Patents by Inventor Oliver Steffen

Oliver Steffen 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: 8507633
    Abstract: A process for the preparation of thermoplastic polyurethane by reacting (a) isocyanates with (b) compounds reactive toward isocyanates and having a molecular weight (Mw) of from 500 to 10 000 g/mol and (c) chain extenders having a molecular weight of from 50 to 499 g/mol, if appropriate in the presence of (d) catalysts and/or (e) conventional additives, wherein the chain extender mixture consisting of a main chain extender (c1) and one or more co-chain extenders (c2) is used and the thermoplastic polyurethane prepared has a rigid phase fraction of greater than 0.40, the rigid phase fraction being defined by the following formula: rigid ? ? phase ? ? fraction = { ? x = 1 k ? [ ( m KVx / M KVx ) * M Iso + m KVx ] } / m ges with the following meanings: MKVx: molar mass of the chain extender x in g/mol mKVx: mass of the chain extender x in g MIso: molar mass of the isocyanate used in g/mol mges: total mass of all starting materials in g k: number of chain extenders.
    Type: Grant
    Filed: April 11, 2007
    Date of Patent: August 13, 2013
    Assignee: BASF Aktiengesellschaft
    Inventors: Oliver Steffen Henze, Ruediger Krech, Frank Prissok, Karin Scheffer, Frank Schaefer, Heinrich Niermann
  • Patent number: 8474853
    Abstract: An apparatus for attaching a climbing skin to a ski or snowboard is provided as are kits and climbing skins joined to such apparatus. Included is an apparatus for attaching a climbing skin to a front portion of a ski or snowboard, the front portion including ski sides which converge toward a front end of the ski or snowboard, the apparatus including: (i) opposing first and second holders, each holder being configured to receive one of the converging ski sides; and (ii) a connector between the first and second holders which includes at least one hinge. Also included is a kit including the apparatus and a climbing skin. Also included is a climbing skin having a fastener, the fastener including a portion which is retained between layers of the skin and one or more portions which extend from the skin for attachment of the skin to a ski or snowboard.
    Type: Grant
    Filed: November 28, 2007
    Date of Patent: July 2, 2013
    Assignee: G3 Genuine Guide Gear Inc.
    Inventors: James William Rogers, Cameron Shute, Oliver Steffen
  • Publication number: 20130051899
    Abstract: A detent fitting for latching two vehicle parts is provided. The detent fitting comprising a first fitting part, a second fitting part rotatably arranged about an axis of rotation relative to the first fitting part, at least one locking bolt shiftably arranged on the first fitting part, which is formed and provided to be brought in engagement with a toothing of the second fitting part for latching the first fitting part and the second fitting part and to be brought out of engagement with the toothing of the second fitting part for releasing the latching, at least one guide element arranged on the first fitting part for guiding the at least one locking bolt, and at least one bearing element arranged on the first fitting part and different from the at least one guide element, which for supporting the first fitting part on the second fitting part slidingly cooperates with the second fitting part.
    Type: Application
    Filed: March 10, 2011
    Publication date: February 28, 2013
    Inventors: Frank Fassbender, Oliver Steffen
  • Patent number: 8356531
    Abstract: An actuating element for a lordosis supporting device driven by a traction rope and a lordosis supporting element in a vehicle seat are provided. The actuating device includes a deflecting element that is mounted on a frame such that it is pivotable about an actuating shaft and includes a rope guiding element that is arranged with the fastening point and the deflecting element in such a way that a rope portion leading toward the deflecting element and a rope portion leading away from the deflecting element are guided approximately parallel in a starting position. In preferred embodiments, a fixed end of the traction rope is fastened to the frame at a fastening point and a free end of the traction rope is guided at least partially around the deflecting element for actuating the device.
    Type: Grant
    Filed: July 7, 2006
    Date of Patent: January 22, 2013
    Assignee: Brose Fahrzeugteile GmbH & Co.
