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 |
| 7496999 | Valve nut removal and replacement system A valve nut removal and replacement system including a plurality of associated tools and methods used for above ground access to, replacement of, and maintenance of worn, misshaped, abused or otherwise faulty valve nuts located at a subsurface location. A system is ... | 03/03/2009 |
| 7003877 | Cylinder liner remover A novel apparatus and method to engage a liner in an cylinder of an engine is provided. A wedge and rod are utilized as part of a liner remover assembly to move at least one collet axially to engage the liner. In a preferred embodiment, a novel eyehook is provided a... | 02/28/2006 |
| 6978527 | Fuel injector removal tool Provided is a fuel injector remover for removing a fuel injector from a cylinder head wherein the fuel injector is located within a counterbore of the cylinder head. The remover includes a primer mover having a piston defining a central bore. A snout portion is atta... | 12/27/2005 |
| 6832426 | Device for decoupling the inner part and the outer part of a constant velocity joint from each other and the method A device for decoupling an inner part and an outer part of a constant velocity joint from each other has a fastening element for gripping the inner part, an annular part placed in the end of the outer part of the joint and a nut that fits to the thread in the end of... | 12/21/2004 |
| 6792659 | Transmission tool A transmission tool (10) having a jig (12) which has a jig body (12A) securely connected at a front distal end to a jig first member (12B) and further securely connected at a rear distal end to a jig second member (12D), the jig bo... | 09/21/2004 |
| 6584662 | Extractor tool for a glow plug A tool for extracting a glow plug includes an externally threaded shaft, an internally threaded sleeve that engages the externally threaded shaft, and a fixed cavity formed in one end of the externally threaded shaft. The cavity has a side entry to permit... | 07/01/2003 |
| 6557228 | Gimbal bearing remover A tool primarily designed for the quick and easy removal the gimbal bearing found in Mercruiser styled Stern Drives. The tool consists of a fixed hook with a sliding mechanism that automatically locks the bearing onto the hook, a flange that bridges the o... | 05/06/2003 |
| 6092279 | Bearing puller A bearing puller for removing from a shaft a bearing having a tapered eccentric flange on its inner race includes a cylindrical tube disposed within an outer cylindrical housing. The puller tube is capable of sliding displacement within and along a portio... | 07/25/2000 |
| 5802692 | Glo-plug extractor A glo-plug extractor is disclosed. An internally threaded sleeve is threaded over an externally threaded bolt having a bolt head at one end and a set of jaws at the other. The jaws are fitted to lock onto the head of a fully unscrewed, yet bound glo-plug.... | 09/08/1998 |
| 5533245 | Releasable valve seat removal tool A releasible tool is provided for removing a cylindrical member such as a valve seat, a pump liner, or a bushing from machines, pumps, oil well tubing, or other devices in which it is used. The releasable tool includes a mandrel, a platform slidably mount... | 07/09/1996 |
| 5408732 | Wheel hub puller particularly suited for heavy duty trucks, buses and trailers Apparatus particularly suited for pulling a hub assembly that is seized to an axle of a heavy duty truck, bus or trailer. The axle has a hollow into which is inserted an expandable/contractible assembly of the apparatus. The apparatus also has a collar as... | 04/25/1995 |
| 5379503 | Extraction tool for transmissions An extraction tool for transmission or the like units comprising a long tubular body enclosing a rotatably mounted operating part having an expansible gripping unit at one end to engage withing a mating part, and a handle at the opposite end to rotate the... | 01/10/1995 |
| 5276951 | Tubular lock puller A hand-held tool for pulling the inner cylinder from a tubular lock that has become inoperative. The tool comprises a cylindrical housing carrying a threaded main shaft which has a front segment with resilient fingers. The fingers are radially compressibl... | 01/11/1994 |
| 5226208 | Bearing puller A split nut blind hole bearing puller is made by using an elongated split nut with a bearing flange which is assembled with the blind hole behind a bearing. A retainer fits over the assembled split nut so a puller bolt can be screwed through the assembled... | 07/13/1993 |
| 5191705 | Combination for removably supporting a magnetic transducer carrying arm In a magnetic head carrying device a method and apparatus for removing a magnetic head carrying arm from a support arm wherein ball stake mounting is used to affix the magnetic head carrying arm to the support arm. A mounting plate is provided having a be... | 03/09/1993 |
| 5167057 | Hydraulic puller A puller is vertically movably mounted on a transport cart and includes a base assembly having at least a pair of puller jaws pivotally mounted thereto. The puller jaws are pivotally moved relative to the base assembly by means of a cam ring which is axia... | 12/01/1992 |
