Matches 1 - 50 out of 94 1 2 >
Match Document Document Title
7559164 Football down marker  
A down marker for use in a football game includes a vertical support and a display panel that extends from the vertical support. This display panel carries an array of solid state lighting devices...
7429225 Tennis net lifter system and associated method  
A tennis net lifter system includes first and second portable lifter posts positioned adjacent to existing tennis net anchor posts in various positions. A mechanism is included for connecting the...
7429223 Gate for a paddle and ball game  
The invention relates to a gate apparatus for a paddle and ball game, to a game including the same and to methods for playing the game. The gate apparatus comprises a frame for delimiting a closed...
7361104 Automated ball game training and playing system  
A ball game system for training and/or play comprising one or more playing areas suitably large to accommodate running and jumping players, each playing area including adjacent surface areas...
7344458 Overhead-supported net system  
A net system pivotally displacing a net between a playing position in a vertical plane bifurcating a playing area and a nearly horizontal elevated storage position freeing the playing area for...
7219438 System for operating one or more suspended laser projectors to project a temporary visible image onto a surface  
A temporary visible image, such as a first down reference line, corporate logo, or text is projected onto a target surface by an orientation-stabilized, fiber-fed laser projector. The projector may...
7204764 Hockey safety net  
A method and system are provided for supporting, installing, and removing a safety net or other partition in a multiple use facility. The support system is comprised of a number of linear or...
7185439 System for measuring the position of a ball in a sporting event  
A sporting apparatus for use in football. The sporting apparatus is a system that measures the manner in which football downs and distance is calculated in football. The system includes two down...
7011587 Inflatable field enclosure divider  
An inflatable barrier for simultaneously substantially enclosing several areas comprising an elongated, hollow barrier member formed of connected elements of flexible substantially fluid impervious...
6988964 Yard game that uses balls and rings  
A method of playing a game comprises a number of steps. Initially, boundaries of a playing field are marked with the playing field including a plurality of playing zones, with at least one end of...
6976928 Sports ball spotting apparatus  
An apparatus used to officiate sporting events in which the positioning of the ball on the field by the officials is critical to the play. The apparatus employs a laser beam which is directed by...
6908360 Boomerang-like toy  
The invention is a projectile plaything, namely a boomerang-like toy that, if properly thrown, will fly in an arcuate path and return to the area of its release. The plaything will be formed to...
6895677 System for operating one or more lasers to project a visible line onto a surface  
At least one temporary visible reference line is projected onto a target surface, as for example, an athletic field, by several laser sources. A first laser source emits optical energy—at a...
6802789 Volleyball practice system  
A volleyball practice system that includes a generally rectangular first flexible panel supported from a pair of vertical supports, and at least one connector of adjustable length extending from at...
6796041 System for operating one or more lasers to project a visible line onto a grass-covered surface  
An apparatus for providing at least one temporary visible line on a surface within the view of at least one video camera. The system comprises a first laser source disposed at a first elevated,...
6751880 System and method for operating groups of lasers to project a visible line of demarcation within discrete regions of an athletic field  
The surface of an athletic field is divided into multiple regions or zones. A first of these zones is served by a first group of laser sources. A second of the zones is served by a second group of...
6716123 Net support rack assembly  
A net support rack assembly comprising two connectors, two longitudinal tubes, four transverse tubes, two elastic cords, two bottom tubes, two first connecting tubes, a second connecting tube, a...
6682444 Ball game method for play on a court including a deformable-elastic surface  
A game court and method for playing a game thereon are disclosed. The game court comprises a playing surface suitably large for running and jumping players, having adjacent surface areas with...
6676546 Game court for elevated goal ball game and game played thereon  
A game court and method for playing a game thereon are disclosed. The game court comprises a playing surface suitably large for running and jumping players, having adjacent surface areas with...
6634966 Ball game system including a resiliently suspended floor and elastic ball  
A game court and method for playing a game thereon are disclosed. The game court comprises a playing surface suitably large for running and jumping players, having adjacent surface areas with...
6579195 Baseball swing trainer device  
The unitary structure includes a rear frame member from which oppositely disposed side frame members extend forwardly. Laterally extending forward frame members are provided on the side frame...
6488600 Sports floor structure  
A court for accommodating players in play of a game that employs a ball comprising a floor including a playing surface having ends, goals each supported proximate one of the ends, markings on the...
6430819 Sport measuring apparatus  
A measuring apparatus for identifying the boundaries and indicia of a basketball court or street hockey rink, respectively. In a first embodiment, the measuring apparatus comprises the combination...
6419599 Method and means for locating perimeter points for lines on athletic fields  
A method of identifying perimeter markings for lines on athletic fields involves locating two or more perimeter points on a line of an earthen athletic field comprising a ground surface; drilling a...
6390940 Basketball game, apparatus and method of play  
An alternative to traditional basketball that enables the audience to enjoy faster action than provided by traditional basketball, and which challenges especially gifted players with a more...