    Inventors: Oliver Steffen, Guido Neumann
  • Patent number: 8328288
    Abstract: A detent fitting for locking two vehicle parts comprises a first vehicle part, a second vehicle part which is arranged pivotably about a rotational axis with respect to the first fitting part and three locking pawls which are arranged displaceably on the first fitting part, the locking pawls being designed and provided to be brought into engagement with a toothing of the second fitting part for locking the first fitting part with respect to the second fitting part and to be brought out of engagement with the toothing of the second fitting part for releasing the locking. Each locking pawl is associated with a free-pivoting section on the second fitting part, the locking pawl interacting with the free-pivoting section when turning the second fitting part relative to the first fitting part and the free-pivoting section being designed and provided to prevent an engagement of the locking pawl with the toothing of the second fitting part in a predefined angular range.
    Type: Grant
    Filed: May 18, 2010
    Date of Patent: December 11, 2012
    Assignee: Brose Fahrzeugteile GmbH & Co. KG, Coburg
    Inventors: Frank Fassbender, Oliver Steffen
  • Patent number: 8318868
    Abstract: Thermoplastic polyurethane (i) comprising from 20% by weight to 70% by weight of isocyanate dissolved in the thermoplastic polyurethane, based on the total weight of the thermoplastic polyurethane (i) comprising the isocyanates.
    Type: Grant
    Filed: April 22, 2011
    Date of Patent: November 27, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Oliver Steffen Henze, Rolf Steinberger, Ruediger Krech, Norbert Pohlmann, Christian Beckmann, Joern Duwenhorst
  • Patent number: 8226168
    Abstract: A fitting for a vehicle seat is provided having a first fitting part, a second fitting part which is rotatable about an axis of rotation relative to the first fitting part, a locking bolt which is guided displaceably in a radical direction of displacement on the first fitting part and is intended for forming a locking mechanism with the second fitting part, and a driving element which is arranged movably between the fitting parts and is intended for the radical deployment and retrieving of the locking bolt. In order to seal the respective axial gap between the driving element and the fitting parts, a separate sealing component which provides a seal in relation to the axis of rotation is used. In the case of a fitting of this type, paint is prevented from penetrating via a central opening during a dip-coating process.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: July 24, 2012
    Assignee: Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Coburg
    Inventors: Oliver Steffen, Frank Fassbender
  • Patent number: 8201887
    Abstract: A fitting is provided that has a first fitting part and a second fitting part that can be rotated about a rotation axis relative to the first fitting part, wherein both fitting parts are held rotatably to one another in the axial direction by means of a retaining ring. For this purpose, a retaining ring overlaps the second fitting part in the axial direction, and is firmly connected to the second fitting part at that location, and pretensions the first fitting part against the second fitting part by means of a stop that is tilted inward against the radial direction. Such a fitting can be produced in a particularly cost-effective manner.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: June 19, 2012
    Assignee: Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Coburg
    Inventors: Michael Zellmann, Oliver Steffen, Frank Fassbender
  • Patent number: 8201888
    Abstract: A fitting is specified, in particular for a vehicle seat, which has a first fitting part and a second fitting part that is rotatable around a rotary axis relative to the first fitting part, and which has at least one safety bolt that is movably guided in the radial direction on the first fitting part for the purpose of forming an interlock with the second fitting part. According to a first variant, at least one rotatable actuating cam is provided for radially supporting the safety bolt, which has outer, middle and inner support surfaces running in the circumferential direction, the support surfaces each having a radial offset relative to each other, and the step between the middle and the outer support surfaces forming a stop against the safety bolt. According to a further variant, fitting has an engagement means for retracting the safety bolt, which is designed as a link guiding the safety bolt, which includes a radial limiting surface that acts as a stop in interaction with the safety bolt.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: June 19, 2012
    Assignee: Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft
    Inventors: Frank Fassbender, Oliver Steffen
  • Publication number: 20120088889
    Abstract: The invention relates to polyurethanes based on a thermoplastic polyurethane and an isocyanate concentrate having a functionality greater than 2 and less than 10 added to the thermoplastic polyurethane, wherein the hard phase content of the thermoplastic polyurethane is in the range from 0% to 5% and the isocyanate concentrate is added in an amount of at least 2% by weight based on the polyurethane PU-1.
