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 |
| 5108514 | In-situ method for cleaning swimming pools without draining the water This invention discloses an in-situ process or method for cleaning the interior surfaces of a swimming pool or the like for removing stains, scale, calcium deposits, and the like, and without the need for draining the pool. The chlorine content of the poo... | 04/28/1992 |
| 5076261 | Motor-driven therapeutic apparatus The therapeutic apparatus of the present invention includes a portable case having a hollow interior for housing a motion-generating case or housing wherein the front end of the assembly is provided with an elongated slot for extending an elongated rod th... | 12/31/1991 |
| 4995374 | Throw and fetch doggie toy A ball-launching system for a dog's ball which automatically launches or shoots a ball along an airborne path, thereby enabling the dog to chase the ball, fetch it and return it to the system. The system includes a ball collection area for receiving the r... | 02/26/1991 |
| 4907348 | Navigational tape measure-type apparatus A tape measure-type apparatus including a teardrop-shaped housing having a hollow interior. The housing has a rounded rear portion for storing a self-biased steel strip adapted to wind itself into a coil within the hollow interior of the rounded portion. ... | 03/13/1990 |
| 4866572 | Portable combination of food preparation unit The present invention relates generally to a portable meal preparation assembly which includes a microwave oven unit, a refrigeration or ice chest unit, a container unit for carrying articles necessary for meal preparation, and a power supply unit. Each o... | 09/12/1989 |
| 4836239 | Water cooling tower and water level control system therefor The present invention discloses an apparatus for monitoring the level of a liquid such as water in a reservoir of a water cooling tower or the like wherein it is required to maintain a predetermined desired liquid level and for generating a first control ... | 06/06/1989 |
| 4827258 | Traffic light change anticipation system the present invention discloses a method and apparatus for enabling motorists to anticipate the change of a traffic signal from green to red in sufficient time to enable the motorist to either stop or proceed through the intersection by altering his or he... | 05/02/1989 |
| 4817488 | Guitar slide bar apparatus A guitar slide apparatus adapted to be worn on and removed from at least one selected finger of a guitar player's fret hand. The device is dimensioned to fit on the mid-portion of the player's finger and can be worn without removal or repositioning thereo... | 04/04/1989 |
| 4817176 | Method and apparatus for pattern recognition A method and apparatus for recognizing an unknown character, pattern, or indicia, or the like as being a particular one of a group of known reference characters, patterns, indicia, or the like. In the preferred embodiment, the system converts scanned and ... | 03/28/1989 |
| 4806782 | Auxiliary brake light control system The present invention relates to an auxiliary brake light control system which has its primary application in motor vehicles equipped with standard transmissions. In such vehicles, the brake lights are normally illuminated by means of a pressure switch as... | 02/21/1989 |
| 4784382 | Children's user-friendly podium A height-adjustable, user-friendly, child's podium for use by children from pre-school years through elementary school to the sixth grade which assists a child in learning to speak before groups without fear, tension and apprehension. The child's podium o... | 11/15/1988 |
| 4769596 | Printed circuit board tester An apparatus for simultaneously testing a large plurality of conductive paths on a bare printed circuit board for short circuit and open circuit conditions. The bare printed circuit board has a rear surface which includes a plurality of terminals located ... | 09/06/1988 |
| 4732012 | Energy efficient evaporative cooler cover apparatus An energy-saving cover for evaporative coolers. An oversized top portion provides a sufficient overhang about all four sides of the cooler for shading purposes. An insulative side panel is associated with each of the sides of the cooler and the panels are... | 03/22/1988 |
| 4730184 | Neighborhood audio-visual alarm system The proposed invention finds particular use in homes which do not have and/or in which the occupants cannot reach a telephone for phoning the police when an emergency condition exists, but which rely on neighbors, who do have telephones, observing the exi... | 03/08/1988 |
| 4724552 | Apparatus for automatically maintaining a predetermined desired level of water in a swimming pool, and the like An apparatus for automatically monitoring the level of water in a swimming pool, or the like, by monitoring the level of a float within a float chamber supported by water siphoned from the pool system, for detecting when the level of water has fallen a pr... | 02/16/1988 |
| 4722327 | Therapeutic apparatus A therapeutic apparatus for relieving sexual frustrations in women without sex partners which includes a generally rectangular, substantially flat, platform with a pair of longitudinal rails mounted along the axis of the platform. A housing includes a low... | 02/02/1988 |
| 4719935 | Portable multi-purpose tent assembly A tent-like apparatus which has a substantial portion of its roof cut out to form a roof opening. Fastener means are provided around the roof opening, and various types of inserts each having its own fastener about its peripheral edge and each being sized... | 01/19/1988 |
| 4713943 | Evaporative cooler including an air-to-air counter-flow heat exchanger having a reverse temperature profile An evaporative cooler air conditioning system comprising an air-to-air counter-flow heat exchanger having separate dry cooling and wet evaporating chambers, air saturating elements, and air movement devices. Ambient supply air or other fluid is forced thr... | 12/22/1987 |
| 4693212 | Animal restraint apparatus and method An animal restraint apparatus having a plurality of elongate anchoring members each of which is attached to a baseboard by means of elongated pin which is received within an elongate slot in each elongate anchoring member. Each pin is provided with thread... | 09/15/1987 |
| 4686718 | Method and apparatus for automatically maintaining a predetermined desired level of water in a swimming pool, and the like An improved method and apparatus for automatically monitoring the level of water in a swimming pool, or the like, by monitoring the level of a float within a float chamber supported by water siphoned from the pool system, for detecting when the level of w... | 08/18/1987 |
