Patents by Inventor Norbert Hahn
Norbert Hahn 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).
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Patent number: 8662535Abstract: Restraints for restraining a vehicle at a loading dock are described. An example restraint described herein includes a brace movable between a holding position and a release position. A first portion of the brace engages a supporting portion of the vehicle and a second portion of the brace engages a non-movable location at the loading dock to restrain the vehicle relative to the loading dock when the brace is in the holding position. For the holding position, the first portion of the brace moves in one direction underneath the vehicle to engage the supporting portion and the second portion moves in a second direction underneath the vehicle to engage the non-movable location. The first and second portions retract to allow the vehicle to move relative to the loading dock when the brace is in the release position.Type: GrantFiled: March 28, 2011Date of Patent: March 4, 2014Assignee: Rite-Hite Holding CorporationInventors: Jonathan Andersen, Ben Wieberdink, Timothy Cotton, Pamala Pietrangelo, Kurt Lessard, Norbert Hahn, Henk De Lang
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Patent number: 8590673Abstract: A wheel restraint includes a wheel chock that is manually movable between a retracted position clear of a wheel of a vehicle at a loading dock and an operative position to block the path of the wheel. In the retracted position, the chock can be manually moved freely along a track that is mounted to a driveway of the dock. When the chock is manually moved from its retracted position to its operative position, a locking feature automatically restricts the movement of the chock relative to the track. When the chock is manually moved back to its retracted position, the locking feature automatically disengages. Although the wheel chock is connected to a track, most of the force exerted by the wheel against the chock is transmitted directly from the chock to the driveway.Type: GrantFiled: February 5, 2008Date of Patent: November 26, 2013Assignee: Rite-Hite Holding CorporationInventors: Jonathan Andersen, Timothy Cotton, Norbert Hahn, Joseph A. Manone, Kyle E. Nelson, Reinhard E. Sander
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Publication number: 20130296450Abstract: The present invention relates to a process for the preparation of polyether carbonate polyols with primary hydroxyl end groups, comprising the steps of reaction of a starter compound containing active hydrogen atoms with an epoxide and carbon dioxide under double metal cyanide catalysis, reaction of the product obtained with a cyclic carboxylic acid anhydride and reaction of this product obtained with ethylene oxide in the presence of a catalyst which contains at least one nitrogen atom per molecule, excluding non-cyclic tertiary amines with identical substituents. The invention furthermore relates to polyether carbonate polyols obtainable by this process, compositions comprising these polyether carbonate polyols and polyurethane polymers based on these polyether carbonate polyols.Type: ApplicationFiled: December 12, 2011Publication date: November 7, 2013Applicant: Bayer Intellectual Property GmbHInventors: Jörg Hofmann, Christoph Gürtler, Hartmut Nefzger, Norbert Hahn, Klaus Lorenz, Thomas Ernst Müller
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Publication number: 20130292214Abstract: An example wheel restraint includes a track to be positioned adjacent a vehicle approach path of a loading dock. A shuttle is pivotally coupled to the track via a track follower and pivots between a home position and a deployed position about a shuttle axis substantially parallel to and offset relative to a longitudinal axis of the track. A barrier is pivotally coupled to the shuttle and pivots between a non-blocking position and a blocking position about a pivot axis substantially parallel to and spaced apart from the longitudinal axis of the track such that the shuttle rotates in a first direction about the shuttle axis when the shuttle moves from the home position to the deployed position and bather rotates in a second direction about the pivot axis when the barrier moves from the non-blocking position to the blocking position, where the first direction being different than the second direction.Type: ApplicationFiled: July 3, 2013Publication date: November 7, 2013Inventors: Andrew Brooks, Benjamin Wieberdink, Bradley J. Stone, Kurt Lessard, Norbert Hahn, Timothy Cotton
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Publication number: 20130261203Abstract: The present invention relates to a method for producing flexible polyurethane foams, wherein an isocyanate component (component B) which comprises fatty acid derivatives comprising hydroxyl groups is used as starting substance. The flexible polyurethane foams according to the invention have a bulk density according to DIN EN ISO 3386-1-98 in the range of ?10 kg/m3 to ?150 kg/m3, preferably ?20 kg/m3 to ?70 kg/m3, and in general their compressive strength according to DIN EN ISO 3386-1-98 is in the range of ?0.5 kPa to ?20 kPa (at 40% deformation and 4th cycle). The invention also provides an NCO-terminated prepolymer comprising urethane groups obtainable by reaction of one or more polyisocyanates (B1) with one or more fatty acid derivatives comprising hydroxyl groups (B2).Type: ApplicationFiled: November 18, 2011Publication date: October 3, 2013Applicant: Bayer Intellectual Property GmbHInventors: Norbert Hahn, Sven Meyer-Ahrens, Gundolf Jacobs, Bernd Dohmen