    Type: Application
    Filed: June 22, 2010
    Publication date: April 12, 2012
    Applicant: BASF SE
    Inventors: Marine Boudou, Frank Prissok, Oliver Steffen Henze, Alfons Bertels
  • Publication number: 20120057926
    Abstract: An apparatus, in particular for a vehicle seat, comprising a fitting and at least one adapter plate connected with the fitting, is provided. The fitting comprises a first fitting part and a second fitting part rotatable about an axis relative to the first fitting part. The adapter plate is firmly connected with the first fitting part by means of at least one welding seam. The adapter plate includes at least one region which has a reduced wall thickness, and the welding seam is formed in the region of reduced wall thickness in the adapter plate.
    Type: Application
    Filed: March 10, 2010
    Publication date: March 8, 2012
    Inventors: Frank Fassebender, Oliver Steffen, Michael Zellmann
  • Publication number: 20120019037
    Abstract: The invention relates to a motor vehicle seat comprising a seat sub-frame adjustable along a rail longitudinal guide to which a backrest is hinged in a pivoting manner and can be folded forward toward a seating surface of the seat sub-frame, a locking device for arresting the rail longitudinal guide in an adjustable seating longitudinal position, an entry aid by means of which the locking device is released, when the backrest is folded forward to the seating surface and a memory arrangement for adjusting and restoring a memory position having a position memory that has an adjustment means for adjusting the memory position in the rail longitudinal direction of the rail longitudinal guide and a locking element that is connected to the adjustment means in a pivoting manner that under the effect of a control element can be pivoted in a locking rail for locking the adjusted memory position and pivoted out of the locking rail for adjusting a memory position and is connected to the adjustment means via a slotted gui
    Type: Application
    Filed: February 24, 2010
    Publication date: January 26, 2012
    Inventors: Nick Röhnert, Wolfgang Suck, Marco GleissBerg, Oliver Steffen, Guido Neumann
  • Publication number: 20120009007
    Abstract: A latch fitting for locking two components includes a first fitting part and a second fitting part. At least one locking bolt is movably arranged on the first fitting part and is guided on at least one longitudinally extended guide element along an adjustment track. The guide element includes an end that faces toothing of the second fitting part. A drive element is coupled to the at least one locking bolt for moving the at least one locking bolt along the adjustment track to lock the latch fitting with the toothing of the second fitting part. The at least one guide element includes a stop for limiting the adjustment track of the at least one locking bolt when moving the at least one locking bolt against the locking direction.
    Type: Application
    Filed: July 1, 2011
    Publication date: January 12, 2012
    Inventors: Frank Fassbender, Oliver Steffen
  • Publication number: 20110275779
    Abstract: The invention relates to thermoplastic polyurethanes (hereinafter TPUs) suitable for the production of optical conductors, to a process for their production, and also to optical conductors based on TPUs.
    Type: Application
    Filed: December 16, 2009
    Publication date: November 10, 2011
    Applicant: BASF SE
    Inventors: Frank Prissok, Joern Duwenhorst, Oliver Steffen Henze, Oliver Muehren
  • Publication number: 20110245449
    Abstract: The invention relates to an improved method of melt adhesive bonding on the basis of a thermoplastic polyurethane using a thermoplastic polyurethane (TPU) obtainable from essentially a symmetrical aliphatic diisocyanate A and at least one isocyanate-reactive compound B comprising hydroxyl and/or amino groups as an adhesive, wherein the number-average molecular weight (Mn) of compound B is at least 2200 g/mol, with the proviso that it is at least 950 g/mol if compound B is a sebacic ester, diisocyanate A and at least one isocyanate-reactive compound B are reacted in the presence of a catalyst for the polyaddition reaction, the TPU comprises no chain extender, the TPU has an index IN of less than 1000, preferably of less than 990, and more preferably of less than 980, and melt adhesive bonding by the TPU in melt state takes place at a temperature from 50° C. to 160° C. in the absence of solvents, and to substrates bonded therewith.
