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 |
| 4434831 | Tubeless tires for trucks and buses Tubeless tires for trucks and buses have radial carcass plies of polyester cords turned up around bead wires from the lateral inside to the lateral outside of the carcass walls. Polyester cords of not less than 4,500 d are used for the carcass plies. The ... | 03/06/1984 |
| 4434832 | Room temperature curable tire patch The repair of a reinforced elastomer article having a hollow therein relates to utilizing an amine curable polymer or prepolymer and a cured elastomer patch. The hollow in the elastomer, which can extend either partially or completely through the article,... | 03/06/1984 |
| 4434833 | Axle wheel end assembly An axle wheel end assembly (10) is provided for vehicles having an onboard tire inflation system (12). The wheel end assembly includes a rotary seal assembly (68) defining an annular air chamber (70) which seal assembly is received in a relatively protect... | 03/06/1984 |
| 4434834 | Vertical louver system A vertical louver system comprising a vertical louver support system and a plurality of vertical louvers mounted on the vertical louver support system. Each of the louvers includes a channel having first and second in-turned flanges and a web joining the ... | 03/06/1984 |
| 4434835 | Method of making a blade aerofoil for a gas turbine engine A method of making at least the aerofoil of a blade for a gas turbine engine in which the cooling air exit passages, whether at the trailing edge or in other parts of the aerofoil, are cast rather than machined subsequently. In the method a disposable pie... | 03/06/1984 |
| 4434836 | Continuous casting apparatus Semiannular mold space is defined by a pair of rotary wheels and an endless belt trained around circumferential surfaces of the wheels. Molten metal is injected into the mold space upwardly so that the molten metal is statically poured into the mold. The ... | 03/06/1984 |
| 4434837 | Process and apparatus for making thixotropic metal slurries A process and apparatus for forming a semi-solid thixotropic alloy slurry and preferably a rheocasting therefrom. Molten metal in a mold is cooled under controlled conditions while it is mixed under the influence of a moving magnetic field. A non-zero, ma... | 03/06/1984 |
| 4434838 | Apparatus and process for cooling and solidifying continuous or semi-continuously cast material An apparatus and process for casting a material comprising a coolant application device comprising a fluidized bed coolant system. The casting is carried out utilizing a casting mold which defines a casting zone. A soundwave generating system is provided ... | 03/06/1984 |
| 4434839 | Process for producing metallic slurries In a method for forming shaped articles from molten metallic material the melt is caused to flow from a holding vessel therefor through a refractory duct having at least one static thermally-conducting element extending transversely within the duct so dim... | 03/06/1984 |
| 4434840 | Expansion joint for reactor or heat exchanger An expansion joint for heat exchangers, reactors, steam boilers and the like to compensate for differential displacements. Differential axis expansion occurs when the pressure within the tubes or outside the tubes is raised or when a thermal expansion of ... | 03/06/1984 |
| 4434841 | Variably spaced wrapped fin heat exchanger A wrapped fin heat exchanger is disclosed having variable spacing between adjacent loops forming the heat exchanger. Various embodiments are shown wherein the spacing between adjacent loops of single row and multi-row coils is varied to provide for equal ... | 03/06/1984 |
| 4434842 | Plate fin heat exchanger A heat exchanger in which liquids are boiled, the heat exchanger being provided with fins in the boiling region, the fins comprising a corrugated layer formed of two sheets, each sheet being apertured, the sheets being in close proximity one to the other ... | 03/06/1984 |
| 4434843 | Heat exchanger apparatus An improved heat exchanger apparatus that serves alternatively as an evaporator and as a condenser, the heat exchanger apparatus comprising a frame and a heat exchange coil supported by the frame, the coil having a first coil end portion, a coil medial po... | 03/06/1984 |
| 4434844 | Cross-fin coil type heat exchanger A cross-fin coil type heat exchanger wherein a multiplicity of raised fins of the louver type are formed on the major portion of the surface of a convoluted fin base plate and the area of the portion of the fin base plate reduced in heat transfer performa... | 03/06/1984 |
| 4434845 | Stacked-plate heat exchanger A heat exchanger comprises a stack of spaced plates such that elongate plane-parallel fluid-conduit systems are established between adjacent pairs of plates, the plane-parallel conduit systems being in two sets, with the conduit system of one set being in... | 03/06/1984 |
| 4434846 | Patterned heat exchanger fin Embossed patterns on fins for the tubes of a shell and tube type heat exchanger for increased efficiency and heat transfer rate, with minimum additional pressure drop. The fins extend transversely across most of the tubes in the tube bundle and have apert... | 03/06/1984 |
| 4434847 | Flow controlling apparatus There is disclosed apparatus for controlling flow through both a tubing string suspended within a well bore and the space within the well bore about the tubing string. The illustrated embodiment of the apparatus comprises a body made up of a pair of mandr... | 03/06/1984 |
| 4434848 | Maximizing fracture extension in massive hydraulic fracturing During fracture treatment of a subterranean formation, multiple hydraulic fracturing cycles are performed wherein the bottomhole treating pressure of a wellbore is controlled to not exceed a maximum bottomhole treating pressure for the formation, thereby ... | 03/06/1984 |
| 4434849 | Method and apparatus for recovering high viscosity oils Improved methods and apparatus are provided for recovering high viscosity oils from a sub-surface earth formation utilizing horizontal well apparatus. A plurality of horizontal drill holes extend from a large diameter vertical shaft hole into the formatio... | 03/06/1984 |
| 4434850 | Method for demulsification of bitumen emulsions using polyalkylene polyamine salts A process for recovering bitumen from oil-in-water (O/W) emulsions is disclosed wherein water soluble demulsifiers are used. These demulsifiers are polyamine salts prepared by contacting poly(ethyleneimines) with organic or inorganic acids. The polyamines... | 03/06/1984 |
