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| Number | Title | Issue Date |
| 7335112 | Adjustable head for a golf putter An adjustable putter head for a golf putter is designed having an elongated line of sight marking on a top surface of the putter head to aid in aligning the putter head in a putting direction toward a target point, and a putter face which is pivotally connected to t... | 02/26/2008 |
| 7264555 | Diagnostic golf club system A diagnostic golf club system having a diagnostic golf club, an interface means and a computing means is disclosed herein. The diagnostic golf club includes a plurality of sensors, an internal power supply, and a non-volatile memory for capturing data relating to a ... | 09/04/2007 |
| 7235020 | Gold club speed indicator An indicator mechanism or gauge is located in a golf club and provides an indication that the “sweet spot” on a golf club head has been hit and the speed of the club head. The indicator mechanism includes a sensor mounted on the head of a golf club and an indica... | 06/26/2007 |
| 7217197 | Golf swing training device A small lightweight golfers' aide comprising low-level high frequency physical vibration generator within a housing for transmitting the vibrations to a golfer as physical vibration patterns indicative of a preferred swing tempo for the golfer. ... | 05/15/2007 |
| 7192363 | Golf club head with a variably dampened face A golf club head includes a body having a front surface, a back surface, a heel end, a toe end, a sole extending between lower portions of the heel and the toe ends, and a top rail extending between upper portions of the heel and toe ends. A face is coupled to the b... | 03/20/2007 |
| 7159864 | Golf game apparatus A golf game apparatus which provides a unique form of swing measurement, scaled course maps for play, and interchangeable club heads to play with. The apparatus is particularly suited to indoor play with the scaled maps. The apparatus features recordable ball distan... | 01/09/2007 |
| 7144329 | Golf club with which gravity rule is realized In order to stabilize golf swing motion of a player, downswing motion that is the most important but difficult part in golf swing is streamlined. A moving object is set in a golf club. When the club is in a vertical position in a flow of its movement from the top of... | 12/05/2006 |
| 7140248 | Speed measuring device and method A velocity measuring device is mounted to a support, optionally a wearable support such as a glove, watch, wrist or arm band, or the like. Alternatively, the support is a sports club or removably attaches to a sports club. The velocity measuring device includes a po... | 11/28/2006 |
| 7115042 | Swing trainer Disclosed are apparatus and method for a golf swing training club. The golf swing training club may include, a shaft, a grip connected to one end of the shaft, a clubhead connected to the other end of the shaft, and a weight coupled to the shaft, where the weight sl... | 10/03/2006 |
| 7001284 | Putter fitting template The present invention provides a putter-fitting template that enables fitters to scribe various lines onto test putters. The template fits securely and temporarily onto the putter head and includes line guides for drawing the scribe lines onto the putter. The invent... | 02/21/2006 |
| 6991552 | Swing monitoring device An overswing alerting mechanism/swing monitoring device that a user can wear, for example on the wrist, hand or arm, that can determine swing formation, and that can display and/or store the determined swing information. As an option, the device includes a visual an... | 01/31/2006 |
| 6955610 | Sports training apparatus An apparatus is provided that allows individuals of diverse skill levels to improve their respective sports-related swings. The apparatus provides visual, auditory and tactile feedback as to whether an individual is correctly “loading”, “retaining”, and “r... | 10/18/2005 |
| 6923729 | Golf club with impact display A golf training club comprising optical sensors, electronics and a display to provide visual feedback related to how a golfer strikes a golf ball. The club includes a shaft having a grip end and a tip distal from the grip end. The club has a club head affixed to the... | 08/02/2005 |
| 6648769 | Instrumented golf club system & method of use An instrumented golf club system having an instrumented golf club, an interface means and a computing means is disclosed herein. The instrumented golf club includes a plurality of sensors, an internal power supply, an angular rate sensor and an internal r... | 11/18/2003 |
| 6638175 | Diagnostic golf club system A diagnostic golf club system having a diagnostic golf club, an interface means and a computing means is disclosed herein. The diagnostic golf club includes a plurality of strain gauges, an internal power supply, and a non-volatile memory for capturing da... | 10/28/2003 |
| 6607450 | Golf swing frequency analyzer A golf swing analyzer that can be attached to a golf club shaft. The analyzer includes a housing with an integral shaft mount. The housing contains an internal chamber in which an accelerometer, microprocessor and data storage are contained, and an output... | 08/19/2003 |
| 6461163 | Sport club swing trainer arrangement The present invention covers a swing trainer arrangement for providing recognizable signals to the user/holder of a sports club or racket to indicate the optimum swing and strike locations during playing with a ball or puck. The swing trainer arrangement ... | 10/08/2002 |
| 6441745 | Golf club swing path, speed and grip pressure monitor The golf club has a head and a shaft. A three axis linear accelerometer is mounted on the shaft adjacent to the head. The axis of one accelerometer is in parallel alignment with an axis of the shaft. A circuit board is attached to the shaft and the accele... | 08/27/2002 |
| 6402634 | Instrumented golf club system and method of use An instrumented golf club system having an instrumented golf club, an interface means and a computing means is disclosed herein. The instrumented golf club includes a plurality of sensors, an internal power supply, an angular rate sensor and an internal r... | 06/11/2002 |
| 6261102 | Method and apparatus for teaching proper swing tempo A swing tempo training device is provided which may be used to teach proper swing tempo. The disclosed swing tempo training device comprises an accelerometer coupled to a voltage-to-frequency converter, and an output means coupled to the voltage-to-freque... | 07/17/2001 |
