Patents by Inventor Stefan A. Wolff
Stefan A. Wolff 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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Publication number: 20240118553Abstract: A partial beam splitter includes a substrate including a substrate material; and a coating arranged on at least one main surface of the substrate. Along a first direction which is parallel to a normal vector of the main surface, the substrate and all coatings having a total thickness. For a specific light beam having a specific wavelength within a range of 450 nm and 650 nm which is incident on the partial beam splitter along a second direction with an angle of 32° enclosed between a vector pointing in the first direction and a vector pointing in the second direction, the specific light beam after transmitting through the partial beam splitter has a phase having a phase difference of an absolute value of smaller than or equal to 30° compared to the case in which, under otherwise identical conditions, the partial beam splitter is replaced by a similar reference substrate.Type: ApplicationFiled: September 29, 2023Publication date: April 11, 2024Applicants: SCHOTT AG, SCHOTT Suisse SAInventors: Ulf Brauneck, Clemens Ottermann, Frank-Thomas Lentes, Frank Wolff, Stefan Weidlich
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Patent number: 10053038Abstract: A front carriage for a motor vehicle includes a bumper covering and a support structure, which supports the bumper covering. At least one support device supports the bumper covering against the support structure in the direction of the vehicle height (z) and enables a deformation movement of the bumper covering relative to the support structure in longitudinal vehicle direction (x) in the event of a crash.Type: GrantFiled: February 27, 2017Date of Patent: August 21, 2018Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Stefan Wolff
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Publication number: 20170247002Abstract: A front carriage for a motor vehicle includes a bumper covering and a support structure, which supports the bumper covering. At least one support device supports the bumper covering against the support structure in the direction of the vehicle height (z) and enables a deformation movement of the bumper covering relative to the support structure in longitudinal vehicle direction (x) in the event of a crash.Type: ApplicationFiled: February 27, 2017Publication date: August 31, 2017Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Stefan WOLFF
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Patent number: 9545953Abstract: An instrument panel for a vehicle is provided. The instrument panel has a visible side and a rear side. The rear side has at least one free-space portion and at least one fastening portion, and the instrument panel can be fastened in the fastening portion to a vehicle structure of the vehicle. The instrument panel comprises at least one foam body, and the foam body is formed to be elastically deformable. The foam body is arranged between the visible side and the rear side and forms elastically deformable regions on the visible side, and the foam body forms additional elastically deformable regions in the at least one free-space portion on the rear side.Type: GrantFiled: November 18, 2014Date of Patent: January 17, 2017Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Stefan Wolff, Joachim Schaefer, Stephan Walter
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Patent number: 9296428Abstract: A motor vehicle body is provided. The motor vehicle body includes a plate-like, three-dimensionally shaped cross member, of which a first flange supports a front, lower edge region of a windshield, and a second flange is supported against a structural element of the body. The cross member further encompasses a spacer that joins the two flanges and is elongated in the transverse direction of the vehicle, and which exhibits a sectional profile that extends horizontally along a straight line over the entire length of the cross member.Type: GrantFiled: December 3, 2012Date of Patent: March 29, 2016Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Stefan Wolff, Joachim Schaefer, Uwe Schmitz
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Publication number: 20160068316Abstract: The invention relates to a welded part (1) made from plastic between the flexible walls of a container, in particular of a bag, with a stub (3) which is formed integrally on the welded part at the top and forms a pouring channel which connects the upper pouring opening of the stub to the lower pouring channel region (3a) of the lower welded region (2), wherein a barrier layer (6) is arranged in the pouring channel, which barrier layer (6) is opened by a projection (8) of a closure cap (7) which can be screwed onto the stub (3), wherein the projection (8) of the closure cap (7), which projection (8) reaches into the pouring channel (4), is fastened to the barrier layer (6), as a result of which the barrier layer (6) is removed completely or partially when the closure cap (7) is screwed open.Type: ApplicationFiled: April 9, 2014Publication date: March 10, 2016Inventors: Stefan WOLFF, Ulrich FLEISCHER, Jean-Paul ROOSENDAAL, Frank RÖMER
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Patent number: 9056632Abstract: A motor vehicle has a windshield and a radiator tank assembly that acts on the lower edge of the windshield and exhibits a guide pad extending on an interior side of the windshield. The guide pad is divided into a central and two lateral sections. The lateral sections are more flexible than the central section during exposure to a pressure acting on the windshield from outside.Type: GrantFiled: March 5, 2013Date of Patent: June 16, 2015Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Joachim Schaefer, Uwe Schmitz, Stefan Wolff
