| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 473553000 | Accessory for use with racket or paddle (e.g., used with or for tennis racket, etc.) | 29 |
| 20100069180 | TENNIS-GAME SCOREKEEPING SYSTEM AND METHOD - A system of 8 loops ( | 03-18-2010 |
| 20100234148 | Racket String Alignment Tool - A racket string alignment device for aligning crisscrossed strings forming the face of a sports racket. The device features a body in a cup or hemispheric shape adapted for easy gripping by the palm and hand of a user. Projections extending from an axle engaged roller have distal ends adapted to easily engage within rectangles formed by the strings of the face and realign them. The axle is in floating engagement with the body to allow the body to tile while maintaining the axle substantially parallel to the face of the racket formed by the strings. Fluid applicators may be located between the projections to apply emollient to the strings and the rollers may be in a kit form allowing them to be changed for different sized racket faces with different sized rectangles in the crisscross pattern. | 09-16-2010 |
| 20110009217 | STRING ALIGNER - The present invention is a tennis racket string aligner. In several embodiments the present invention is a small handheld tool that consists of prongs, a base, and a handle with a pressure point area. The handle may be made of plastic, rubber, or other suitable material. The prongs should be durable enough that the racket strings do not stick to the prongs when pressure is applied. The string aligner may be made out of a combination plastic, rubber or metal. | 01-13-2011 |
| 20110183787 | Methods and apparatuses for enhancing performance in racket sports - A racket assembly may include a racket, and at least one sensor operatively coupled to the racket. The at least one sensor may be configured to generate a signal indicative of at least one parameter related to use of the racket. The racket assembly may also include a processor configured to receive the signal as an input and generate an output based on the signal. | 07-28-2011 |
| 20110256966 | Device for aligning strings in a racquet - In a device for aligning strings in a racquet comprising a plate ( | 10-20-2011 |
| 20120010032 | Spin Improvement String Pliers - The spin improvement string pliers is a pivotally secured together plier device used to manually restructure and roughen the surface of a synthetic string on a strung tennis racquet by means of plastic deformation. The line grids on the pliers depress the string, leaving a series of indentations on the string surface that increases the friction between the string and the ball so that the tennis player can more easily generate top or under spin on a tennis ball or a racket ball. | 01-12-2012 |
| 20120115654 | Spin Improvement String Tool - The spin improvement string pliers is a pivotally secured together plier device used to manually restructure and roughen the surface of a synthetic or a polyester string on a strung tennis racquet by means of plastic deformation. The line grids on the pliers depress the string, leaving a series of indentations on the string surface that increases the friction between the string and the ball so that the tennis player can more easily generate top or under spin on a tennis ball. | 05-10-2012 |
| 20120220398 | Tennis racket brush attachment - A tennis racket brush attachment to detachably mount a brush to the head of a tennis racket to provide a means of sweeping debris from the playing surface and cleaning the boundary lines of a tennis court comprising a first attachment element affixed to the head of the tennis racket and a second attachment element affixed to the brush wherein the first attachment element and second attachment element are similarly configured to selectively engage each other to detachably mount the brush to the head of the tennis racket. | 08-30-2012 |
| 20130123050 | RACQUET PUTTER APPARATUS - A projection in operative connection with a tip of a racquet is provided, such that at least a portion of the projection extends outwardly from a frame of the racquet. The frame has a shape of a loop and a plurality of transversely orientated sets of strings that span the loop and are connected to the frame. The projection includes a substantially flat surface orientated parallel to the at least one face of the strings. The projection is in rigid connection with the racquet and extends from the tip of the frame opposite a handle connected to the frame for a distance operative to serve as a putting surface for putting a ball along the ground. | 05-16-2013 |
| 20150045153 | RACQUET HIT NOTIFICATION - An apparatus for use with a sports racquet. The apparatus including a sensor to be carried by the racquet and an indicator in communication with the sensor to output a notification based on the number of hits by the racquet based on signals from the sensor. | 02-12-2015 |
| 20150141177 | Score Keeping Apparatus - A score keeping apparatus configured to keep score on a racquet. The score keeping apparatus contains multiple embodiments wherein the score keeping apparatus is configured to keep score on a racquet, such as a tennis or racquetball racquet. | 05-21-2015 |
| 20150141178 | RACKET SPORT INERTIAL SENSOR MOTION TRACKING ANALYSIS - A system for a racket comprises an inertial sensor for coupling to the racket, a processor connected to the inertial sensor, and a memory device connected to the processor. The inertial sensor includes an accelerometer array with three degrees of freedom in acceleration and a gyro array with three degrees of freedom in rotation. The processor is configured to generate stroke profiles describing acceleration and rotation of the racket based on signals from the accelerometer and the gyro arrays, and the memory device is configured to store the stroke profiles. | 05-21-2015 |
