In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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 |
| 8061627 | Flexible track system A flexible track system includes at least one track section that includes a main body comprising two opposed side portions and a running surface extending between the two opposed side portions. The two opposed side portions extend at an angle from the running surfac... | 11/22/2011 |
| 7051948 | Flexible track for a toy vehicle A track for a toy vehicle and such vehicle are provided. Each track segment has an upper layer and a spaced apart lower layer. A pivot pin is vertically disposed on a forwardly projecting tongue attached to one of the upper and lower layers, and a rearwardly dispose... | 05/30/2006 |
| 6974086 | Rail boards A rail board has a base and at least one rail extending along the base. A projection extends from a first end of the base and a socket is provided in a surface of the base at the second end thereof. At least part of the projection has an outwardly tapered profile. A... | 12/13/2005 |
| 6953377 | Suspended runway A runway over which can travel vehicles driven by gravity, comprising a supporting structure and a track line structure sustained by the supporting structure and extending from a upper start region to a lower arrival region, wherein the supporting structure is limit... | 10/11/2005 |
| 6572434 | Roller coaster toy A roller coaster toy includes a set of cars mounted on a track. Each car has at least one pair of movable side wheel assemblies mounted for movement towards and away from opposite sides of a respective car to enable the cars to be easily placed on, or rem... | 06/03/2003 |
| 6508179 | Unpowered toy vehicle play set A play set for use with unpowered (e.g. 1/64 scale) toy vehicles having non-steerable, free rotating wheels includes a closed loop track with a conveyor that raises such unpowered toy vehicles from a lower end to an upper, elevated end and a driven, tilti... | 01/21/2003 |
| 6409091 | Toy railroad track for use on a bathtub For use with a toy train being formed by a toy engine and a plurality of cars, a toy railroad track includes a plurality of straight and curved track sections. Each track section has a top surface and a bottom surface. The straight and curved track sectio... | 06/25/2002 |
| 6328500 | Segmented toy roadway, toy roadway segment, and method of making same A kit is provided for assembling a closed-loop toy simulation of a roadway comprising at least four curved road segments and at least two straight road segments, each road segment having an upper non-skid surface and at least one marking on such surface t... | 12/11/2001 |
| 6019289 | Modular track segment for model railroad track and electrical accessory therefor A modular track segment for a model railroad track includes a plurality of conductive strip members secured to the lower surface of the segment and in electrical connection with respective rails on the upper surface of the track segment. Respective forwar... | 02/01/2000 |
| 5967052 | Wall-mountable toy track assembly with scenery slots A toy track assembly for use with a toy vehicle is supported by a substantially vertical wall or a substantially horizontal flat surface. The toy track assembly includes at least one scenery cutout, an upper track and a lower mounting having a first matin... | 10/19/1999 |
| 5931099 | Model train set with storage means and variable track arrangement A model train set includes a base member having two base member sections that are connected together in a horizontal arrangement such that an upper surface is formed. The upper surface has a continuous integral trackway disposed thereon. The model train s... | 08/03/1999 |
| 5873521 | Children's play apparatus A children's play apparatus which includes a specially designed play table that can be used with commercially available toys including toy trains and train tracks, and one that can also be used with specifically designed modules for supporting sections of... | 02/23/1999 |
| 5839937 | Portable model railroad A portable model railroad including a foldable enclosure comprised of a pair of tray members. The enclosure includes a hinge secured between interior edges of the tray members. A track system is removably secured to and extends around the pair of tray mem... | 11/24/1998 |
| 5813351 | Racetrack structure A racetrack structure includes several track sections, the track sections are engaged with each other by hinges, therefore the racetrack can be folded for storage. Each of the track sections of the racetrack structure has PC boards provided at two ends th... | 09/29/1998 |
| 5657695 | Reversible race track system A reversible track section for a toy car circuit. The reversible track section has a length, two opposite ends, two opposite sides, a top surface and a bottom surface. The reversible track section includes a thin, elongated plate including a central reces... | 08/19/1997 |
| 5579997 | Toy vehicle track section with overlapping pivoted flanges A track section for pivotally interconnecting sections of toy vehicle track comprising at least two pivotally attached segments, each segment having a top surface, a bottom surface, and spaced apart ends. The track section further comprises cooperating ra... | 12/03/1996 |
| 5577448 | Toy monorail system with support apparatus A toy monorail system supports a shuttle craft chassis with a figurine attached. An electric motor picks up power from wire contacts for propelling the chassis along the monorail track. The shuttle craft is readily placed on and lifted from the monorail t... | 11/26/1996 |
| 5207589 | Current conducting system The current conductor arrangement, more especially for illuminating systems of all types, comprises a current conductor rod whose mutually insulated metallic current conductors make up at least 50% of the cross sectional area of the current conductor rod.... | 05/04/1993 |
| 5085148 | Toy with remote control track switching A track toy includes an infrared signal transmitter for transmitting at least one type of infrared signal, a track having at least one changeover element movable between two operative positions, and a drive coupled to the at least one changeover element f... | 02/04/1992 |