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Publication number: 20150137550Abstract: An instrument panel for a vehicle is provided. The instrument panel has a visible side and a rear side. The rear side has at least one free-space portion and at least one fastening portion, and the instrument panel can be fastened in the fastening portion to a vehicle structure of the vehicle. The instrument panel comprises at least one foam body, and the foam body is formed to be elastically deformable. The foam body is arranged between the visible side and the rear side and forms elastically deformable regions on the visible side, and the foam body forms additional elastically deformable regions in the at least one free-space portion on the rear side.Type: ApplicationFiled: November 18, 2014Publication date: May 21, 2015Inventors: Stefan Wolff, Joachim Schaefer, Stephan Walter
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Patent number: 8979165Abstract: A motor vehicle having a windshield, A-pillars laterally enclosing the windshield and a window cross member connected to the A-pillars is provided. The window cross member supports a lower edge of the windshield in that it comprises a support section touching the windshield. The window cross member includes a point of action fastened to the A-pillar, which is offset in the direction of a surface normal of the windshield against the support section. The window cross member also includes a compressible section that connects the point of action with the support section.Type: GrantFiled: October 10, 2012Date of Patent: March 17, 2015Assignee: GM Global Technology Operations LLCInventors: Stefan Wolff, Uwe Schmitz, Joachim Schaefer
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Patent number: 8926002Abstract: A motor vehicle body includes, but is not limited to a front hood, a windshield rising from a rear edge of the front hood and a cross member substantially extending over the width of the windshield, of which a front edge supports a front lower edge of the windshield and a rear edge is supported on a structural element of the body. A top side of the cross member faces the passenger cell and a bottom side faces the engine compartment. Between the front edge and the rear edge the cross member comprises at least one first region, in which the top side is concavely curved in a section plane running in vehicle longitudinal direction and which yields to a load by intensifying the curvature along an apex line yielding towards the engine compartment and pivoting of two zones extending on both sides of the apex line towards each other.Type: GrantFiled: August 20, 2012Date of Patent: January 6, 2015Assignee: GM Global Technology Operations LLCInventors: Joachim Schaefer, Uwe Schmitz, Stefan Wolff, Stephan Walter
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Patent number: 8720978Abstract: A motor vehicle body with a front hood, a front window rising from a rear edge of the front hood, and an elongated cross member is provided. The elongated cross member includes a middle region curved channel-like in section in a vehicle longitudinal direction. A contact zone of the elongated cross member supports a lower edge of the front window and a longitudinal end supports the elongated cross member. A transition region is between the longitudinal end and the middle region and, in section in the vehicle longitudinal direction, is less curved than the middle region.Type: GrantFiled: January 17, 2013Date of Patent: May 13, 2014Assignee: GM Global Technology Operations LLCInventors: Joachim Schaefer, Uwe Schmitz, Stefan Wolff
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Publication number: 20130341968Abstract: A motor vehicle body is provided. The motor vehicle body includes a plate-like, three-dimensionally shaped cross member, of which a first flange supports a front, lower edge region of a windshield, and a second flange is supported against a structural element of the body. The cross member further encompasses a spacer that joins the two flanges and is elongated in the transverse direction of the vehicle, and which exhibits a sectional profile that extends horizontally along a straight line over the entire length of the cross member.Type: ApplicationFiled: December 3, 2012Publication date: December 26, 2013Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Stefan WOLFF, Joachim SCHAEFER, Uwe SCHMITZ
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Publication number: 20130341964Abstract: A motor vehicle body is provided. The motor vehicle body includes a front bonnet, a front window rising out of a rear margin of the front bonnet and a cross member extending in width direction of the front window. A front flange of the cross member supports a front lower margin of the front window, a rear flange being supported on a structural element of the body, and a first intermediate piece extends from an upper rear margin of the front flange towards the rear flange. The rear flange is widened towards the front by a second intermediate piece beyond a support area of the structural element. The intermediate pieces are linked via a bending zone that is convex towards the engine compartment.Type: ApplicationFiled: December 3, 2012Publication date: December 26, 2013Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Stefan WOLFF, Joachim SCHAEFER
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Publication number: 20130257102Abstract: A motor vehicle has a windshield and a radiator tank assembly that acts on the lower edge of the windshield and exhibits a guide pad extending on an interior side of the windshield. The guide pad is divided into a central and two lateral sections. The lateral sections are more flexible than the central section during exposure to a pressure acting on the windshield from outside.Type: ApplicationFiled: March 5, 2013Publication date: October 3, 2013Inventors: Joachim SCHAEFER, Uwe SCHMITZ, Stefan WOLFF
