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 |
| 5448107 | Radiating fin having an improved life and thermal conductivity A semiconductor device has a heat radiating fin attached to a semiconductor packaging device which holds a semiconductor element for externally diffusing heat generated by the semiconductor element. The fin is light in weight and has an improved thermal c... | 09/05/1995 |
| 5294388 | Heat conductive colored aluminum nitride sintered body and method of preparing the same A heat conductive aluminum nitride sintered body contains 100 parts by weight of aluminum nitride, at least 0.005 parts by weight and not more than 0.5 parts by weight of carbon, at least 0.01 parts by weight and not more than 15 parts by weight of a rare... | 03/15/1994 |
| 5292552 | Method for forming metallized layer on an aluminum nitride sintered body An aluminum nitride sintered body that has been fired/formed to have a prescribed sintered configuration, is used as a substrate. A metal paste of tungsten is prepared and applied to the substrate. The metal paste of tungsten contains oxide components of ... | 03/08/1994 |
| 5266395 | Friction material for making brake pads A friction material for making brake pads or brake disks is formed by mixing metallic fiber and/or aramid fibers as a main component, a filler material and a binder agent for binding the main component and the filler. The metallic fiber includes at least ... | 11/30/1993 |
| 5242663 | Method of and apparatus for synthesizing hard material A method of and an apparatus for vapor-phase synthesizing a hard material use a raw material gas supplied into a reaction tube (6) while irradiating a region of the reaction tube (6) with microwaves (18) of a prescribed frequency for causing a synthesizin... | 09/07/1993 |
| 5235838 | Method and apparatus for truing or straightening out of true work pieces In a straightening or truing operation for straightening out of true work pieces the characteristic fatigue strength or an increased fatigue strength achieved in a previous strengthening operation of the work piece to be straightened, is maintained. This ... | 08/17/1993 |
| 5212394 | Compound semiconductor wafer with defects propagating prevention means A compound semiconductor epitaxial wafer has a heteroepitaxial crystal layer grown on a compound semiconductor crystal substrate which has a substantially circular configuration and is free of dislocation defects at least in a central area surrounded by a... | 05/18/1993 |
| 5202158 | Apparatus for and method of producing high density fiber reinforced composite material An apparatus and a method of producing a high density fiber reinforced composite material operate for lowering the porosity of a porous fiber reinforced composite material. A large number of particles arranged in a reaction tube are pushed up by the press... | 04/13/1993 |
| 5200125 | Method for seal molding electronic components with resin An electronic component is molded into a resin seal by first compressing a resin tablet to increase its density by removing air contained in the tablet. The compressed or molded resin tablet is supplied into a pot (3) wherein the tablet is melted by heat.... | 04/06/1993 |
| 5194311 | Cushioning core and seat construction especially for an aircraft seat A seat cushion section with a fiber core is elastically deformable and combined with a plastically deformable shock absorber seat section to form a seat structure, for example for an aircraft passenger seat. The fiber core of the cushion section has fiber... | 03/16/1993 |
| 5190895 | Ceramics composite material A ceramics composite material containing crystallized glass as the matrix and fibers or whiskers of ceramics as a reinforcement material, is obtained by melting original glass to form crystallized glass, compounding the same with fibers or whiskers of oxi... | 03/02/1993 |
| 5188303 | Apparatus for protecting disks of a hammer-crusher rotor with a protective shield A protective shield for a hammer-crusher rotor protects at least the circumferential surfaces of disks attached to and rotating with a rotor shaft. In the spacing between neighboring disks, at least one hammer is tiltably or pivotally supported on an axle... | 02/23/1993 |
| 5186739 | Cermet alloy containing nitrogen A cermet alloy and a drill formed of the cermet alloy include hard dispersed phases and binder metal phases. The hard dispersed phases include a metal atom group containing titanium and a nonmetal atom group containing nitrogen. The amount of titanium con... | 02/16/1993 |
