Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7942751 | Sports facility A sporting facility comprises a plurality of rotary elements having flexible components extending therefrom, the rotary elements being arranged so that the flexible components thereof provide a substantially continuous supporting surface, and means for rotating the ... | 05/17/2011 |
| 7713133 | Surface composition for clay-like athletic fields New clay-like athletic surface compositions that utilize different types of glass cullet, such as container, ceramic, or plate glass, are provided. Preferably, recycled container-glass cullet between 1.4 millimeters and 20 microns in size is used to provide a slow p... | 05/11/2010 |
| 7367894 | Contoured variably tensionable soft membrane ride surface for ride attraction A ride surface for water ride attractions and the like is provided. The ride surface is fabricated from a reinforced membrane material tensioned over a supporting framework. The tensioned membrane ride surface serves the dual role of providing structural support for... | 05/06/2008 |
| 7309302 | Sliding exercise apparatus and recreational device A sliding exercise apparatus and recreational device which can be employed both wet and dry. A user can traverse the device which includes a surface which can be inclined as a durable low friction sheeting material. The user can be supported by a wide variety of veh... | 12/18/2007 |
| 7090586 | Activity surfaces An apparatus for an a method of closing a fixed gap in an activity surface such as a turfed race-track is described. The apparatus comprises a movable turf tray having an upper surface with the same characteristics as the activity surface and means for guiding the t... | 08/15/2006 |
| 6942487 | Skateboard trick master and amusement device A device for mastering skate board tricks and maneuvers comprises a frame. The frame has a top and the frame is adapted to rest on a support surface. A spring board is suspended from the frame by stretchable straps. A foot deck is rotationally secured to the spring ... | 09/13/2005 |
| 6939236 | Rotary ski slope A rotary ski slope comprising an inclined disc which is rotatable about an axis and has a diameter of at least 100 meters. The disc may be divided into a number of concentric rings (1) which are rotatable at different speeds. Means are preferably provided to ... | 09/06/2005 |
| 6719563 | Driving simulator The invention relates to a driving simulator, particularly for simulating the movements of earthbound vehicles. To take into account the special features of the movements of earthbound vehicles, the proposed driving simulator has a carrier unit that has a rigid floo... | 04/13/2004 |
| 6634953 | Sliding slope and means for sliding down objects or persons A downhill sliding course of sliding track for sliding objects and persons down a slope or a hill includes covering or cladding elements for covering the surface of the slope and a water source to moisten the elements with water. The sliding elements incl... | 10/21/2003 |
| 6508717 | Skiing facilities capable of changing shape of surface of ski slope and method for changing shape of surface of ski slope of skiing facilities Skiing facilities, which supply artificial snow onto the ski slope floor to form a ski slope, the skiing facilities, comprises a movable ski slope floor provided in a part of the ski slope floor along a width direction, a movable floor driving mechanism, ... | 01/21/2003 |
| 5649865 | Sports apparatus Sports apparatus having a variably tilting platform providing a continuously sloping surface. The platform is mounted to permit tilting in a plurality of planes. An actuating mechanism for tilting the platform includes at least two actuators and a fixed p... | 07/22/1997 |
| 5413545 | Training device, especially for downhill skiers A training device is capable of simulating for a person being trained by the device the motion of a slalom or "wedeln" skiing. The device includes at least two rotating disks which are operatively connected to each other and rotate in opposite directions.... | 05/09/1995 |
| 5387159 | Continuous wave generating apparatus for simulated surfriding A wave-generating apparatus that is used for various types of surfriding water sports, such as body-surfing, boogie-boarding, and belly-boarding and is defined by a horizontally positioned, rotatable, cylindrical housing cradled in a frame structure, wher... | 02/07/1995 |
| 5184980 | Sports apparatus An artificial ski slope assembly is disclosed, which includes an upwardly moving inclined skiing zone formed as a zone on a moving endless conveyor assembly. The latter is suitably in the form of an inclined, distorted disc having one side part, which has... | 02/09/1993 |
| 5031897 | Roller slide A children's playground slide having a slide portion including side support rails, cylindrical bearing housings coupled to the each of the support rails. The slide also includes a plurality of roller cylinders between the support rails thereby defining a ... | 07/16/1991 |
| 5018721 | Sliding device There are disclosed several sliding devices. One sliding device comprises a sheet mounted on a slope and having a descending substrate, a plurality of recesses arranged uniformly on the substrate, a plurality of balls engaged in the recesses for supportin... | 05/28/1991 |
| 4423864 | Angularly adjustable ski deck An angularly adjustable ski deck is selectively downwardly or upwardly inclinable. A stand is pivotally connected to a frame, which frame rotatably supports a pair of belt rollers at either end thereof along a line transverse to the length of said frame. ... | 01/03/1984 |
| 4391201 | Aquatic toboggan slide An aquatic toboggan slide has a trough like chute with side walls and a bed of closely spaced rollers, the toboggans discharging horizontally from the chute about 12-20 inches above a body of water so as to skip or plane over the water surface. The tobogg... | 07/05/1983 |
| 4179539 | Ski slope An artificial skiing surface comprising a plurality of single elements formed from plastic adapted to be detachably joined together in side-by-side relationship including a base layer provided with a plurality of flexible upwardly extending plastic finger... | 12/18/1979 |
| 4148477 | Simulated ski slope slide structure A simulated ski slope slide including an elongate forwardly and downwardly inclined deck having a flat top surface and elongate endless carrier belt with a fibrous pile surface engaged about the deck to extend longitudinally thereof and driven so that its... | 04/10/1979 |
| 4087088 | Moving artificial ski surface construction An artificial ski surface construction includes a support surface having an energy absorbing base of elastomer thereon. A flexible sheath covers the energy absorbing base and includes a continuous surface having a fabric underside to contact the sheath wi... | 05/02/1978 |