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 |
| 7416021 | Armored stripper rubber A stripper rubber comprising a resilient stripper rubber body, an insert support, and a plurality of stripper rubber inserts. The resilient stripper rubber body has a drillstring bore extending therethrough. The insert support is at least partially within the body. ... | 08/26/2008 |
| 7380610 | Stripper rubber insert assembly A high-pressure stripper rubber provides inserts and support members that cooperatively support the profile of the rubber against elastic deformation. The inserts dynamically cooperate to resist elastic deformation of the rubber due to down hole pressure. The stripp... | 06/03/2008 |
| 7337564 | Loader coupler or other attachment with adjustable stops A loader coupler or other attachment includes first and second roll-back stops located on opposite lateral sides. The stops include a mounting location such as a boss, a bumper or stop member releasably secured to the mounting location, and optionally one or more sh... | 03/04/2008 |
| 7329106 | Stator for an eccentric screw pump or an eccentric worm motor operating on the moineau principle The invention relates to a stator for an eccentric screw pump or an eccentric worm motor, including an outer tube that is provided with a lining of rubber or a rubber-like material and has a hollow space or cavity, in the shape of a double or multiple spiral, for ac... | 02/12/2008 |
| 7278494 | Stripper rubber insert assembly A high-pressure stripper rubber provides inserts and support members that cooperatively support the profile of the rubber against elastic deformation. The inserts dynamically cooperate to resist elastic deformation of the rubber due to down hole pressure. The stripp... | 10/09/2007 |
| 7240727 | Armored stripper rubber An armored stripper rubber is provided that protects the drillstring bore of the stripper rubber from substrate infiltration, yet pivotally dilates to facilitate the passage of drillstring components through the bore while effectively maintaining a fluid-tight seal.... | 07/10/2007 |
| 7237618 | Stripper rubber insert assembly A high-pressure stripper rubber provides inserts and support members that cooperatively support the profile of the rubber against elastic deformation. The inserts dynamically cooperate to resist elastic deformation of the rubber due to down hole pressure. The stripp... | 07/03/2007 |
| 7198098 | Mechanical connection system A connector system is provided for connecting parts of an apparatus. A first part having one or more bayonet connectors and one or more retention pin receptacles cooperatively mates to a second part having one or more mating bayonet connectors. The second part furth... | 04/03/2007 |
| 7011167 | Device for sealing a drill hole and for discharging drillings or stripped extraction material In a device for sealing a bore hole and discharging drill cuttings and stripped excavation material, including a housing adapted to receive sealing elements and an opening capable of being connected to the bore hole, one side wall of the housing is provided with at ... | 03/14/2006 |
| 6959930 | Combination oil scrapper ring/gas seal assembly A ring assembly, including a first oil scraper ring, a center oil scraper ring and a gas seal ring, adapted for disposition in a single groove of a packing cup which can be stationarily mounted over and around a reciprocally movable piston rod of a gas compressor. T... | 11/01/2005 |
| 6484808 | Stripper/packer A stripper/packer includes first and second packing elements, which are interchangeable to alleviate inventory concerns. The upper actuating hydraulic piston is the same diameter as the lower piston, which allows the operator to utilize the same amount of... | 11/26/2002 |
| 6471254 | Method and apparatus for gripping objects An elastomeric gripping element is supported and mounted by a housing and is configured to have an interference fit under normal conditions with the surface of the object to be gripped. The housing and the surface to be gripped are separated by a gap. For... | 10/29/2002 |
| 6394460 | One-piece ram element block for wireline blowout preventers Ram seal units for attachment to the rams of blowout preventers incorporate an integral ram seal block having a central web, with a parallel rectangular elastomer support plates extending from opposite sides of the integral ram seal block. The central web... | 05/28/2002 |
| 6371224 | Threaded spacer An improved thin walled threaded spacer for use in preventing thread galling in adjacent sections of drill pipe in a drill string is formed by mechanically deforming a strip of copper/beryllium alloy containing 2% beryllium to form a preform having a holl... | 04/16/2002 |
| 6367805 | Stripping arrangement In a stripping arrangement for preventing liquid from penetrating at the peripheral gap (1) between a reciprocating component (2) and a casing opening (3) surrounding the latter, a choke ring (8) is provided on the side facing the inlet of the liquid to b... | 04/09/2002 |
| 6260850 | Annular chamber seal Internal and external metal-to-metal radially interfering seals are provided for an annular chamber. Typically, an annular chamber is used in tubular goods to be part of the hydraulic control circuitry, such as for operating subsurface equipment such as a... | 07/17/2001 |