| 5038685 | Track apparatus for a toy racing car A track apparatus for a toy racing car includes a car-entry track portion, a car-exit track portion, and a pivotal arm pivotally mounted between the two track portions to carry a car from one portion to the other. The pivotal arm has a stand connected to ... | 08/13/1991 |
| 4953785 | Track assembly for toy vehicle A track assembly for toy vehicles includes a first track section having an elongated fastening tongue element on one end thereof and a second track section having a receiving slot on one end thereof. The fastening tongue element is receivable in the recei... | 09/04/1990 |
| 4941611 | Toy roadway tile Tile for use in forming a toy roadway, each tile having a roadway pattern formed on it and each tile having an engagement structure for interlocking with similar adjacent tiles to form a complete system. The pattern of the roadways of the complete system ... | 07/17/1990 |
| 4941610 | Construction piece for toy vehicle track A construction piece usable, in combination with other identical pieces, for forming a toy vehicle track, having interengaging slots and studs whereby a front side of one piece may be connected to the rear side of another, with slight inclination of the p... | 07/17/1990 |
| 4826076 | Device for the support of driving tracks for toy vehicles A device for the support of driving tracks for toy vehicles, in particular driving tracks consisting of track segments which are plugged together and which have a center section laterally bounded by guiding elements. The center section of each track segme... | 05/02/1989 |
| 4817867 | Track installation for model railways In order to reduce the rail height to proportions corresponding to those of original railways while maintaining enough ground clearance, for wheels provided with European wheel flanges (3), a groove (12) running parallel to the longitudinal axis of the ra... | 04/04/1989 |
| 4781120 | Monorail train set A toy monorail set is provided including a building for containing the parts to the set and selectively being a component part of the set. The monorail vehicle, building and monorail tracks are all made of sanded hardwood or other suitable smooth and hard... | 11/01/1988 |
| 4669657 | Toy train play setting with detachable storage building A toy train play setting having a landscape base structure molded in one piece, the upper surface having formed thereon a trackway, a depressed roadway portion, and upwardly extending wall portions of generally rectangular form for detachably receiving th... | 06/02/1987 |
| 4575350 | Track for toy vehicles A toy track (10) in the shape of a snake for use with a toy vehicle (38). The track has a tail end (12) and a head (24). The head including a top section (26) and a bottom section (28) having a mouth formed therebetween with a coiled tongue (30) therein. ... | 03/11/1986 |
| 4534745 | Percussion cap firing toy vehicle and track assembly A toy vehicle and track assembly is provided for the detonation of toy percussion caps. A striker member is pivotally mounted within a housing that is biased to rotate in a predetermined direction. The striker member is retained by a keeper member than ca... | 08/13/1985 |
| 4521206 | Track for toy vehicles An improved track for a toy vehicle is disclosed which is in the form of a one-hundred-eighty degree curve. A wall portion of the track is configured to contact a front portion on a first side of the vehicle as it moves along the curve. A post is located ... | 06/04/1985 |
| 4513966 | Vehicle jump for a toy vehicle game A toy vehicle jump includes a launching ramp and a landing ramp for an independently propelled toy vehicle, and an adjusting device for changing the orientation of one of the ramps from an operative position, in which a vehicle can negotiate the jump, to ... | 04/30/1985 |
| 4415157 | Two-way slotless road racing game A toy vehicle game includes a relatively flat slotless track having spaced sidewalls defining a pair of lanes therebetween. A pair of toy vehicles each having a body, a reversible electric motor and means for steering and/or biasing said vehicle into one ... | 11/15/1983 |
| 4397465 | Flexible strip with rolling and bending means A toy vehicular track formed of a thin strip of flexible material having a pair of lines parallel to its length formed to enhance bending. The strip is connected at one end to a drum the rotation of which causes the strip to be rolled on the drum for stor... | 08/09/1983 |
| 4349983 | Playset for toy vehicles A carrying case may be opened to present upper and lower scene-simulating objects including a serpentine roadway for toy vehicles which may coast down the roadway from the top of the rearwall of an upper carrying case portion to the bottom wall of a lower... | 09/21/1982 |
| 4285157 | Toy racing set A toy racing set including at least one powered vehicle, a length of flexible track, and a carrying case. The carrying case folds out to form a track upon which the vehicle may run. The case may also be used when closed with the flexible track to provide ... | 08/25/1981 |
| 4116381 | Electrical connection device for a toy vehicle track An electrical connection device for a toy vehicle track constructed of a track base to which conductor rails are mounted. The connection device comprises a contact base, two or more contacts resilently mounted in or on the base, each contact being arrange... | 09/26/1978 |
| 4091995 | Toy vehicle track A trackway for toy vehicles which includes a plurality of elongated track sections placeable end-to-end and having upper surfaces defining a roadbed for the toy vehicles along the top of the trackway. The track sections have complementary engageable latch... | 05/30/1978 |
| 3995907 | Underground excavating machine having independently movable half-frames The machine includes two half-frames vertically arranged side by side, with two parallel vertical shafts respectively supported by the two half-frames. A separate turret is pivotally supported around each of the shafts, each turret having a cutting head w... | 12/07/1976 |