Patents by Inventor Stefan Mohr
Stefan Mohr 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: 9302159Abstract: The present invention relates to a racket for ball games comprising a frame forming a head portion and a handle portion, wherein the head portion accommodates a string bed comprising strings and defining a string plane, wherein the strings of the string bed are passed through several holes in the head portion, wherein at least three strings are passed through three of said holes in such a way that the longitudinal axis of each of said three holes extends in a first direction and the string passed through the hole extends within the string bed in a second direction, wherein the first and the second direction include an angle having an absolute value between 0.5° and 15° and wherein the absolute values of the angles of these three strings differ by maximally 3°.Type: GrantFiled: July 10, 2014Date of Patent: April 5, 2016Assignee: Head Technology GmbHInventors: Ralf Schwenger, Stefan Mohr
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Publication number: 20150251054Abstract: The present invention is directed to a process for determining at least one first coordinate of the point of contact of a ball on the strings of a ball game racquet, as well as a ball game racquet suitable for carrying out such a process.Type: ApplicationFiled: March 6, 2015Publication date: September 10, 2015Inventors: Reinhard SCHNEIDER, Stefan MOHR
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Publication number: 20150157902Abstract: The present invention relates to a grommet strip for a racket for ball games, wherein the grommet strip comprises a longitudinal direction and a plurality of grommets 1 comprising grommet through-holes 2, wherein each of the grommets 1 defines a grommet axis A and each of the grommet through-holes 2 defines a hole axis B, wherein the grommet axes A and the hole axes B extend substantially parallel to each other and wherein the hole axes B of some grommets are offset with respect to the grommet axes A thereof in the longitudinal direction of the grommet strip.Type: ApplicationFiled: November 6, 2014Publication date: June 11, 2015Inventors: Stefan MOHR, Christos TSANGALIS, Daniel LAU, Harald ROSENKRANZ
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Publication number: 20150018137Abstract: The present invention relates to a racket for ball games comprising a frame forming a head portion and a handle portion, wherein the head portion accommodates a string bed comprising strings and defining a string plane, wherein the strings of the string bed are passed through several holes in the head portion, wherein at least three strings are passed through three of said holes in such a way that the longitudinal axis of each of said three holes extends in a first direction and the string passed through the hole extends within the string bed in a second direction, wherein the first and the second direction include an angle having an absolute value between 0.5° and 15° and wherein the absolute values of the angles of these three strings differ by maximally 3°.Type: ApplicationFiled: July 10, 2014Publication date: January 15, 2015Inventors: Ralf SCHWENGER, Stefan MOHR
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Publication number: 20130209950Abstract: The invention relates to an oven for heat treatment of a multiplicity of objects. The oven comprises a support stand, which is realized as a three-dimensional frame, an elongate heating chamber, which is arranged vertically or horizontally in a central region of the support stand, and a plurality of elongate combustion chambers, which are arranged vertically or horizontally inside the support stand. The oven additionally comprises a heating element, which is assigned to the heating chamber, and at least one fan for generating an air stream from the heating chamber to the combustion chambers. The combustion chambers are provided to receive the objects to be treated. The support stand is provided to support the heating chamber and the combustion chambers. The invention additionally relates to an oven installation having a multiplicity of such ovens.Type: ApplicationFiled: March 25, 2011Publication date: August 15, 2013Inventor: Stefan Mohr
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Patent number: 8500578Abstract: The present invention relates to an elastic grip sleeve for the grip of a ball game racket, the sleeve having an inner surface and an outer surface, wherein the inner surface is provided at least in parts with an adhesive strip. The present invention moreover relates to a retrofit kit for a ball game racket, comprising a grip sleeve and at least an adhesive strip. Moreover, according to the invention there is provided a method for attaching a grip sleeve to the grip portion of a ball game racket.Type: GrantFiled: December 17, 2010Date of Patent: August 6, 2013Assignee: Head Technology GmbHInventors: Stefan Mohr, Daniel Lau, Ralf Schwenger, Johan Kotze, Harald Rosenkranz
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Publication number: 20130017505Abstract: The invention relates to an oven for heat treatment of a multiplicity of objects. The oven comprises a support stand, which is realized as a three-dimensional frame, an elongate heating chamber, which is arranged vertically or horizontally in a central region of the support stand, and a plurality of elongate combustion chambers, which are arranged vertically or horizontally inside the support stand. The oven additionally comprises a heating element, which is assigned to the heating chamber, and at least one fan for generating an air stream from the heating chamber to the combustion chambers. The combustion chambers are provided to receive the objects to be treated. The support stand is provided to support the heating chamber and the combustion chambers. The invention additionally relates to an oven installation having a multiplicity of such ovens.Type: ApplicationFiled: March 25, 2011Publication date: January 17, 2013Inventor: Stefan Mohr