6386997 Ultimate ring toss game  
A game for play between opposing teams on a field involves a resilient ring that is thrown by a team member to be caught by another member of the same team. The field is marked to display a...
6253456 Basketball court layout device and method  
A device and method to quickly and easily layout various features of a basketball court, including the key area, free throw line, jump circle and three point line, in relation to the location of...
6251033 Paintball game field and method of play  
A method and playing field for a competitive paintball game that increases the amount of action occurring during the game period. The playing surface for the paintball competition includes a pair...
6248030 Tennis net regulating apparatus  
Apparatus for adjusting a tennis net of the kind that is supported by a cable or the like stretched between two supporting points, the apparatus comprising a tightening mechanism for adjusting the...
6234918 Net scoring system  
The present invention is directed to a net scoring system for accurate and convenient scoring of a sporting contest. The net scoring system has a game net which is of a generally rectangular shape...
6227989 Sports field line marking system  
A line marking system for installing permanent field lines in natural grass fields is disclosed. The system comprises a line fixed to a backing sheet which is installed under the grass sod. The...
6120395 Temporary rearrangeable marking system  
A rearrangeable marking system for a hard floor or ground surface comprises a set of individual spot markers. Each spot marker is made of a synthetic polymeric material. The markers have a...
6089995 Split collar for sport nets  
A unique sleeve which is capable of supporting two adjacent nets on a single standard or pole at the same height above the ground as well as being adjustable to different heights relative to each...
6048282 Line system for playing field  
A method of visually marking a line in a natural grass turf playing surface by embedding a synthetic grass strip within the natural turf of football fields and the like. The synthetic strip has a...
6010416 Portable athletic field boundary  
A portable field boundary for field sports such as soccer, football, flag football, rugby, field hockey, ultimate, lacrosse or others is formed of a flexible cord or twine with pennants or flags or...
5976039 Adjustable ball court system and method for handicapping a contest  
A system and method for handicapping a ball game such as tennis or volleyball between opponents of lesser and greater skills, by varying or moving at least one of the parameters of the court on...
5953882 Supportless dasher board  
A dasher board assembly having a U-shaped channel for receiving a shielding panel, and a rotatable cam co-operating with the channel to releasably clamp the shielding panel to the channel.
5928095 Court boundary tape and measuring apparatus therefor  
A kit for forming a court upon a generally planar playing surface. In a first embodiment, the kit comprises a plurality of pieces of tapes adhesively attachable to the playing surface wherein each...
5916049 Permanent field marker  
A new permanent field marker for permanently marking foul lines and sidelines for ball fields. The inventive device includes an elongated strip having a tab portion extending downwardly therefrom...
5885176 Portable volleyball net and stand  
Applicant's invention defines a portable volleyball net and stand which comprises two standards having a set of guys in a "V" configuration connected to ground anchors and adjustable for tensioning...
5878505 Device for marking a measuring point  
The device comprises a pipe (1), in which a shaft (20) of a marking component (2) can be moved. The pipe (1) has a soil anchor (4) at the bottom. The component (2) has a head (21) at the top and...
5865691 Combination of sports game apparatus  
A combination of sports game apparatus including a plurality of U-blocks, a plurality of triangle blocks, a plurality of elongated tubes, a plurality of L-bars, a plurality of angle connectors, and...
5839903 Playing aid strips  
A modular playing aid strip that a user can join in any conformation desired. The strips are joined together by grommets and anchors and/or by Velcro. The strips can be easily removed from the...
5816956 Net support structure  
A net support structure is disclosed which provides for easy assembly and disassembly at any location for enabling games such as tennis and volleyball to be played as well as providing a rebound...
5800297 Court boundary tape  
A kit for forming a court upon a generally planar playing surface. In a first embodiment, the kit comprises a plurality of pieces of tapes adhesively attachable to the playing surface wherein each...
5741194 Adjustable boundary layout and apparatus and games therefore  
An adjustable boundary layout and apparatus for outlining shapes and figures or a playing field of any dimension, made up a plurality of detachably connected flexible cords (10) attached by...
5474301 Field markers  
Spot markers for delineating areas used for athletic contests or games are configured as flat panels made of flexible material. Each panel includes a tongue and recess wherein the panel may be...
5427383 Method and apparatus for laying out playing fields  
A playing field layout device includes an alignment guide having a plurality of lines marked thereon. A stake is inserted in the alignment guide, and a cord has one end attached to the stake. The...
5371949 Method and tape construction for laying out a baseball diamond  
A reel dedicated to the layout of a baseball diamond includes a tape with an inner end reeled onto a reel body and an outer end attached to the reel body to form a loop of the tape. The loop has a...
5180143 Portable sport boundary fence  
A portable sport boundary fence is provided for use in a miniaturized baseball game wherein a hollow, perforated plastic ball is used with a hollow plastic bat wherein the fence comprises a...
Matches 1 - 50 out of 94 1 2 >