| 5159743 | Hydraulic puller The hydraulically powered locking puller device comprises a base assembly about a central axis, a camming assembly circumferentially about the base assembly, and an hydraulic module axially centered within the base assembly. The base assembly has a cylind... | 11/03/1992 |
| 5012566 | Drilling and expanding tool for removing carburetor seal plugs A tool for removing seal plugs from a carburetor baseplate having a shaft and collet arrangement in which the shaft is formed at one end by a drill bit. The members are concentrically aligned within an outer holder member which also functions as a drill g... | 05/07/1991 |
| 4887342 | Device to force open the door of a safety deposit box The present disclosure describes a device to force open the door of a safety deposit box having a lock. The device comprises a key having an end terminated by a portion extending in a direction perpendicular to the longitudinal axis of the key, the end be... | 12/19/1989 |
| 4799305 | Tube protection device A tube protection device is positioned within a heat exchange tube of a nuclear steam generator to span a defect region and protect same against damage or deformation during withdrawal of the tube from the generator for subsequent defect analysis and test... | 01/24/1989 |
| 4716642 | Extractor tool The present invention is directed to an extractor tool for removing valve lifters from an engine block or head in a fast convenient manner and with a minimum of manual dexterity or strength. The prior art devices provide tools having complicated force mul... | 01/05/1988 |
| 4627155 | Tube extracting apparatus A tube extracting apparatus is provided for extracting tubes from structures, such as condensers, evaporators, and the like. The apparatus is compact and relatively lightweight and thus easy to maneuver in confined spaces to extract a tube. The apparatus ... | 12/09/1986 |
| 4507837 | Extractor tool An extractor tool for removing a die button from an opening in a die block into which the button has been securedly pressed. The die button has an axial opening therethrough. The tool includes a hollow expandible extractor insertable into and through the ... | 04/02/1985 |
| 4426758 | Seal puller A seal puller pulls an annular seal from the interior of a cylindrical housing. The seal puller includes a hollow elongated externally threaded support rod and an elongated externally threaded adjustment rod passing through the hollow interior of the supp... | 01/24/1984 |
| 4403386 | Bolt type lock puller A bolt type lock puller for removing jammed bolt type locks from lock housings. This lock puller is necessary to correct situations in which a thief has tried to open a bolt type lock by driving a nail into the keyhole. The lock is usually distorted by th... | 09/13/1983 |
| 4207664 | Pulling tool for extracting bushings and bearings A pulling tool for extracting bushings, bearings or similar devices from a blind hole consists of first and second pulling members and a drive member. The pulling members are inserted into a central recess of a bushing or bearing, and a threaded shank por... | 06/17/1980 |
| 4104775 | Extraction tool An extraction tool, for aiding in the removal of a tubular piece that has been fitted or otherwise bonded in a fitting or second tubular piece, comprising a pair of cone-shaped expander heads threadably mounted on one end on a longitudinally extending rod... | 08/08/1978 |
| 4074410 | Lock extractor A device for extracting the lock from an automobile ignition lock assembly comprising a collar which has an end adapted to bear against the frame surrounding the lock and a threaded shaft having at one end a means for engaging the lock and at the other en... | 02/21/1978 |
| 4050136 | Bearing race driver A tool is provided for inserting bearings comprising a plurality of expandable segments, a shaft having a cam means attached thereto said cam means including means for expanding each of said expandable segments radially outwardly from said shaft, wherein ... | 09/27/1977 |
| 4031603 | Snap-in clutch spring A clutch spring compressor tool for removing a spring retainer ring from a clutch piston assembly of an automatic transmission where the clutch piston assembly includes a drum housing having an annular slot having a shoulder fabricated on the inner periph... | 06/28/1977 |
| 4009515 | Disc brake piston puller A tool, for manually releasing a frozen automotive brake piston from a cylindrical cavity of a disc brake caliper, has an elongated shank on an inner end of which a solid axially tapered segmental head, defining an outer tapered wall, is axially adjustabl... | 03/01/1977 |
| 3996652 | Pipe positioning tool The purpose of this tool is to hold a pipe, located in a trench in the ground, against an opening in the sidewall of a manhole while concrete is poured into the trench to encase the pipe. The tool has a screw-threaded central rod for insertion axially int... | 12/14/1976 |