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Patent number: 8282513Abstract: The invention relates to a racket for ball games, in particular a tennis or squash racket, comprising a head region for receiving a stringing as well as at least one joint which is provided in the head region and the joint axis of which is arranged essentially perpendicularly with respect to a stringing plane formed by the stringing.Type: GrantFiled: November 10, 2008Date of Patent: October 9, 2012Assignee: Head Technology GmbHInventors: Harald Rosenkranz, Johan Kotze, Stefan Mohr, Ralf Schwenger
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Patent number: 8257206Abstract: A ball game racket according to the present invention comprises a racket head and a racket shaft, wherein the racket head comprises a stringing having transverse strings and longitudinal strings each having a vibration length. The racket head comprises a means which reduces the vibration length of a plurality of strings on both sides of the stringing depending on the deflection of the strings. The means is attached as a separate part to the racket head.Type: GrantFiled: October 21, 2010Date of Patent: September 4, 2012Assignee: Head Technology GmbHInventors: Stefan Mohr, Ralf Schwenger, Johan Kotze, Harald Rosenkranz
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Patent number: 8012043Abstract: The present invention relates to a grip tape for ball game rackets having a conical or trapezoidal base shape in the longitudinal direction or a length and a width, wherein the width varies at least along an essential portion of the length. The present invention also relates to a replacement grip tape including the features of a grip tape of the invention, and a process for producing a grip tape of the invention. Moreover, the present invention also relates to a grip for a ball game racket including a portion facing the head region of the ball game racket and having a first cross-section and a portion facing the end of the ball game racket and having a widening cross-section for holding the grip, as well as the combination of grip and grip tape.Type: GrantFiled: February 2, 2007Date of Patent: September 6, 2011Assignee: Head Technology GmbHInventors: Manfred Emberger, Stefan Mohr, Claus Müller, Klaus Rambach, Gert Rhomberg
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Patent number: 8007380Abstract: The disclosure relates to a racket for ball games, and in particular, a tennis or squash racket, with a head region for receiving a stringing defining a stringing plane, a grip portion for holding the racket, and a heart region wherein the heart region has two arms and a bridge. The bridge may be pivot-mounted on both arms relative to an axis substantially perpendicular to the stringing plane. The present disclosure further relates to a method for manufacturing a racket including the step of manufacturing a racket frame with a head region, two arms, and a grip portion in a blow molding process. The method may also include manufacturing a bridge for a racket frame in the blow molding process. The method may further include connecting the bridge with the remaining racket frame.Type: GrantFiled: November 25, 2008Date of Patent: August 30, 2011Assignee: Head Technology GmbHInventors: Harald Rosenkranz, Johan Kotze, Stefan Mohr, Ralf Schwenger
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Patent number: 7967706Abstract: A racket for ball games may include a frame which is formed by a frame profile or a hollow profile and has a racket head and a handle portion connected thereto preferably via a heart region. Two indentations that are symmetrical relative to the longitudinal axis of the racket may be provided in the heart region of the frame. A vibrating device may be arranged in each of the two indentations. The vibrating means of the racket may preferably be effective for vibrations having at least two vibration modes or degrees of freedom. Additionally or alternatively, a racket for ball games may include a frame which forms a head region for receiving strings and a handle portion for holding the racket. The frame may include one respective inwardly-facing C-profile in at least two segments of the head region.Type: GrantFiled: February 1, 2007Date of Patent: June 28, 2011Assignee: Head Technology GmbHInventors: Rob Cottey, Johan Kotze, Stefan Mohr, Claus Müller, Klaus Rambach, Jürgen Wilke, Manfred Emberger, Harald Rosenkranz
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Publication number: 20110152017Abstract: The present invention relates to an elastic grip sleeve for the grip of a ball game racket, the sleeve having an inner surface and an outer surface, wherein the inner surface is provided at least in parts with an adhesive strip. The present invention moreover relates to a retrofit kit for a ball game racket, comprising a grip sleeve and at least an adhesive strip. Moreover, according to the invention there is provided a method for attaching a grip sleeve to the grip portion of a ball game racket.Type: ApplicationFiled: December 17, 2010Publication date: June 23, 2011Applicant: HEAD TECHNOLOGY GMBHInventors: Stefan Mohr, Daniel Lau, Ralf Schwenger, Johan Kotze, Harald Rosenkranz
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Publication number: 20110098142Abstract: A ball game racket according to the present invention comprises a racket head and a racket shaft, wherein the racket head comprises a stringing having transverse strings and longitudinal strings each having a vibration length. The racket head comprises a means which reduces the vibration length of a plurality of strings on both sides of the stringing depending on the deflection of the strings. The means is attached as a separate part to the racket head.Type: ApplicationFiled: October 21, 2010Publication date: April 28, 2011Applicant: HEAD TECHNOLOGY GMBHInventors: Stefan Mohr, Ralf Schwenger, Johan Kotze, Harald Rosenkranz
