Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 8141880 | High pressure sealing apparatus There is provided a high pressure sealing apparatus including: a top adapter including a packing receiving recess having an inverted V-shaped section; a bottom adapter including a packing supporting wall having an inverted V-shaped section; packing members each havi... | 03/27/2012 |
| 8104769 | Bi-directional wellhead seal A liquid and gas tight bi-directional metal frustro-conical seal is energized by compression between planar, annular faces causing its inner and outer diameters to sealingly engage opposing cylindrical surfaces of inner and outer metal pipes. The contact forces betw... | 01/31/2012 |
| 7434617 | Cup tool with three-part packoff for a high pressure mandrel A cup tool for use with a high-pressure mandrel of a wellhead isolation tool has a three-part packoff assembly that slides over a cup tool tube from an unset position to a set position. The three-part pack off assembly includes an elastomeric cup, a rigid alignment ... | 10/14/2008 |
| 7401788 | High pressure and temperature seal for downhole use A seal for use in temperature and pressure extremes is disclosed. It features springs internal to the sealing members and the ability to seal against pressure differentials from opposed directions. A spacer ring prevents contact from oppositely oriented seal compone... | 07/22/2008 |
| 7373973 | Packer element retaining system A bridge plug having a segmented backup shoe, and at least one split cone extrusion limiter, the extrusion limiter comprising a two part conical retainer positioned between packer elements and the segmented backup shoe to block packer element extrusion though spaces... | 05/20/2008 |
| 7363981 | Seal stack for sliding sleeve A method and apparatus for sealing a tool for use in a wellbore is provided. The seal is configured to be disposed in a tool comprising a ported sliding sleeve and a ported housing. The tool may be actuable between a closed and an open position. The seal is configur... | 04/29/2008 |
| 7360590 | Energized thermoplastic sealing element and method of use A packer element for use in forming a fluid pressure barrier within a wellbore. The packer element uses a thermoplastic component to accomplish the seal against the interior diameter of a surrounding tubular and an energizing component that is preferably formed of e... | 04/22/2008 |
| 7341258 | Cammed seal assembly with sealing ring having an angled leg portion and foot portion with elastomeric energizer element A seal assembly seals first and second operational surfaces spaced apart by a gap. The first surface includes a seal groove having a base surface and first and second side surfaces. A sealing element in the seal groove has a foot portion extending parallel to the ba... | 03/11/2008 |
| 7270875 | Gland packing A gland packing characterized in that a water swelling mineral is stuck or impregnated into a surface or an inner part of a gland packing base material. The water swelling mineral is preferably water swelling mica. This gland packing substantially eliminates seizing... | 09/18/2007 |
| 7229077 | Ordered elastomeric composite material Ordered elastomeric composites comprise an ordered arrangement of a number of first elastomeric phases distributed uniformly within a continuous matrix second elastomeric phase. The second phase can be formed from an elastomeric material that is relatively harder th... | 06/12/2007 |
| 7172027 | Expanding tubing A method of expanding tubing downhole comprises providing a section of expandable tubing of a first diameter, and axially compressing the tubing to induce buckling, such that the buckled portion describes a larger second diameter. The resulting diametric expansion m... | 02/06/2007 |
| 7134491 | Leak remedy through sealants in local reservoirs The present invention provides a method for remedying minute seal leaks in downhole tools and equipment. The various embodiments of the present invention utilize pressure activated liquid sealants stored in local reservoirs to remedy such leaks. ... | 11/14/2006 |
| 7011312 | Gland packing and sealing apparatus comprising it To provide a novel gland packing and a sealing apparatus comprising this, wherein the gland packing displays high and stable sealability for a stem and an inner wall surface of a stuffing box even for uses further requesting the movability (rotation and reciprocatin... | 03/14/2006 |
| 6886832 | High pressure fluid cylinder system A high pressure fluid jetting system generally includes a fluid cylinder pump, a drive assembly, a pressurized liquid supply and an applicator gun. The drive assembly includes a diesel or electric powered motor which drives a rotatable drive shaft. The drive shaft d... | 05/03/2005 |
| 6869079 | Stackable metallic seal and method of using same A seal for sealing between a first component and a second component includes a first metallic element comprising a plurality of sealing profiles and defining a groove therein and a second metallic element comprising a plurality of sealing profiles and a protrusion m... | 03/22/2005 |
| 6752397 | Redundant metal-metal seal A sealing assembly for protecting a downhole connection is disclosed. The sealing assembly includes independently energized metal—metal seals and a housing that prevents the energization of individual seals from affecting other seals. ... | 06/22/2004 |
| 6406028 | Seal stack A seal stack includes one or more first seals that are adapted to seal in at least a first range of temperatures. The seal stack also includes a second seal that is adjacent to at least one of the first seals. The second seal is adapted to seal in at leas... | 06/18/2002 |
| 6343791 | Split mesh end ring The present invention generally provides a seal assembly, or seal array, having a seal body and one or more non-extrusion end rings to prevent or minimize extrusion of the seal body between either the packer assembly and the casing or between the packer a... | 02/05/2002 |
| 6318729 | Seal assembly with thermal expansion restricter A seal assembly having a first seal with a first mating surface and a recess in the first mating surface, and a second seal having a second mating surface and a recess in the second mating surface. The first mating surface of the first seal is adjacent to... | 11/20/2001 |
| 6302405 | Anti-extrusion seal A seal assembly formed of a T-seal, a pair of back-up rings abutting each side of the T-seal, and a bearing abutting the side of each of the back-up rings. The T-seal is formed of a elastomer material, the back-up ring is formed of a PTFE (polytetraflouro... | 10/16/2001 |
