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| Number | Title | Issue Date |
| 8182377 | Ball bat including multiple failure planes A composite ball bat includes multiple failure planes within a barrel wall. By including multiple failure planes in a barrel wall, the bat exhibits a drop in performance when subjected to rolling or other extreme deflection, with no temporary increase in barrel perf... | 05/22/2012 |
| 8062154 | Apparatus for deterring modification of sports equipment The present invention relates to an apparatus for playing ball sports including softball. More particularly, the present invention relates to an apparatus for deterring the modification of ball bats. The bat comprises a barrel, a sweet spot, a transition area, a han... | 11/22/2011 |
| 8029391 | Composite bat A bat includes a composite material barrel. The barrel includes a plurality of layers. A stiffening layer forms one of the exterior layers of the barrel. The stiffening layer includes unidirectional fibers, where the unidirectional fibers are oriented to substantial... | 10/04/2011 |
| 7955200 | Bat with circumferentially aligned and axially segmented barrel section A bat having a handle portion, a transition portion attached to the handle portion, and a barrel portion attached to the transition portion. The area(s) adjacent to the central portion of the barrel have an increased performance with respect to the central portion o... | 06/07/2011 |
| 7883434 | Composite bat having a multiple tube structure A structure for a bat is described by using multiple composite tubes bonded to one another, wherein apertures, or “ports,” are molded between the tubes to improve the stiffness, strength, aerodynamics and comfort of the bat. ... | 02/08/2011 |
| 7874946 | Baseball bat with multiple reinforcing beams A bat for limiting the maximum barrel response at high impact speeds while minimizing the dampening performance at low impact speeds includes a plurality of separate longitudinal beams extending from the end of the bat to the tapered portion of the bat. These beams,... | 01/25/2011 |
| 7867114 | Multi-walled tubular baseball bats with barrel inserts of variable geometry A multi-walled, tubular baseball bat has a barrel portion with a mid-section wherein the radial stiffness of the overall barrel wall varies along the barrel length to provide an enlarged sweetspot, improved soft feel and performance, plus unique sounds upon impact. ... | 01/11/2011 |
| 7857719 | Ball bat with exposed region for revealing delamination A composite ball bat includes an exposed region of transparent or translucent material, which provides a visual indication of whether delamination has occurred in the ball bat. As a result, an observer can determine, via visual inspection, whether delamination has o... | 12/28/2010 |
| 7850554 | Apparatus for deterring modification of sports equipment The present invention relates to an apparatus for playing ball sports including softball. More particularly, the present invention relates to an apparatus for deterring the modification of ball bats. The bat comprises a barrel, a sweet spot, a transition area, a han... | 12/14/2010 |
| 7749115 | Bat with circumferentially aligned and axially segmented barrel section A bat having a handle portion, a transition portion attached to the handle portion, and a barrel portion attached to the transition portion. The area(s) adjacent to the central portion of the barrel have an increased performance with respect to the central portion o... | 07/06/2010 |
| 7699725 | Layered composite material bat A layered composite bat is designed to include fiber angles of orientation that are layered and progressive. The bat includes a multi-layered composite material configuration wherein progressing from an innermost layer to an outermost layer, the unidirectional fiber... | 04/20/2010 |
| 7651420 | Injection-molded ball bat A bat and a method of making a bat for use in sports, such as baseball. The bat includes a one-piece, hollow bat frame formed by injection molding a durable polymer, such as acrylonitrile butadiene styrene. The bat frame includes a barrel portion, an intermediate po... | 01/26/2010 |
| 7585235 | Baseball or softball bat A baseball or softball bat having improved restitution characteristic and preventing degraded hitting feeling caused by vibration or impact at the time of hitting can be provided. The baseball or softball bat including a ball hitting portion, a tapered portion and a... | 09/08/2009 |
| 7575527 | Composite bat having a single, hollow primary tube structure A bat preferably is formed of a single, hollow tube of composite material, wherein tubular “ports” extend through the hollow tube. The ends of the ports are bonded to the walls of the hollow tube. The ports improve the stiffness, strength, aerodynamics and comfo... | 08/18/2009 |
| 7572197 | Multi-piece ball bat connected via a flexible joint A multi-piece ball bat includes a first section including a hitting portion, and a second section including a handle portion. A flexible joint connects the first section to the second section. The flexible joint may be a structural joint, such as a spring member, a ... | 08/11/2009 |
| 7442134 | Ball bat including an integral shock attenuation region A ball bat includes multiple layers of one or more composite materials. One or more “integral shock attenuation” (“ISA”) regions, which have a substantially lower axial stiffness than neighboring regions in the bat, are provided to attenuate shock waves resu... | 10/28/2008 |
| 7442135 | Ball bat including a focused flexure region A ball bat includes one or more focused flexure regions located predominantly or entirely in the transition section between the barrel and the handle of the ball bat. One or more of the focused flexure regions may additionally or alternatively be located partially o... | 10/28/2008 |
| 7438656 | Laminated blank for machining into a bat The present technology relates to laminated ball bats and a methodology for making the same. The disclosed technology provides for a laminated blank suitable for machining into a laminated bat having a generic bat shape (such as a bat consisting of a handle and a ba... | 10/21/2008 |
| 7419446 | Multi-component bat and assembly process Assembling a multi-component baseball bat includes disposing a rigid sleeve coaxially over a portion of an elongate composite handle. The rigid sleeve encircles a second end of the handle and extends toward a first end of the handle. A ring is positioned near a seco... | 09/02/2008 |
| 7410433 | Bat handle with optimal damping A bat has an elongate tubular striking member of a first material, and an elongate handle member of a second material. The handle may be of composite material laid up in selected layers and orientation to produce selected weight distribution, strength, and stiffness... | 08/12/2008 |