| 4434851 | Method for steam injection in steeply dipping formations Oil is produced from a steeply dipping subterranean reservoir containing high viscosity petroleum by injecting a fluid comprising steam into the lower portion of the reservoir and withdrawing the oil from production wells in an intermediate portion of the... | 03/06/1984 |
| 4434852 | Method of enhanced oil recovery employing nitrogen injection Disclosed is a process for the recovery of oil from a subterranean oil reservoir by miscible displacement using a predominantly nitrogen-containing gaseous displacing fluid which may contain lesser quantities of carbon dioxide. The miscibility of the firs... | 03/06/1984 |
| 4434853 | Oil well blow out control valve An upright tubular housing is provided for downward telescoping over the upper end of a well production tubing and includes three axially spaced and inwardly projecting annular abutments sealingly mounted in the housing. Upper and lower annular axially co... | 03/06/1984 |
| 4434854 | Pressure actuated vent assembly for slanted wellbores A pressure actuated vent assembly for completing a slanted wellbore. The assembly is connected in series relationship within a tubing string at a location below a packer, and the packer elements are located between the casing and the tubing string, thereb... | 03/06/1984 |
| 4434855 | Sprinkler valve A valve for pressurized, liquid sprinkler systems which is adapted for flow esting of the valve without activating the sprinkler system. The valve is constructed with a valve body having a fluid inlet and a fluid outlet connected by a flow passage. The flu... | 03/06/1984 |
| 4434856 | Garden plow with support means operative to inversely angularly displace earthworking tool Longitudinally extending main and motor and drive frames are provided with the frames supported from each other for relative angular displacement about a horizontal central axis extending longitudinally of the frames and about an upstanding axis spaced ce... | 03/06/1984 |
| 4434857 | Tractor and implement coupled thereto with hydraulic lift system including phasing valve In combination, a tractor having at its rear end an implement hitch and a lift system and an implement coupled at one end to the hitch and having at its other end a height adjusting system for controlling the working depth of the implement. The lift inclu... | 03/06/1984 |
| 4434858 | Air tool with stall torque regulator and air biasing mechanism The air tool of this invention features a shut-off valve in a motor inlet passage with an air bias compartment at one end of the valve and a motor pressure compartment at an opposite end of the valve directly communicating with the inlet to the motor. The... | 03/06/1984 |
| 4434859 | Hammer drill for performing rotary drilling or percussive drilling A hammer drill for performing percussive drilling or rotary drilling includes a housing and a tool holder mounted on and axially displaceable relative to the housing, the tool holder contains a retainer sleeve mounting locking member for securing the shan... | 03/06/1984 |
| 4434860 | Hoist pull down system for blast hole drill A chain-type hoist pull down system for a large blast hole drilling rig is provided which includes an auxiliary tensioning mechanism to increase the tension of the pull down chain during selected operating modes. In the preferred embodiment the auxiliary ... | 03/06/1984 |
| 4434861 | Dust conveying and collecting system and method A conveying and collection system adapted for drilling rigs for conveying drill cuttings entrained with a bailing air flow stream emanating from the drillhole includes a generally tubular head fitted around the drillhole having a flow deflecting surface p... | 03/06/1984 |
| 4434862 | Downhole turbine rotary drilling device This invention relates to a downhole rotary drilling device. More particularly, it relates to a gas operated turbine motor designed to be located downhole adjacent a rotary drilling bit to impart rotational force to the drilling bit and thus accomplish su... | 03/06/1984 |
| 4434863 | Drill string splined resilient tubular telescopic joint for balanced load drilling of deep holes A drill string splined resilient tubular telescopic joint for balanced load deep weel drilling comprises a double acting damper having a very low spring rate upon both extension and contraction from the zero deflection condition. Stacks of spring rings ar... | 03/06/1984 |
| 4434864 | Roof bolter vehicle and wheels therefor A roof-bolting machine of Lee-Norse Model No. TDI-43 type is equipped with wheels having rims constructed to receive significantly wider than normal, tubeless tires forced into unusually tight relationship therewith and with respective O-rings provided th... | 03/06/1984 |
| 4434865 | Power transmission for a cleaner The structure comprehends a power transmission for a power drive cleaner where the clutching arrangement is on the output shaft that provides a direct geared drive to the wheels.... | 03/06/1984 |
| 4434866 | Speed-sensitive power steering system A power steering mechanism for controlling the dirigible wheels of an automotive vehicle comprising a fluid motor that provides a power assist to manual steering effort applied to the steering gear mechanism wherein a hydraulic reaction mechanism (44) app... | 03/06/1984 |
| 4434867 | Drive belt for snow vehicle and suspension therefor An improved lightweight snow vehicle that embodies an improved suspension that permits ease of riding of the vehicle while maintaining good control and handling. The drive belt is supported so that the vehicle has a longer effective length than prior art ... | 03/06/1984 |
| 4434868 | Rear wheel control unit for two-wheeled vehicles with universal drive mechanism A rear wheel control unit for a two-wheeled vehicle with universal drive mechanism, such as a motorcycle, is disclosed. The rear wheel control unit comprises an axle housing for accommodating a drive unit of the universal drive mechanism of the two-wheele... | 03/06/1984 |
| 4434869 | Rescue apparatus An apparatus for transporting personnel or materials from an upper elevation to a lower elevation. Twin guideline means are suspended between the upper and lower elevations from each of which is suspended a carrier means. The two carrier means are simulta... | 03/06/1984 |
| 4434870 | Evacuation slide device An inflatable slide device for emergency evacuation from structures such as aircraft, offshore drilling platforms, etc. The slide device comprises two assemblies of tubular members defining two mutually independent inflatable chambers. One chamber include... | 03/06/1984 |