| 6231453 | Golf swing indicator Improved push button release for a centrifugal golf swing indicator which releases the indicator weight when the push button is depressed, and resets the golf swing indicator for the next use when the release button is released. Further improvements inclu... | 05/15/2001 |
| 6227984 | Golf swing analysis methods The present invention provides golf club swing analyzers and golf swing analysis methods. According to one aspect of the present invention, a golf club swing analyzer comprises: a housing; a light emission device configured to emit reference light toward ... | 05/08/2001 |
| 6224493 | Instrumented golf club system and method of use An instrumented golf club system having an instrumented golf club, an interface means and a computing means is disclosed herein. The instrumented golf club includes a plurality of sensors, an internal power supply, an angular rate sensor and an internal r... | 05/01/2001 |
| 6173610 | Sports swing impact speed indicator A sports swing-impact-speed indicator (1) has a solid state accelerometer (20) which measures impact speed of swing of a sports swing-impact implement during an event-time window of an event-window timer (21) following a select swing-acceleration time. Th... | 01/16/2001 |
| 6045364 | Method and apparatus for teaching proper swing tempo A swing tempo training device is provided which may be used to teach proper swing tempo. The disclosed swing tempo training device comprises an accelerometer coupled to a voltage-to-frequency converter, and an output coupled to the voltage-to-frequency co... | 04/04/2000 |
| 6003368 | Shaft selection aiding apparatus for selecting optimum shaft for a golfer A high speed camera takes an image in the vicinity of a ball 3 and a club head 12, while a high speed camera 5 takes an image in the vicinity of the top of the swing of a golfer 1, and the images are recorded in a high speed video tape recorder 6. The rec... | 12/21/1999 |
| 6001025 | Golf putting aid A golf putting aid is provided having an elongated body member difining an interior cavity. An attaching device, such as a clamp, is configured on the body member to removably secure the body member to the shaft of a golf putter. A weighted mass, such as ... | 12/14/1999 |
| 6000286 | Shift selection aiding apparatus for selecting optimum shaft for a golfer A high speed camera takes an image in the vicinity of a ball 3 and a club head 12, while a high speed camera 5 takes an image in the vicinity of the top of the swing of a golfer 1, and the images are recorded in a high speed video tape recorder 6. The rec... | 12/14/1999 |
| 5769734 | Golf swing training device A golf swing training device for attachment to a golf club. A bell-shaped weight having an axial bore and a slot that communicates with the bore is slidably mountable to the shaft of a golf club. The weight is attached to and suspended from an elastic, ex... | 06/23/1998 |
| 5646345 | Acceleration responsive device An acceleration responsive device 30 includes a support 34 which supports a rod 46 between two spaced portions of the support. A weighted disc 48 is mounted for movement on the rod and is held by a spring 128 at one end of the rod 46. An indicator 50 is a... | 07/08/1997 |
| 5620376 | Golf swing training device A golf swing training device including a shaft, a club head connected to an end of the shaft, and a liquid-receiving chamber having an inlet and an outlet orifice. The outlet orifice is of a sufficient size so as to release a liquid by capillary action du... | 04/15/1997 |
| 5520049 | Acceleration responsive device An acceleration responsive device 30 includes a support 34 which supports a rod 46 between two spaced portions of the support. A weighted disc 48 is mounted for movement on the rod and is held by a spring 128 at one end of the rod 46. An indicator 50 is a... | 05/28/1996 |
| 5441256 | Method of custom matching golf clubs A method for measuring the swing time of a golfer's swing and selecting a golf club having k divided by four times the club's natural frequency (fn) approximately equal to the golfer's swing time. The golfer's swing time is defined as the time ... | 08/15/1995 |
| 5423538 | Golf stroke practice device A device for aiding in practicing of a golf stroke. A first adjustable signal means produces a first delayed sensible signal at a selectable first time period after the beginning of the backstroke, and a second adjustable signal means produces a second de... | 06/13/1995 |
| 5405139 | Golf swing improvement device A golf swing training device comprised of a shaft with a grip over which a tubular elastomeric member is fitted. The tubular elastomeric member has one end affixed adjacent to the grip and the other end may be weighted. A portion of the tubular elastomeri... | 04/11/1995 |
| 5351952 | Method of matching golfer to golf club A method for measuring the swing time of a golfer's swing and selecting a golf club having the inverse of four times its natural frequency which is approximately equal to the swing time. The golfer's swing time is defined as the time elapsed between maxim... | 10/04/1994 |
| 5303925 | Golf swing gauge A golf swing gauge attached to the shaft of the golf club adjacent the handle of the club. The swing gauge measures the centrifugal force at the gauge during a practice swing. The gauge is equipped with a needle from which the reading may be ascertained a... | 04/19/1994 |
| 5170664 | Mountable force measurement apparatus A conventional centrifugal forcemeter having a centrifugally leadwardly extendable spindle is trailwardly provided with a fixture having an underlying trough portion abuttable against the external contour of a baseball bat, a golfclub, or other selectable... | 12/15/1992 |
| 5169151 | Electromechanical putting trainer A golf putting stroke trainer includes an inertial sensor responsive to axial rotation disposed in electrical communication with an alarm circuit. The trainer is positioned within a standard putting club and provides a user-detectable signal if, during a ... | 12/08/1992 |
| 4991850 | Golf swing evaluation system A golf swing evaluation system includes a golf club containing a sensor and an associated display for indicating the force and location of the impact of the club head against a golf ball. The sensor generates a sensor signal to a force circuit which gener... | 02/12/1991 |