| 5185717 | Tamper resistant module having logical elements arranged in multiple layers on the outer surface of a substrate to protect stored information The reliability of a tamper resistant module for safeguarding stored information, e.g. in an electronic computer system, is improved to deny access to the system by an unauthorized person or at least to a specific portion of the system. For this purpose, ... | 02/09/1993 |
| 5178141 | Liver function testing apparatus In a liver function testing apparatus, light sources (11, 12) expose vital tissue (15) to first light of a wavelength absorbed by the specific dye dosed into blood of the vital tissue to be taken in and removed by the liver and second light of a wavelengt... | 01/12/1993 |
| 5172844 | Method and apparatus for reducing a transporting strain on elongated material passing through a treatment chamber Thin, elongated material, such as ribbons, tapes, and the like, are passed through a treatment zone or chamber substantially in a frictionless manner to avoid distorting the elongated material. This purpose is achieved in that a plurality of direction cha... | 12/22/1992 |
| 5173614 | Apparatus for triggering a passive safety device A crash sensor is constructed for triggering a passive safety device, such as an air bag or a seat belt tightening device. The crash sensor is capable to distinguish between different types of impacts such as front impacts, rear impacts, side impacts, and... | 12/22/1992 |
| 5154550 | Throw-away tipped drill bit A drill bit has a throw-away drill bit tip in the form of an insert (21, 31) secured to a shank (22, 32) to be mounted in a drilling tool. The insert (21, 31) is disengageably mechanically connected with the shank (22, 32) without any screws. At least a c... | 10/13/1992 |
| 5154176 | Liver function testing apparatus A liver function testing apparatus measures n-times the values ƊlogT1 and ƊlogT2 corresponding to pulse wave signals obtained upon passage through a prescribed optical path in vital tissue. A sensor (30) having first and second lig... | 10/13/1992 |
| 5154549 | Throw-away tipped drill bit A drill bit has a throw-away drill bit tip in the form of an insert (21, 31) secured to a shank (22, 32) to be mounted in a drilling tool. The insert (21, 31) is disengageably mechanically connected to the shank (22, 32) without any screws. The insert (21... | 10/13/1992 |
| 5150409 | Device for the identification of messages An apparatus and a method for the identification and encrypting/decrypting of messages permits converting an input message provided as characters, in character-by-character fashion and depending on preceding characters, to form an output message. An addre... | 09/22/1992 |
| 5150111 | Apparatus for and method of detecting an abnormality in a signal A method for detecting the presence or absence of an abnormality in a signal x having a frequency f from a signal source, is implemented by a circuit arrangement for deriving a now signal provided at the present time by the signal source, and for deriving... | 09/22/1992 |
| 5139820 | Method of manufacturing ceramic insulated wire A method of manufacturing a ceramic insulated wire involves preparing an extrudable gel compound formed by dissolving a metal-organic compound in a solvent and adding at least one thermoplastic polymer or its monomer to the mixture to make the gel compoun... | 08/18/1992 |
| 5132776 | Member for carrying a semiconductor device A radiation member (10) for a semiconductor device is formed by an aluminum alloy member having a low thermal expansion aluminum alloy section (11) and a high radiation aluminum alloy section (12) which are joined and integrally formed with each other. A ... | 07/21/1992 |
| 5132779 | Housing for semiconductor device with occlusion gas removed A housing for a semiconductor device is improved to avoid thermal distortion. The housing is formed of an Al-Si compound material and includes a housing member having a space for holding the semiconductor device. Occlusion gas contained in the Al-Si compo... | 07/21/1992 |
| 5127983 | Method of producing single crystal of high-pressure phase material Disclosed herein is a method of producing a single crystal of a high-pressure phase material having a pressure region of at least 1000 atm. in an equilibrium state at 25° C. This method is characterized in that a plurality of single-crystalline plates (3... | 07/07/1992 |