| 20150360082 | Activity Tracking Racquet Attachment Device - An activity tracking racquet attachment device tracks activity such as calories burned over a period of using a racquet to which the device is attached. The device includes a housing having a first face and a perimeter sidewall extending from and around the first face. A processor is coupled to the housing. A motion detector is coupled to the housing such that the motion detector detects movement of the housing. The motion detector is communicatively coupled to the processor wherein the processor receives motion data from the motion detector. A coupler is coupled to and extends from a second face of the housing coupling the housing to an end of a handle of a racquet such that the first face of the housing faces outwardly from the end of the handle. | 12-17-2015 |
| 20150360089 | Tennis racket brush attachment - A tennis racket brush attachment to detachably mount a brush to the head of a tennis racket to provide a means of sweeping debris from the playing surface and cleaning the boundary lines of a tennis court comprising a first attachment element affixed to the head of the tennis racket and a second attachment element affixed to the brush wherein the first attachment element and second attachment element are similarly configured to selectively engage each other to detachably mount the brush to the head of the tennis racket. | 12-17-2015 |
| 20160136486 | Method and Apparatus for Real-Time Racket String Tension Measurement - A sports racket with racket string tension measurement has a racket frame with a throat that connects a racket head and a racket grip. One or more strings is strung in a stringing pattern, and one or more string anchors retains an end of the string or strings. A tension measurement gauge, such as a strain gauge, is operably associated with the string to sense a tension therein. At least a portion of the tension measurement gauge can be retained by the at least one string anchor, and measured tension can be output to a display. There can be first and second strings strung in a pattern to establish distinct striking zones within the racket head, and tension measurement gauges can be associated with each string. A third string could be strung to establish a peripheral pattern in the racket head. | 05-19-2016 |
| 473555000 | Racket frame holder or support for use while stringing | 7 |
| 20080214337 | Work table apparatus for a stringing machine for tennis rackets - A work table tilting apparatus for a stringing machine for tennis rackets which allows free tilt at any angle toward the front of the user. | 09-04-2008 |
| 20160121175 | SYSTEM FOR BLOCKING STRINGS FOR A RACKET STRINGING MACHINE AND RACKET STRINGING MACHINE COMPRISING SUCH A SYSTEM - This system ( | 05-05-2016 |
| 473556000 | With stringing or string-stretching device | 5 |
| 20080242454 | Height Adjusting Device for Use in String Puller of String Pulling Block of Stringing Machine - A height adjusting device for use in string puller of string pulling block of string machine comprises the string machine including a rod member for connecting with a string pulling block allowing to move relative to the rod member and at least having a string puller and a lever disposed thereon, wherein the height adjusting device includes the string pulling block having an upper support provided therein and having a titled slidable mount disposed thereon, includes a lower support mounted on the rod member, having a titled coupling seat affixed thereon and connecting with the string puller, the coupling seat is obliquely coupled with the lower support and involves an inclined rail arranged thereon for axially moving a sliding member therein, by attaching the slidable seat onto the sliding member for pivotally connecting with the rail, the upper support may obliquely move upward and downward along the rail, thus adjusting the height of the string puller. | 10-02-2008 |
| 20080254922 | Racquet stringing machine - An ergonomically-designed racquet stringing machine. The stringing machine includes an electronic control unit coupled to a platform and/or to a height adjustment assembly. The control unit is capable of generating a control signal to automatically adjust at least one parameter of the machine, such as machine height, angle of stringing platform, or string tension, based upon a selected user profile. A method of controlling tension in a racquet while stringing the racquet entails the use of the stringing machine. | 10-16-2008 |
| 20110111893 | CUSTOMIZED RACQUET STRINGING SYSTEM AND METHOD - A customized racquet stringing system for a racquet having a plurality of main and cross string segments. The stringing system includes a stringing machine having a base and a stringing platform, and a control unit. The stringing platform is coupled to the base. The stringing platform includes a turntable and a string tensioning assembly. The string tensioning assembly is configured to receive one or more string tension control signals. The control unit is operably coupled to the string tensioning assembly and is configured to execute a string tensioning program and to provide a plurality of the string tension control signals based off of the string tensioning program to the tensioning assembly. The control unit includes a processor and a memory. The tension control signals correspond to at least three separate string tension values applied to the plurality of main string segments and/or the plurality of cross string segments. | 05-12-2011 |
| 20140315668 | Racket Stringing Machine - The invention is a machine for stringing rackets. The invention comprises a stringing machine utilizing a sliding spring within the pulling mechanism to allow for customized tension application. A user changes the tension in the stringing machine system by moving the slidable spring along the length of a tension transfer bar. The invention may optionally provide for a means for automatically locking the rotation of the mounting plate during the stringing process. The invention may optionally provide for a self-locking string clamp to be used on the machine for stringing rackets. | 10-23-2014 |
