana Thyson