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Publication number: 20110003654Abstract: The invention relates to a racket for ball games, in particular a tennis or squash racket, comprising a head region for receiving a stringing as well as at least one joint which is provided in the head region and the joint axis of which is arranged essentially perpendicularly with respect to a stringing plane formed by the stringing.Type: ApplicationFiled: November 10, 2008Publication date: January 6, 2011Inventors: Harald Rosenkranz, Johan Kotze, Stefan Mohr, Ralf Schwenger
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Patent number: 7743865Abstract: Objects within an area of coverage are located at predetermined points in time with an optical sensor. Based on detected locations of the objects, a driving direction and/or a speed of the vehicle is determined as a function of measuring variables measured with the optical sensor. Based on the determined direction and/or speed, (a) a protective zone is selected among a plurality of protective zones previously stored in the optical sensor, or (b) a validity of a preset protective zone or a preset vehicle parameter value stored in the optical sensor is checked.Type: GrantFiled: November 15, 2006Date of Patent: June 29, 2010Assignee: Leuze Lumiflex GmbH & Co. KGInventors: Rolf Brunner, Stefan Mohr
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Publication number: 20100048333Abstract: The racket (2) for ball games of the present invention comprises a frame which is formed by a frame profile or a hollow profile and has a racket head and a handle portion connected thereto preferably via a heart region. Two indentations (12) that are symmetrical relative to the longitudinal axis of the racket are provided in the heart region of the frame. A vibrating device (20) is arranged in each of the two indentations. The vibrating means of the racket of the present invention are preferably effective for vibrations having at least two vibration modes or degrees of freedom. The invention further relates to a racket for ball games comprising a frame which forms a head region for receiving strings and a handle portion for holding the racket, wherein the frame comprises one respective inwardly-facing C-profile in at least two segments of the head region.Type: ApplicationFiled: February 1, 2007Publication date: February 25, 2010Inventors: Rob Cottey, Johan Kotze, Stefan Mohr, Claus Müller, Klaus Rambach, Jürgen Wilke, Manfred Emberger, Harald Rosenkranz
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Publication number: 20090314431Abstract: The present invention relates to a grip tape for ball game rackets having a conical or trapezoidal base shape in the longitudinal direction or a length and a width, wherein the width varies at least along an essential portion of the length. The present invention also relates to a replacement grip tape including the features of a grip tape of the invention, and a process for producing a grip tape of the invention. Moreover, the present invention also relates to a grip for a ball game racket including a portion facing the head region of the ball game racket and having a first cross-section and a portion facing the end of the ball game racket and having a widening cross-section for holding the grip, as well as the combination of grip and grip tape.Type: ApplicationFiled: September 1, 2009Publication date: December 24, 2009Inventors: Manfred EMBERGER, Stefan Mohr, Claus Müller, Klaus Rambach, Gert Rhomberg
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Patent number: 7572196Abstract: The present invention relates to a dampening device for ball game rackets. The dampening device of the present invention includes at least one dampening element having a foot or base region, a head region and a neck or connection region arranged between the foot region and the head region. The provision of a neck or connection region leads to an optimum distance between foot or base region and head region and/or an optimum and safe positioning of the head region in the stringing plane at a preferred distance from the heart region of the racket. Preferably, the neck region is tapered or necked relative to the foot or base region and/or the head region at least in the width or thickness direction of the dampening device of the invention.Type: GrantFiled: February 2, 2007Date of Patent: August 11, 2009Assignee: Head Technology GmbHInventors: Johan Kotze, Stefan Mohr, Jürgen Wilke
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Publication number: 20090163306Abstract: The disclosure relates to a racket for ball games, and in particular, a tennis or squash racket, with a head region for receiving a stringing defining a stringing plane, a grip portion for holding the racket, and a heart region wherein the heart region has two arms and a bridge. The bridge may be pivot-mounted on both arms relative to an axis substantially perpendicular to the stringing plane. The present disclosure further relates to a method for manufacturing a racket including the step of manufacturing a racket frame with a head region, two arms, and a grip portion in a blow molding process. The method may also include manufacturing a bridge for a racket frame in the blow molding process. The method may further include connecting the bridge with the remaining racket frame.Type: ApplicationFiled: November 25, 2008Publication date: June 25, 2009Inventors: Harald Rosenkranz, Johan Kotze, Stefan Mohr, Ralf Schwenger