| 5125738 | Apparatus and system for locating a point or a faulty point in a transmission line A plurality of current detectors are provided in a plurality of prescribed spots of a transmission line for locating a fault caused, e.g. by lightning. A plurality of discriminators are provided in correspondence to the plurality of current detectors. Eac... | 06/30/1992 |
| 5124939 | Signal modification circuit A signal modification circuit receives an input signal and produces an output having a modified characteristic. When the signal modification circuit is embodied in an audio circuit receiving an analog audio signal having a first variant level at its input... | 06/23/1992 |
| 5119220 | Liquid crystal display device with a phase plate for shadow compensation A field effect type liquid crytal display device suitable for use in a high level multiplexing drive, has liquid crystal molecules twisted with an angle from 180° to 350° which are held between two polarizers. The liquid crystal display device generates... | 06/02/1992 |
| 5114498 | Photovoltaic device A photovoltaic device includes a substrate (1, 10) having a conductive electrode (2, 10), and a first semiconductor layer (31, 111) of a first conductivity type, a substantially intrinsic second semiconductor layer (32, 11... | 05/19/1992 |
| 5105628 | Method of storing semiconductor substrate A method for storing a semiconductor substrate preserves the semiconductor substrate at a temperature not more than 10° C. in a sealed manner. After the surface of the semiconductor substrate has been cleaned by etching or the like, the semiconductor sub... | 04/21/1992 |
| 5105531 | Method of manufacturing a coil of insulated wire A method of manufacturing an insulated wire coil is performed by covering the outer peripheral surface of a conductor with a mineral insulating layer, then coating the mineral insulating layer with a precursor solution of an oxide insulating material prio... | 04/21/1992 |
| 5102697 | Structural component made of a titanium alloy and covered by a protective coating and method for producing the coating A structural component of titanium or titanium alloy is provided with a protective coating made substantially of an oxidation resistant and diffusion inhibiting base layer (2), an intermediate layer (3) forming a titanium fire inhibiting layer, and a cove... | 04/07/1992 |
| 5094512 | Flow control valve for an antilocking device in a vehicle brake system A flow control valve for an antilocking device in a vehicle brake system prevents a locking of the wheels during a brake application. The flow control valve includes a pressure reducing chamber (115) regularly connected with an outlet port (111) through a... | 03/10/1992 |
| 5092920 | Sintered body for high-accuracy working tools A sintered body for high-accuracy working tools is obtained by sintering powder mixture containing at least 45 percent by volume and not more than 60 percent by volume of cubic boron nitride powder having an average particle size of not more than 2 μm an... | 03/03/1992 |
| 5091609 | Insulated wire An insulated electrical wire is suitable for use as a distribution wire, a wire for winding coils, and for other electrical purposes. The wire can be used in a high-vacuum environment or in a high-temperature environment. This insulated electrical wire ha... | 02/25/1992 |
| 5088822 | Meat freshness measuring apparatus A meat freshness measuring apparatus measures the freshness of meat by detecting changes in a pigment contained in the meat. For this purpose, the meat (2) is exposed to rays of light of different wavelengths applied from a light source (1), and the rays ... | 02/18/1992 |
| 5085923 | Heat-conductive aluminum nitride sintered body and method of manufacturing the same An aluminum nitride sintered body is mainly composed of aluminum nitride, contains 0.01 to 1.0 percent by weight of a rare earth element and 0.001 to 0.5 percent by weight of oxygen, and has thermal conductivity of at least 180 W/mK. According to a method... | 02/04/1992 |
| 5085382 | Device for intercepting and retaining cargo in a transport space A device for separating a space for cargo in a vehicle, for example in an aircraft cabin or compartment, is constructed for keeping pieces of cargo, for example baggage, in place and to even intercept cargo pieces that may have gotten loose. Such a struct... | 02/04/1992 |
| 5086342 | Image sensor with an avalanche diode forming an optical shutter A semiconductor image sensor having a CCD-structure, includes sensor elements arranged in a linear or in a two-dimensional array suitable for a parallel or serial read-out of information. An avalanche diode is arranged between a p-layer and a high resista... | 02/04/1992 |