| 6290231 | Diverter flow line seal A diverter body having an upper portion, a central portion and a lower portion is secured to the upper end of a riser and lands in a housing. The central portion has lateral flow openings that axially align with a lateral flowline outlet in the housing. A... | 09/18/2001 |
| 6167963 | Removable non-metallic bridge plug or packer A composite packer or bridge plug includes substantially all nonmetallic components. The design allows the setting tool metallic components to be retrieved after the bridge plug is set. The slips contain flats with mating flats on the cones which extend t... | 01/02/2001 |
| 5961123 | Metal back-up ring for downhole seals A sealing element for a packer or bridge plug or other downhole tool is illustrated which employs the use of back-up rings above and/or below a resilient seal. The various sleeves which are moved with respect to each other to compress the sealing element ... | 10/05/1999 |
| 5676384 | Anti-extrusion apparatus made from PTFE impregnated steel mesh A low friction, dry lubricant impregnated anti-extrusion apparatus for engagement with an annular seal or packer, wherein said packer is used to seal the annular space of a well or pipe bore. The low friction, dry lubricant impregnated anti-extrusion appa... | 10/14/1997 |
| 5584489 | Primary and secondary seal assemblies with contacting convex surfaces A seal assembly for use in completion and production operations of a subterranean hydrocarbon well for sealing the annular space between the production casing and tubing, which assembly generally includes primary seal members having a circular, oval or el... | 12/17/1996 |
| 5431412 | Sealing element The invention comprises a uniquely shaped sealing element or elements for a packer. In an application using a stack of elements, the upper element is configured so that at least a portion of its inside diameter represents an interference fit with the mand... | 07/11/1995 |
| 5309993 | Chevron seal for a well tool A sealing apparatus is provided for sealing between concentric relatively moveable tubular members. The sealing apparatus is comprised of a plurality of retainer seal rings, made of a high temperature thermoplastic, and between each retainer seal ring is ... | 05/10/1994 |
| 5165703 | Anti-extrusion centering seals and packings A sealing system is disclosed that includes an elastomer or other resilient seal material for a center ring bounded by a pair of mesh rings coated with a flexible material. Alternatively, a sealing system is disclosed that uses a plurality of mesh rings, ... | 11/24/1992 |
| 5096209 | Seal elements for multiple well packers Seal elements for use on well packers having multiple mandrels for sealing between the packer and the inner wall of a well pipe. The seal elements (center elements and/or end elements) are provided with voids therein for controlling the stresses created i... | 03/17/1992 |
| 4811959 | Seal assembly for well locking mandrel A seal assembly for use on a downhole well tool such as a wireline locking mandrel. The seal assembly includes a center element, multiple v-rings, wire mesh backup rings, and minimum clearance metal backup rings. The v-rings are manufactured from asbestos... | 03/14/1989 |
| 4796922 | Subsea multiway hydraulic connector A hydraulic connector for a subsea well assembly has spherical hydraulic seats. Each seat has the same radius of curvature in a vertical direction as in a horizontal direction. Each connector member has a plurality of hydraulic passages, each hydraulic pa... | 01/10/1989 |
| 4753444 | Seal and seal assembly for well tools A seal and seal assembly for use with well tools, such particularly as well packers, for sealing the annulus between the well packer mandrel and the wall of a well tubing such as casing. The seal is fabricated of an elastomeric-like material comprising fl... | 06/28/1988 |
| 4730835 | Anti-extrusion seal element A sealing assembly for effecting the sealing of an annulus between two telescopically related tubular conduits, of the type employed in subterranean wells, is achieved by utilizing annular seal backup elements dieformed from a knitted wire mesh by two suc... | 03/15/1988 |
| 4720113 | Multilayer, multihardness seal An annular multilayer seal including a series of more than two successive layers of elastomeric material. The layers vary in hardness in the axial direction of the seal, the outermost layers being the hardest and the innermost layer being the softest. Whe... | 01/19/1988 |
| 4700954 | Radially extensible joint packing with fiber filled elastomeric core An annularly shaped elastomeric core type joint packing having a fiber reinforcement, having a radial reinforcing effect with respect to a longitudinal axis of the core.... | 10/20/1987 |
| 4613159 | Pressure-assisted dynamic seal apparatus A pressure-assisted dynamic seal mechanism for sealing two relatively movable members within a tubing string in a well includes a primary seal member having a first cross-sectional area positioned for sealing engagement between the two relatively movable ... | 09/23/1986 |
| 4588030 | Well tool having a metal seal and bi-directional lock A well tool, for setting in a nipple having a locking notch, including a body with initially retracted first and second locking dogs with a threaded actuator for moving the first and second dogs axially relative to each other and into engagement with the ... | 05/13/1986 |
| 4524834 | Cablehead side entry sub Apparatus and method are disclosed for feeding a cablehead assembly into the side of a drill string. The cablehead is passed through a low angle side entrance in a side entry sub into the drill string. A cartridge assembly is seated in the side entrance a... | 06/25/1985 |
| 4513816 | Sealing system for a well bore in which a hot fluid is circulated A sealing system for a tubing string in a well bore which is capable of undergoing deformation under the action of a hot fluid and has at least one casing string in which the tubing is housed, a connecting and sealing assembly placed between the casing an... | 04/30/1985 |
| 4509763 | Radially extensible joint packing with helical spring support means A polymeric type joint packing having a garter spring circumferentially oriented near one packing end where the garter spring has a helical core diameter that is greater than a radial gap to be sealed by the packing.... | 04/09/1985 |