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Patent number: 8499897Abstract: An example wheel restraint includes a wheel chock that is manually movable between a retracted or release position clear of a wheel of a vehicle at a loading dock and an operative position to block the path of the wheel. In the release position, the chock can be manually moved freely along a track that is mounted to a driveway of the dock. When the chock is manually moved from its release position to its operative position, a locking feature automatically restricts the movement of the chock relative to the track. When the chock is manually moved back to its release position, the locking feature automatically disengages. Although the wheel chock is connected to a track, much of the force exerted by the wheel against the chock can be transmitted directly from the chock to the driveway.Type: GrantFiled: January 20, 2010Date of Patent: August 6, 2013Assignee: Rite-Hite Holding CorporationInventors: Andrew Brooks, Benjamin Wieberdink, Bradley J. Stone, Kurt Lessard, Norbert Hahn, Timothy Cotton
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Patent number: 8465245Abstract: A wheel restraint for restraining a vehicle at a loading dock includes a wheel chock suspended from a tether. The tether hangs from an overhead beam such that the wheel chock can be swung down and underneath the vehicle and placed directly in front of a wheel of the vehicle. A pin can be used to help hold the chock to an anchor that is fastened to a driveway of the loading dock. The orientation of the pin and the anchor holes in which the pin can be selectively inserted prevents the chock from tipping back and makes the restraint more tolerant of dirt, ice and other contaminants. In some examples, an offset between the beam and the wheel results in the tether urging the chock toward the anchor.Type: GrantFiled: April 8, 2009Date of Patent: June 18, 2013Assignee: Rite-Hite Holding CorporationInventors: Joseph Manone, Kyle Nelson, Norbert Hahn
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Patent number: 8443474Abstract: Example dock levelers installed at a vehicle loading dock include pivotal or otherwise vertically adjustable deck plates with special coatings on the deck's upper surface. In some examples, the coating improves traction and addresses various thermal issues, such as condensation and thermal strain between a polymeric coating and a steel deck plate. In some examples, when indoor and outdoor air create a temperature differential across opposite faces of the deck, the coating is designed such that a median temperature of the temperature differential occurs near an interface where the coating bonds to the steel plate's upper surface. In some examples, the coating includes particles of different sizes and colors embedded within and covered by a polymeric base material. As traffic abrades the coating, the different colored particles become exposed at different levels of wear, thereby providing a visual signal indicating when the coating needs to be touched up or replaced.Type: GrantFiled: October 21, 2011Date of Patent: May 21, 2013Assignee: Rite-Hite Holding CorporationInventors: Matthew Sveum, Norbert Hahn, Paul D. Mathews, Robert Maxey
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Publication number: 20130097787Abstract: Example dock levelers installed at a vehicle loading dock include pivotal or otherwise vertically adjustable deck plates with special coatings on the deck's upper surface. In some examples, the coating improves traction and addresses various thermal issues, such as condensation and thermal strain between a polymeric coating and a steel deck plate. In some examples, when indoor and outdoor air create a temperature differential across opposite faces of the deck, the coating is designed such that a median temperature of the temperature differential occurs near an interface where the coating bonds to the steel plate's upper surface. In some examples, the coating includes particles of different sizes and colors embedded within and covered by a polymeric base material. As traffic abrades the coating, the different colored particles become exposed at different levels of wear, thereby providing a visual signal indicating when the coating needs to be touched up or replaced.Type: ApplicationFiled: October 21, 2011Publication date: April 25, 2013Inventors: Matthew Sveum, Norbert Hahn, Paul D. Mathews, Robert Maxey
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Patent number: 8414230Abstract: A suction cup dust extractor for a drill having a housing with a drill collar attached to the housing and having a drill passage formed through the housing. A recess formed by the walls of the housing has a planar opening and a seal is attached to the walls of the recess which surrounds the planar opening and which, in use, locates against a work piece to create an air tight seal between the housing and the work piece. The housing also has an aperture located thereon through which air can pass; at least one first air passage formed within the housing which enables air to pass from the drill passage to the aperture; and at least one second air passage formed within the housing which enables air to pass from the recess to the aperture; characterized in that the seal comprises a base which is attached to the walls of the recess and a flange which is attached to and extends from the base at an oblique angle to the plane of the opening.Type: GrantFiled: December 13, 2010Date of Patent: April 9, 2013Assignee: Black & Decker Inc.Inventor: Norbert Hahn
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Patent number: 8234756Abstract: A handle housing for a handle for a power tool, the handle housing having a first housing part; and a second housing part adapted to be mounted to the first housing part and subjected to a bending stress when mounted to said first housing part, the said first and second housing parts defining a chamber for accommodating one or more components of the power tool.Type: GrantFiled: January 23, 2009Date of Patent: August 7, 2012Assignee: Black & Decker Inc.Inventors: Norbert Hahn, Frantisek Harcar