| 5901964 | Seal for a longitudinally movable drillstring component A stripper rubber for oil and gas wells, water and geo-thermal wells, having an interior surface design which includes a circular, convex knee portion in the throat area of the stripper rubber to provide additional support to the stripper rubber during in... | 05/11/1999 |
| 4783084 | Head for a rotating blowout preventor A rotating blowout preventor is comprised of a rotating head assembly which is removably received at the upper end of a main housing. The rotating parts of the head assembly are held fastened together by the provision of a unique locking plate arrangement... | 11/08/1988 |
| 4531580 | Rotating blowout preventers An improved rotating blowout preventer having a sealing assembly which is latched in place in a body with an upper latch engaging the non rotating body and lower latch engaging in a groove to engage the rotating portion, a sealing assembly having an impro... | 07/30/1985 |
| 4531591 | Drilling head method and apparatus A rotary drilling head wherein rotary friction between the rotary spindle assembly and the spindle housing is limited by improvements in bearing and seal lubrication and by seal structure such that the gripping action of a resiliently flexible packer on a... | 07/30/1985 |
| 4486025 | Stripper packer A stripper packer having a mounting collar to which a stripper rubber is releasably secured by compressive clamping means in a manner such that the compressively deformed stripper rubber is maintained in releasable fluid pressure-tight face sealing engage... | 12/04/1984 |
| 4480843 | Polymeric annular snubbing apparatus For use in hydraulic workover operations for oil and gas wells, a snubbing element is provided that is made entirely of polymeric material such as polyurethane. According to a preferred embodiment of the invention, the strength and rigidity supplied to th... | 11/06/1984 |
| 4480703 | Drilling head A drilling head comprises a tubular body adapted for connection above a well head and having a removable side outlet with a replaceable wear bushing. An assembly removably secured in the head includes a stator and rotor with bearing means and rotating sea... | 11/06/1984 |
| 4406333 | Rotating head for rotary drilling rigs There is disclosed a rotating head for a rotary drilling rig which is to be secured to the top of the well pipe having an inner rotating portion with an opening therethrough which permits passage of drill pipe, pipe joints, and Kelly tools; the rotating p... | 09/27/1983 |
| 4367795 | Rotating blowout preventor with improved seal assembly A rotating blowout preventor having a rotating head to which a stripper assembly is attached. The stripper rubber of the stripper assembly has an axial passageway through which a rotating member is telescopingly received. The stripper rubber has an upper,... | 01/11/1983 |
| 4345769 | Drilling head assembly seal In a drilling head assembly for rotary well drilling a tubular member has an external screw thread near its lower end, with the outer surface of the member below the thread tapering downwardly to its lower end to form a sealing surface. Screwed onto the t... | 08/24/1982 |
| 4293047 | Drilling head A drilling head includes a tubular body with top, bottom and side openings. An oriented side outlet with an oriented replaceable bushing is releasably connected to the side opening. The head without the side outlet will pass through most rotary tables. A ... | 10/06/1981 |
| 4285406 | Drilling head A drilling head includes a tubular body with top, bottom and side openings. A top closure closes the annulus between a portion of the head above the side opening and a drive tube such as a kelly extending through the head. The top closure includes a rotor, ada... | 08/25/1981 |
| 4265459 | Swab cup reinforcing member support A well swab cup has an annular bushing for supporting a plurality of longitudinally extending reinforcing members within an elastomeric cup like body. The reinforcing members are supported around the periphery of the bushing and extend upward to a mid-por... | 05/05/1981 |
| 4254962 | Swab cup having long and short reinforcing members A well swab cup has an annular bushing for supporting a plurality of longitudinally extending wire reinforcing members within an elastomeric cup like body. The reinforcing members are supported in a base cup around the lower portion of the bushing and ext... | 03/10/1981 |
| 4192517 | Anti-scale stuffing box improvement Buildup of scale on polished rods extending above certain stuffing boxes on wells producing relatively large amounts of brine incidental to oil production in arid regions is prevented by employing a rigid upper wiper ring in combination with a lower retai... | 03/11/1980 |
| 4081185 | Oil well swab cup An oil well swab cup with improved wear characteristics utilizes a single integral reinforcing structure featuring a wear surface forming a substantial portion of the external surface of the cup.... | 03/28/1978 |
| 3965987 | Method of sealing the annulus between a toolstring and casing head Method of going into and coming out of a cased borehole with a toolstring of varying outside diameter wherein the annulus formed between the toolstring and the borehole wall near the casing head must be sealed against fluid flow. The method is carried out... | 06/29/1976 |