| 4686726 | Waterbed sheet and insert means therefor A waterbed mattress sheet an insert, combination having waterbed sheet flaps defining pockets into which resilient, sheet-anchoring inserts can be placed, serving to secure the sheet over the waterbed mattress since the inserts conform in shape to the sid... | 08/18/1987 |
| 4682777 | Board game The present invention relates to a definition-word spelling game which is both educational and entertaining. The game uses a game board, a deck of cards, player pieces, letter-covering pieces, marker pieces and a chance device. The four sides of the game ... | 07/28/1987 |
| 4681238 | Re-closure device for pop top containers A resealable, anti-litter-type pop top beverage container wherein a rotatable tab member can be raised to depress a sealing member into the interior of the container to fully expose the lid opening for drinking or the like. The sealing member includes a s... | 07/21/1987 |
| 4675575 | Light-emitting diode assemblies and systems therefore A light string system is provided having a plurality of mono-color or bi-color light-emitting diodes electrically connected thereto. Each light-emitting diode has a generally elongated, hollow envelope mounted thereover, and the envelope is substantially ... | 06/23/1987 |
| 4673064 | Rear disk brake conversion kit The present invention includes a conversion kit having substantially four pairs of pieces including a pair of rotors, a pair of calipers, a pair of bracket plates, and a pair of hub inserts along with the necessary fastening structure. The installation or... | 06/16/1987 |
| 4658966 | Hanging file for blueprints and the like The present invention provides a hanging file system for releasably suspending a plurality of relatively large flat pages of blueprints or the like in a hanging relationship to one another including a generally rectangular rack portion having a plurality ... | 04/21/1987 |
| 4656673 | Individually attachable pockets for articles of clothing such as shirts The present invention discloses an iron-on pocket for a pocketless shirt or similar article of clothing adapted to receive a pocket wherein a piece of pocket material substantially similar or equivalent to the shirt material and cut in the form of a pocke... | 04/14/1987 |
| 4644595 | Portable motorized bed lift apparatus A portable motorized bed lift apparatus is provided for enabling a prone patient who is disabled, handicapped, an invalid, or the like to raise himself to a sitting position with the weight of his upper body portion substantially over his hips without the... | 02/24/1987 |
| 4643427 | Set of sculptural construction pieces A set of geometric construction pieces, units, or blocks is provided including one large central piece and four pair of decreasingly smaller pieces which can be formed together to form a nested hollow cube for storage purposes. The pieces are manually sep... | 02/17/1987 |
| 4600209 | Transport support for freestanding umbilical accessory A transport support for securing a free standing transportable accessory having a high center of gravity such as a portable IV stand to a transporting vehicle having a relatively low center of gravity such as a wheeled gurney or wheelchair. The transport ... | 07/15/1986 |
| 4599081 | Artificial heart valve An artificial heart valve of turbine-like construction includes a rotor that translates and rotates to cause a plurality of rotor blades to either occlude or unocclude spaces between adjacent ones of a plurality of stator blades.... | 07/08/1986 |
| 4418854 | Backpack shelter apparatus A backpack shelter apparatus which incorporates a backpack, frame means, shelter and shelter support means adjustably coupled to the frame means. The shelter support means can be extended from the frame means to provide support for the shelter, backpack, ... | 12/06/1983 |
| 4417703 | Quick retrieve cord reel A mobile cord reel which incorporates a rotatably mounted axle having the cord passing diagonally diametrically therethrough, to serve as a device to permit quick spooling of a cord from two directions into a reel located in the midst of the cord.... | 11/29/1983 |
| 4152693 | Vehicle locator system A positional display system for visually indicating given geographical locations such as the position of motor vehicles such as police cars and/or the location of the occurrence of an incident warranting police attention. The system includes a display boa... | 05/01/1979 |
| 4094307 | Method and apparatus for aiding in the anatomical localization of dysfunction in a brain A method and apparatus for synthesizing a set of optimal sensory stimuli designed to elicit an optimal response for each particular brain electrode location in a subject whose brain is being examined to anatomically localize brain dysfunction. A pseudoran... | 06/13/1978 |
| 4068212 | Method and apparatus for identifying characters printed on a document which cannot be machine read A method and apparatus for identifying a character which cannot be machine read so that an operator may observe the identified character and make the necessary correction. A document such as a bank check or the like which has a field of encoded characters... | 01/10/1978 |
| 4063333 | Clothespin A highly stable clothespin of the type having a pair of elongated clamping members and a helical metal spring interposed therebetween is provided. Each of the pair of clamping members has a forward clamping jaw, a tail, and an intermediate portion. The ho... | 12/20/1977 |
| 4001665 | High efficiency power supply having a reactive buck automatic D.C. voltage regulator D.C. power supply having a reactive buck automatic D.C. voltage regulator which directly controls the rectified D.C. output of a loosely coupled transformer thereby providing load regulation from an unregulated alternating current source. The load current... | 01/04/1977 |
| 3988664 | System for predicting or detecting a fault in a solenoid utilization system A system for detecting the occurrence of a fault in a solenoid utilization system when the fault is manifested by the solenoid armature or plunger being seated either too early or too late. A predetermined time interval is established such that the seatin... | 10/26/1976 |
| 3986091 | Carrier positioning system An apparatus for positioning a carrier means along a line of print in either of two directions. The carrier means is positioned by a D.C. motor which is driven by a pair of current driver circuits, one of which controls the flow of drive current in a forw... | 10/12/1976 |