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Publication number: 20120196999Abstract: The present invention relates to a process for producing polyether polyols having primary hydroxyl end groups, comprising the steps of reacting a starter compound containing active hydrogen atoms with an epoxide under double metal cyanide catalysis, reacting the resulting product with a cyclic carboxylic anhydride and reacting this resulting product with ethylene oxide in the presence of a catalyst containing at least one nitrogen atom per molecule, excluding non-cyclic, identically substituted tertiary amines. The invention further relates to polyether polyols obtainable by this process, compositions containing said polyols and polyurethane polymers based on said polyols.Type: ApplicationFiled: June 30, 2010Publication date: August 2, 2012Applicant: Bayer MaterialScienceAGInventors: Hartmut Nefzger, Erika Bauer, Jörg Hofmann, Klaus Lorenz, Norbert Hahn
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Publication number: 20120177455Abstract: A suction cup dust extractor for a drill including a housing; a drill collar having a drill passage formed through it; a recess formed by the walls of the housing having an opening and which, in use, locates against a work piece to create a chamber; an aperture located on the housing through which air can pass; at least one first air passage formed within the housing which connects to the aperture; and at least one second air passage formed within the housing which enables air to pass from the recess to the aperture; the collar being releasably attachable to the housing, the at least one first air passage making fluid connection with the drill passage when it is attached to the housing to enable air to pass from the drill passage to the aperture.Type: ApplicationFiled: January 5, 2012Publication date: July 12, 2012Applicant: BLACK & DECKER INC.Inventor: Norbert HAHN
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Publication number: 20120177454Abstract: A suction cup dust extractor for a drill including a housing; a drill collar attached to the housing, having a drill passage formed through it; a recess formed by the walls of the housing having an opening and which, in use, locates against a work piece to create a chamber; an aperture located on the housing through which air can pass; and an air passage formed within the housing which enables air to pass from the drill passage to the aperture.Type: ApplicationFiled: January 5, 2012Publication date: July 12, 2012Applicant: BLACK & DECKER INC.Inventor: Norbert HAHN
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Patent number: 8162075Abstract: A powered hammer includes a body in which is disposed a motor and a hammer mechanism driven by the motor when the motor is activated. A tool holder is coupled to a front portion of the body and which is capable of holding a cutting tool. The hammer mechanism, when driven by the motor, is capable of imparting impacts to a cutting tool, when held by the tool holder. A handle is moveably coupled to a rear portion of the body for movement toward and away from the body along a tool axis of the tool holder. The handle includes a grip portion and first and second end connection sections coupled to opposite end portions of the grip portion. The first and second end connection sections are slideably mounted on first and second arms that project rearward from the body. A movement control mechanism is mounted inside the handle and coupled to the first and second arms and the handle.Type: GrantFiled: July 25, 2008Date of Patent: April 24, 2012Assignee: Black & Decker Inc.Inventors: Ana-Marie Roberts, Norbert Hahn, Ralf Seebauer
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Publication number: 20110306728Abstract: This invention relates to nitrile-free azo initiators for the preparation of polymer polyols and to the polymer polyols prepared therefrom. These novel polymer polyols comprise a base polyol, a preformed stabilizer and at least one ethylenically unsaturated monomer, in the presence of at least one free-radical polymerization initiator comprising as azo compound that is free of nitrile groups, and optionally, a polymer control agent. The process of preparing these polymer polyols is a continuous process comprising free-radically polymerizing a base polyol, a preformed stabilizer, and at least one ethylenically unsaturated monomer, in the presence of at least one free-radical polymerization initiator comprising as azo compound that is free of nitrile groups, and optionally, a polymer control agent.Type: ApplicationFiled: June 11, 2010Publication date: December 15, 2011Applicants: Bayer MaterialScience LLCInventors: Rick L. Adkins, Jiong England, Norbert Hahn
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Publication number: 20110243693Abstract: Example vehicle restraints engage various features of a vehicle to restrain the vehicle at a loading dock. Some example restraints reach over and around a vehicle's rear impact guard. Some example restraints engage a hole or opening in a vehicle bed. Some example restraints are a combination bumper and blocking member. Some example restraints are a combination blocking member and a dock leveler lip.Type: ApplicationFiled: March 31, 2010Publication date: October 6, 2011Inventors: Andrew Brooks, Ben Wieberdink, Bradley J. Stone, Jonathan Andersen, Kurt Lessard, Norbert Hahn, Pamala Pietrangelo, Timothy Cotton
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Patent number: D677547Type: GrantFiled: July 7, 2011Date of Patent: March 12, 2013Assignee: Black & Decker Inc.Inventors: Isabell Rosenau, Alexander Foerster, Norbert Hahn, Stefan Sell
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Patent number: D677548Type: GrantFiled: July 8, 2011Date of Patent: March 12, 2013Assignee: Black & Decker Inc.Inventors: Isabell Rosenau, Alexander Foerster, Norbert Hahn, Stefan Sell
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Patent number: D678028Type: GrantFiled: July 11, 2011Date of Patent: March 19, 2013Assignee: Black & Decker Inc.Inventors: Isabell Rosenau, Alexander Foerster, Norbert Hahn, Stefan Sell