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Publication number: 20130049400Abstract: A motor vehicle body includes, but is not limited to a front hood, a windshield rising from a rear edge of the front hood and a cross member substantially extending over the width of the windshield, of which a front edge supports a front lower edge of the windshield and a rear edge is supported on a structural element of the body. A top side of the cross member faces the passenger cell and a bottom side faces the engine compartment. Between the front edge and the rear edge the cross member comprises at least one first region, in which the top side is concavely curved in a section plane running in vehicle longitudinal direction and which yields to a load by intensifying the curvature along an apex line yielding towards the engine compartment and pivoting of two zones extending on both sides of the apex line towards each other.Type: ApplicationFiled: August 20, 2012Publication date: February 28, 2013Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Joachim SCHAEFER, Uwe SCHMITZ, Stefan WOLFF, Stephan WALTER
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Patent number: 8062525Abstract: The process according to the invention for treating water in a treatment plant comprising a reaction chamber in which a biodegradable material present in the water is biodegraded at least partly by microorganisms, in the course of which, at least temporarily, water is transferred out of the reaction chamber into a separating chamber and the biodegradable material and the microorganisms are separated at least partly from the water therein, a return stream comprising biodegradable material and at least some of the microorganisms flowing out of the separating chamber into the reaction chamber via a recycle line, is characterized in that at least some of the following substances: a) the biodegradable material and b) the microorganisms are treated with ozone (O3), an amount of 15 to 150 milligrams of ozone per kilogram of dry substance of the biodegradable material and of the microorganisms being added per hour in the reaction chamber.Type: GrantFiled: December 12, 2008Date of Patent: November 22, 2011Assignee: L'Air Liquide Societe Anonyme Pour l'Etude Et l'Exploitation des Procedes Georges ClaudeInventors: Jörg Schwerdt, Stefan Wolff, Jan Parmentier
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Publication number: 20090301965Abstract: The process according to the invention for treating water in a treatment plant comprising a reaction chamber in which a biodegradable material present in the water is biodegraded at least partly by microorganisms, in the course of which, at least temporarily, water is transferred out of the reaction chamber into a separating chamber and the biodegradable material and the microorganisms are separated at least partly from the water therein, a return stream comprising biodegradable material and at least some of the microorganisms flowing out of the separating chamber into the reaction chamber via a recycle line, is characterized in that at least some of the following substances: a) the biodegradable material and b) the microorganisms are treated with ozone (O3), an amount of 15 to 150 milligrams of ozone per kilogram of dry substance of the biodegradable material and of the microorganisms being added per hour in the reaction chamber.Type: ApplicationFiled: December 12, 2008Publication date: December 10, 2009Applicant: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Jörg SCHWERDT, Stefan Wolff, Jan Parmentier
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Patent number: 7022874Abstract: A process for the preparation of polyisocyanates which contain one or more biuret groups, by reacting a) an aliphatic or cycloaliphatic isocyanate containing two or more isocyanate groups (isocyanate a) with b) a tertiary alcohol or a mixture of water and a tertiary alcohol (biuretizing agent b) at from 100 to 250° C.Type: GrantFiled: February 1, 1996Date of Patent: April 4, 2006Assignee: BASF AktiengesellschaftInventors: Bernd Bruchmann, Stefan Wolff, Wolfgang Heider, Joachim Jähme, Werner Langer, Hans Renz
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Patent number: 6933801Abstract: An apparatus and method for maximizing ac energy delivered to a load by minimizing energy reflected from a load, such as an RF power source coupled to a plasma load for substrate processing chambers, including a matching network, wherein the matching network couples an ac power source and load. The matching network having two transmissions lines that are inductively coupled for a fixed portion of their length, such length being at least one wavelength of the ac energy generated by the ac power source. The matching circuit providing continuously variable impedance matching through the use of fixed components.Type: GrantFiled: October 26, 2001Date of Patent: August 23, 2005Assignee: Applied Materials, Inc.Inventors: Tsutomu Tanaka, Stefan A. Wolff
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Publication number: 20040261801Abstract: Device for wrapping groups of filter segments with a wrapping material. The device includes a rolling channel defined between adjacent stretches of at least one first roller conveyor and at least one second roller conveyor. The rolling channel is structured and arranged to wrap the groups of filter segments with the wrapping material by rolling each of the groups of filter segments. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.Type: ApplicationFiled: April 30, 2004Publication date: December 30, 2004Inventors: Sonke Horn, Thorsten Scherbarth, Stefan Wolff