| 20150133243 | Dual Stringing Tennis Racket Machine and Method - The invention is directed toward a machine and method for stringing two strings on a tennis racket substantially simultaneously. The machine is a racket stringing machine comprised of a mounting plate, a first string gripper and a second string gripper, a first string clamp and a second string clamp. The machine may be further comprised of an electromotor and means for control, a first string gripper arm and a second string gripper arm, a string clamp base, a machine base, and a pedestal. The method comprises the steps of threading a length of string with a first end and a second end through the grommets on a racket, threading the first end of the string through a first string gripper and the second end through a second string gripper, securing the ends of the length of string, and applying a desired tension on the length of string. | 05-14-2015 |
| 473557000 | Stringing or string-stretching device | 7 |
| 20080254923 | Racquet stringing machine
- An ergonomically-designed racquet stringing machine. In certain embodiments, the stringing machine includes a stringing platform supporting at least one racquet mount for securing the racquet in a stringing plane at an angle of about 1 to about 15 degrees from a horizontal surface. A control unit may be coupled to the stringing platform and operably coupled to a platform tilt assembly for adjusting the position of the stringing platform and the angle of the stringing plane. Additionally, the stringing machine may include a tool storage tray coupled to the stringing platform, with the tool storage tray having a bottom surface that is in a plane non-parallel with the stringing plane. | 10-16-2008 |
| 20080254924 | Racquet stringing machine - An ergonomically-designed racquet stringing machine. In certain embodiments, the stringing machine includes a stand extending from a base at an angle between about 70 and about 89 degrees from horizontal. In certain embodiments, the stringing machine includes a releasable resistance assembly configured to provide resistance to rotation of the turntable about an axis. | 10-16-2008 |
| 20090054179 | STRING CLAMPING DEVICE - A string clamping device includes a base with two first sidewalls and a movable unit is located between the two first sidewalls and a guide member is connected to an end of the movable unit. A pair of clamping members are pivotably connected between two second sidewalls of the movable unit so as to clamp a string which is guided by the guide member. Each of the two first sidewalls has a first slot and a second slot defined in an inside thereof. The first slots are close to the guide member and inclined to a horizontal plane. Two bearings are connected to the two second sidewalls and movably received in the first and second slots. The movable unit together with the clamping members is pivoted along the inclined first slots when pulling the string such that the string needs not to be bent. | 02-26-2009 |
| 20100227716 | RACQUET STRINGING MACHINE - A stringing machine includes a base and an adjustable stringing platform coupled to the base. The stringing platform includes a turntable rotatable about a first axis, and a first releasable resistance assembly coupled to the turntable. The first releasable resistance assembly is selectable between an engaged operating mode in which the releasable resistance assembly resists rotation of the turntable about the first axis, and a disengaged operating mode in which the releasable resistance assembly does not resist rotation of the turntable about the first axis. The releasable resistance assembly includes a magnetorheological fluid for resisting rotation of the turntable about the first axis when in the engaged operating mode. | 09-09-2010 |
| 20120277039 | CUSTOMIZED RACQUET STRINGING SYSTEM - A racquet stringing system for use with a stringing machine configured for stringing a racquet having a string bed of racquet string formed of a plurality of main string segments and a plurality of cross string segments. The stringing system includes a control unit and at least one racquet string algorithm operably coupled to the control unit. The control unit is coupled to the racquet stringing machine and includes a processing unit. The racquet stringing algorithm is configured to enable the control unit to produce at least three different string tension signals for tensioning the main string segments and/or cross string segments of the racquet on the stringing machine based upon one or more racquet head profiles and/or one or more player characteristics. | 11-01-2012 |
| 20130274038 | STRINGING DEVICE FOR SPORTS RACKET - A stringing device for a sports racket includes a base and a cleat. The base has a pair of opposing side ends, an upper surface and a bottom surface. The base further has a guiding groove with an open end and a string engaging surface. The cleat extends downward from the bottom surface of the base and has a guiding channel with an inlet and an outlet. The inner diameter of the guiding channel is larger than the outer diameter of the racket string. The string engaging surface of the guiding groove has a suspending portion corresponding to the inlet of the guiding channel for guiding a racket string entering/exiting from the open end of the guiding groove to thread through the guiding channel from the inlet or outlet thereof without touching the inner wall of the guiding channel. | 10-17-2013 |
| 20160121176 | SYSTEM FOR TENSIONING A RACKET STRING AND STRINGING MACHINE COMPRISING SUCH A SYSTEM - This system (S) for tensioning a racket string (C) includes a traction module ( | 05-05-2016 |
