Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 7389730 | Track-guided toy vehicle A toy vehicle is operated as a track-guided vehicle and cooperates with a metallic current rail device of the track via one or more current consumers. A magnet is installed in the toy vehicle which is moved by an electric motor to optimize the traction between the t... | 06/24/2008 |
| 7271809 | Method for using viewing time to determine affective information in an imaging system A method for determining affective information for at least one image in an imaging system includes sequentially displaying a plurality of digital images for viewing by a user; monitoring the viewing time for each of the plurality of digital images; and using the vi... | 09/18/2007 |
| 6769517 | Suspension for a rail brake The invention relates to a suspension for a rail brake on a bogie of a rail vehicle. A passive lifting device is provided which acts upon the rail brake according to the activation state thereof in such a way that said brake can be displaced between a lowered brakin... | 08/03/2004 |
| 6422151 | Toy car with adjustable magnetic adhesion The invention relates to a toy car with adjustable magnetic adhesion for an auto racetrack having ferromagnetic current conductors countersunk in the roadbed. The conductors are in active communication with a permanent magnet countersunk in the chassis of... | 07/23/2002 |
| 5862891 | Electromagnetic or permanent-magnetic rail brake A magnetic rail brake, particularly an eddy current brake for rail vehicles, has at least one exciter coil which comprises a coil around a pole core as well as a device for holding the coil and/or for the protection against outside environmental influence... | 01/26/1999 |
| 5609107 | Support for a self-propelled linear motion drive apparatus The invention supports a mechanical carriage at three contact points for precise positioning on two guide rails, one guide rail having a V-grooved surface and the other having a flat surface. Two of the three contact points are recirculating ball bearings... | 03/11/1997 |
| 5598739 | Self-propelled linear motion drive apparatus A linear motion drive apparatus uses a friction drive wheel to drive a carriage along two rails. The drive shaft of the friction wheel is supported by the carriage, and has a rotor of a pancake motor and an inertia wheel non-rotatably attached thereto. Th... | 02/04/1997 |
| 5526755 | High adhesion magnetic rail A magnetized rail for improving the adhesion between the rail and the steel wheels of a rail car will help prevent skidding of the rail car when decelerating from a high speed. The rail is split with an air gap in the rail head and a electromagnet coupled... | 06/18/1996 |
| 5408935 | Transportation system using magnetic belt propulsion A magnet-type transportation system of a car-side primary type includes a rail of a magnetic material, fixedly laid down along a traveling track, and a power car capable of self-movement by a plurality of wheels adapted to roll over the traveling track. T... | 04/25/1995 |
| 5018605 | Magnetic rail brake device A magnetic rail brake device for rail vehicles, comprising one or more pairs of brake blocks adapted to be pulled, in operation, magnetically against the rail. The brake device is characterized by at least one permanent magnet movable up and down in a mag... | 05/28/1991 |
| 4719861 | Energy management method for a locomotive including single-sided linear induction motors Single-sided linear induction motors (SLIMs) suspended in proximity to the rail of a locomotive are energized to increase the effective adhesion between the locomotive drive wheels and the rail in response to the detection of an operating condition in whi... | 01/19/1988 |
| 4676173 | Bogie for rail vehicles A bogie for a rail vehicle having a load bearing frame for supporting the vehicle from axle boxes on wheel sets has an integral coupling member connecting the axle boxes on one wheel set with the axle boxes on the other wheel set. The integral coupling me... | 06/30/1987 |
| 4593625 | Motor vehicle bogie A vehicle bogie which includes a pair of mechanical bearings mounted on shafts of wheel assemblies and U-shaped beam surrounding the shafts and bridging the pairs of mechanical bearings. A linear induction motor is suspended from the beams, with the linea... | 06/10/1986 |
| 4484666 | Electromagnetic sliding shoe brake An electromagnetic sliding shoe brake also referred to as a slipper shoe ke is constructed especially for use in or on rail vehicles, especially high speed rail vehicles. The magnetic core, with its energizing coil, has at least two pole pieces. The slid... | 11/27/1984 |
| 4482034 | Switchable permanent magnet brake A switchable permanent magnet eddy current or track brake which has a high density of permanent magnet material, a low internal flux leakage and a higher than heretofore output flux density. The pole shoes of the movable magnets are convex cylindrical seg... | 11/13/1984 |
| 4421990 | Tidal power plant and method of operating the same A tidal power plant and method of operating the same are disclosed. In tidal power plants the turbines are arranged in channels between the sea and a storage reservoir. Heretofore known constructions of tidal power plants included relatively complex mecha... | 12/20/1983 |
| 4299312 | Electromagnetic track brake for a railway vehicle An electromagnetic track brake for a railway vehicle comprises an elongate brake energizing coil (1), an oval frame (2) thereabout, and a plurality of U-shaped shoes (3) mounted in a row on the frame. In order to improve the working characteristics and th... | 11/10/1981 |
| 4198910 | Magnet suspension railway vehicle A magnetic suspension vehicle carries serially arranged magnet structures which are serially coupled to each other and resiliently mounted for adaptation to an associated rail arrangement.... | 04/22/1980 |
| 4046080 | Motorized swiveling streetcar trucks A motorizable swivel truck for rail vehicles, especially streetcars, having a truck frame on which a cradle frame lying transversely of the direction of travel is supported by at least one coil spring, and the car body rests upon the cradle frame through ... | 09/06/1977 |
| 4041877 | Lateral guidance device for wheel sets of rail vehicles Lateral magnetic guidance apparatus for laterally guiding a wheel set of a rail vehicle with respect to a support rail. The apparatus includes electromagnets carried with the wheel sets and positioned and controlled so as to effect return of the wheel set... | 08/16/1977 |
| 4038928 | Lateral magnetic truck wheel positioning assembly Lateral guidance apparatus for laterally guiding a wheel set of a rail vehicle with respect to a support rail. The apparatus includes electromagnets carried with the wheel sets and positioned and controlled so as to effect return of the wheel set to a cen... | 08/02/1977 |
| 3995724 | Centering device for a rail brake magnet unit A rail brake magnet unit on a vehicle comprising separate rail brake magnets or a plurality of rail brake magnets connected together by a frame is vertically movable between a lowered operative position and a raised inoperative position. On approximately ... | 12/07/1976 |
| 3958669 | Resiliently supported magnetic rail-brake suspension device A rail-brake magnet is suspended from structure on a railway vehicle at a predetermined distance above a rail when in its non-operating state by a spring. Abutment means are provided to limit the movement of the spring in the direction of raising the rail... | 05/25/1976 |
| 3941062 | Electromagnetic system for transversely aligning railway rolling stock on rails A system for transversely aligning railway rolling stock on the rails including electromagnets arranged outside the wheel base of the rolling stock axles. The electromagnets are transversely aligned to the rails and separated from the rails by air-gaps. M... | 03/02/1976 |
| 3940185 | Centering device for rail brake magnets on vehicles A device for centering a rail brake magnet comprises a centering element on the vehicle structure and having a centering bore with a conical surface around the bore. The magnet is provided with a rotatably adjustable eccentric sleeve within which is rotat... | 02/24/1976 |
| 3931869 | Braking device for railroad bogie running at high speed Braking device for railroad bogie running at high speed, comprising a fixed part integrally connected to the frame of the bogie and a movable part suspended from the fixed part and adapted to be vertically displaced by suitable means towards a rail. The m... | 01/13/1976 |