| 7384354 | Single wall ball bat including quartz structural fiber A single-wall ball bat is made up of a series of layers or plies of unidirectional, two-dimensional, structural fibers having high strain energy properties. The plies are optionally layered upon each other in a lamina structure in which the fibers in one ply are ori... | 06/10/2008 |
| 7381141 | Multi-component bat and assembly process A process for assembling a multi-component baseball bat includes providing a bat barrel having an end with a plurality of slots and selecting a bat handle. A section of the handle is enveloped by the end of the barrel. The barrel and handle are interconnected in coa... | 06/03/2008 |
| 7377867 | Bat having a sleeve with holes Disclosed herein is a bat comprising a handle portion, a transition portion attached to the handle portion, and a barrel portion attached to the transition portion. The barrel portion includes one or more first cross-sections having a first stiffness and a plurality... | 05/27/2008 |
| 7377866 | Multi-component bat having threaded connection and assembly process A process for assembling a multi-component baseball bat includes providing a bat barrel having a threaded section and selecting a bat handle having a threaded section. The barrel and handle are interconnected in a threaded engagement, defining an intermediate tapere... | 05/27/2008 |
| 7364520 | Sporting good items including pre-printed graphics A sporting good item or other product includes a “shrink-label” formed from a shrink-sleeve, shrink-wrap, or a stretch-sleeve adhered to or otherwise affixed to an outer surface of the item. The shrink-label includes pre-printed graphics and closely conforms to ... | 04/29/2008 |
| 7361107 | Ball bat exhibiting optimized performance via selective placement of interlaminar shear control zones A ball bat exhibits improved barrel performance in regions located away from the “sweet spot” of the bat barrel, as a result of strategic placement of interface shear control zones (“ISCZs”) in the barrel. The ball bat includes a barrel having a first region... | 04/22/2008 |
| 7361106 | Bat having a sleeve with slots Disclosed herein is a bat comprising a handle portion, a transition portion attached to the handle portion, and a barrel portion attached to the transition portion. The barrel portion includes one or more first cross-sections having a first stiffness and a plurality... | 04/22/2008 |
| 7344461 | Composite bat with metal sleeve A baseball bat has a composite bat body including a grip, a handle and a barrel extending from the handle. The baseball bat also includes a generally tubular, resilient sleeve having greater impact absorption and resistance characteristics than the composite bat bod... | 03/18/2008 |
| 7334488 | Testing apparatus and method for composite articles A testing apparatus for a composite material includes a base for holding the composite article, a load cell for placing a selected load on a portion of the composite article, and a displacement measuring device for measuring the amount of displacement for a selected... | 02/26/2008 |
| 7331885 | Bunting bat Bats that aid in bunting are disclosed herein. The bats generally include a rounded elongate shaft having a handle end and a contact end, and the handle end may have a diameter that is smaller than a diameter of the contact end. In an embodiment, at least one indica... | 02/19/2008 |
| 7320653 | Tubular baseball bats with full length core shafts A tubular baseball bat comprising a substantially full length core shaft of preferably constant cross-section, including a handle portion, and a barrel with a gap or separation between the core shaft and barrel, the core shaft and barrel being connected at two or mo... | 01/22/2008 |
| 7311620 | Bat with interchangeable sections A bat having interchangeable sections comprising a handle section and a hollow striking section. The handle section includes a first end and a second end, while the hollow striking section includes a tapered portion and a barrel portion. The second end of the handle... | 12/25/2007 |
| 7294073 | Bat having a sleeve with holes Disclosed herein is a bat comprising a handle portion, a transition portion attached to the handle portion, and a barrel portion attached to the transition portion. The barrel portion includes one or more first cross-sections having a first stiffness and a plurality... | 11/13/2007 |
| 7264759 | Compression molding process for grip for sport implement A grip for a sporting implement is formed of two rubber materials having different durometer rating and formed in a compression molded process. An underlisting is injection molded from one relatively hard rubber material providing desired torsional resistance and th... | 09/04/2007 |
| 7261654 | Extendable bat An extendable bat has a covering member, a tubular core, a handle, an adjusting device, a cap, and a collar. The adjusting device has a first locking member and a second locking member. With the cooperation of the first locking member and the second locking member, ... | 08/28/2007 |
| 7241195 | Game call striker A game call striker for frictionally interacting with a prior art game call. The game call striker includes a striker member that outwardly extends from a body portion. The body portion comprising first and second sound chambers, the first sound chamber including an... | 07/10/2007 |
| 7232388 | Polymer composite bat A baseball bat is described having of an elongated cylindrical handle portion for gripping, a cylindrical barrel portion for striking and a tapered cylindrical mid-section connecting the handle portion and the barrel portion, wherein at least the barrel portion is t... | 06/19/2007 |
| 7232387 | Tamper resistant end cap for a bat A tamper deterring end cap for a bat. The bat includes a barrel, a taper, and a handle. The end cap comprises first and second elements integrally formed together such that attempted separation of the two elements distorts at least one of the elements. The second el... | 06/19/2007 |
| 7232386 | Hockey stick A composite hockey stick having a tubular hollow rectangular shaft and a blade is disclosed. The shaft comprises an inner layer and an outer layer, each of the inner and outer layers are formed of uni-directional substantially continuous fibers disposed in a hardene... | 06/19/2007 |
| 7229370 | Filament wound bat and winding and molding method therefore A method and apparatus for manufacturing a bat having an exterior and a hollow interior. The method consists of successive steps of placing a first layer of filament onto a rotating mandrel while simultaneously applying resin to the first layer; winding additional l... | 06/12/2007 |