    Type: Application
    Filed: March 28, 2011
    Publication date: October 6, 2011
    Applicant: BASF SE
    Inventors: Marine BOUDOU, Oliver Steffen Henze, Dirk Kempfert
  • Publication number: 20110193256
    Abstract: Thermoplastic polyurethane (i) comprising from 20% by weight to 70% by weight of isocyanate dissolved in the thermoplastic polyurethane, based on the total weight of the thermoplastic polyurethane (i) comprising the isocyanates.
    Type: Application
    Filed: April 22, 2011
    Publication date: August 11, 2011
    Applicant: BASF Aktiengesellschaft
    Inventors: Oliver Steffen Henze, Rolf Steinberger, Rüdiger Krech, Norbert Pohlmann, Christian Beckmann, Jörn Duwenhorst
  • Publication number: 20110190407
    Abstract: The use of at least one diphosphine of formula (I), wherein X is S or O; n is 0 or 1; R1, R2, R3, R4 are independently C1-C10-alkyl, C1-C10-hydroxyalkyl, C1-C10-alkoxy, C1-C10-hydroxyalkoxy, C3-C10-cycloalkyl, C3-C10-cycloalkoxy, C6-C10-aryl, C6-C10-aryloxy, C6-C10-aryl-C1-C4-alkyl, C6-C10-aryl-C1-C4-alkoxy, C6-C10-hydroxy-aryl, C6-C10-hydroxy-aryloxy, C1-C10-thioalkyl, C6-C10-thioaryl or C1-C4-thioalkyl-C6-C10-aryl, NR5R6, COR2, COOR5 or CONR5R6; R5, R6 are H, C1-C10-alkyl, C3-C10-cycloalkyl, C6-C10-aryl or C6-C10-aryl-C1-C4-alkyl; as a flame retardant in a polyurethane material is provided.
    Type: Application
    Filed: January 31, 2011
    Publication date: August 4, 2011
    Applicant: BASF SE
    Inventors: Marco Balbo Block, Jens Ferbitz, Oliver Steffen Henze, Christoph Fleckenstein, Klemens Massonne
  • Publication number: 20110101756
    Abstract: A fixture arrangement for a seat, in particular for a vehicle seat, is provided. The fixture arrangement comprising a first and a second fixture each of which comprises a first and a second driving element, each of which has a cavity with an internal contour, and a shaft connecting the two fixtures and an adjusting element for operating the fixtures The shaft has a first end with an external contour to be positively inserted into the first driving element and a second, in particular cylindrical end. In an intermediate mounted position the second driving element, the second end of the shaft and the adjusting element can be positioned in any rotational position. Means for fixation of the rotational position are provided between the shaft, the second driving element and the adjusting element so that in a final mounted position the two driving elements, the shaft and the adjusting element are connected with each other in a rotationally fixed manner.
    Type: Application
    Filed: May 18, 2009
    Publication date: May 5, 2011
    Inventors: Frank Fassbender, Oliver Steffen
  • Publication number: 20110089735
    Abstract: A fitting for a vehicle seat is provided having a first fitting part, a second fitting part which is rotatable about an axis of rotation relative to the first fitting part, a locking bolt which is guided displaceably in a radical direction of displacement on the first fitting part and is intended for forming a locking mechanism with the second fitting part, and a driving element which is arranged movably between the fitting parts and is intended for the radical deployment and retrieving of the locking bolt. In order to seal the respective axial gap between the driving element and the fitting parts, a separate sealing component which provides a seal in relation to the axis of rotation is used. In the case of a fitting of this type, paint is prevented from penetrating via a central opening during a dip-coating process.
    Type: Application
    Filed: November 16, 2010
    Publication date: April 21, 2011
    Inventors: Oliver STEFFEN, Frank FASSBENDER
  • Patent number: 7915372
    Abstract: Thermoplastic polyurethane comprising the reaction product of an isocyanate (a) with a compound (i) having at least one group which is reactive toward isocyanates and also at least two organosilicon groups.
    Type: Grant
    Filed: August 4, 2005
    Date of Patent: March 29, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Oliver Steffen Henze, Sabine Peters