Bizarre Patents
Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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| Number | Title | Issue Date |
| 7594553 | Composite tool insert A tool insert comprises a substrate (10) having a support surface and a support ring extending laterally from the support surface. The support ring is sized to define a recess (14) within the confines thereof and a shelf about the periphery thereof. A ... | 09/29/2009 |
| 7225890 | Cutting plate for a drill bit An auxiliary cutting plate (10) for a multi-cutting plate drill bit (2) has a body (44) for fixing into a slot in the drill bit (2) and a profiled tip (46). The body (44) has a central longitudinal axis and the profiled tip ... | 06/05/2007 |
| 7140814 | Spade-type drill bit having helical configuration A spade bit including a longitudinally extending shaft having a cutting member located at a distal end thereof. The cutting member comprises a pair of helically shaped, opposed blades joined along the longitudinal axis of the shaft and an axially extending pilot spu... | 11/28/2006 |
| 7131505 | Drilling with concentric strings of casing The present invention provides a method and apparatus for setting concentric casing strings within a wellbore in one run-in of a casing working string. In one aspect of the invention, the apparatus comprises a drilling system comprising concentric casing strings, wi... | 11/07/2006 |
| 7048050 | Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des... | 05/23/2006 |
| 7036610 | Apparatus and method for completing oil and gas wells A method of drilling and completing a wellbore in a geological formation to produce hydrocarbons from a well comprising at least the following four steps: drilling the well with a retrievable drill bit attached to a casing; removing the retrievable drill bit from th... | 05/02/2006 |
| 6968912 | Drill blades for drill bit A drill bit consists of a bit body having a forward end and a slot in the forward end to hold a hardened cutting blade. The blade has a central slot extending into the forward end thereof such that the slot defines inner side wails and a bridge extending between the... | 11/29/2005 |
| 6962217 | Rotary drill bit compensating for changes in hardness of geological formations A long lasting rotary drill bit for drilling a hole into variable hardness geological formations that has a self-actuating mechanism responsive to the hardness of the geological formation to minimize the time necessary to drill a borehole. A long lasting rotary dril... | 11/08/2005 |
| 6945339 | Core drill A plurality of chip evacuating grooves (16, 26, 36, 46a, 46b) in a vertical direction in parallel with a rotational axis of a core main body (14) are formed at an outer peripheral face of the core main body (14) in a circumf... | 09/20/2005 |
| 6932172 | Rotary contact structures and cutting elements Cutter elements including pointed contact structures and elements, and rock tools or bits for carrying those elements, for chipping, cutting, and breaking non-ductile materials are disclosed. The cutter elements, the ends of which directly contact and cut through ro... | 08/23/2005 |
| 6904983 | Low-contact area cutting element A cutting element for a drag-type drill bit comprises a cutter body having a generally cylindrical base section adapted for snug-fitting engagement in a socket of a drill bit body. The cutter body is secured to the bit body by brazing or other conventional attachmen... | 06/14/2005 |
| 6843333 | Impregnated rotary drag bit A drill bit employing a plurality of discrete, post-like, abrasive, particulate-impregnated cutting structures extending upwardly from abrasive, particulate-impregnated blades defining a plurality of fluid passages therebetween on the bit face. Additional cutting el... | 01/18/2005 |
| 6547017 | Rotary drill bit compensating for changes in hardness of geological formations A long lasting rotary drill bit for drilling a hole into variable hardness geological formations that has a self-actuating mechanism responsive to the hardness of the geological formation to minimize the time necessary to drill a borehole. A long lasting ... | 04/15/2003 |
| 6510906 | Impregnated bit with PDC cutters in cone area A drill bit employing a plurality of discrete, post-like diamond grit impregnated cutting structures extending upwardly from abrasive particulate-impregnated blades defining a plurality of fluid passages therebetween on the bit face. PDC cutters with face... | 01/28/2003 |
| 6454028 | Wear resistant drill bit A wear resistant drill bit of the matrix bodied type has a bit body comprising a tungsten carbide material bound with a binder material, wherein the tungsten carbide material includes at least some tungsten carbide particles of generally spherical shape. ... | 09/24/2002 |
| 6095265 | Impregnated drill bits with adaptive matrix The present invention provides a diamond impregnated bit with an adaptive matrix in the ribs. The ribs have at least two different areas of metal-matrix composite impregnated with diamonds with different wear resistance such that during boring of formatio... | 08/01/2000 |
| 5868125 | Crenelated abrasive tool An abrasive tool for cutting extremely abrasive-resistant materials includes a novel, abrasive segment with a generally crenelated, rectangular appearance. The segment has a single piece vein of a primary abrasive and first bond material extending complet... | 02/09/1999 |
| 5836409 | Monolithic self sharpening rotary drill bit having tungsten carbide rods cast in steel alloys A monolithic long lasting rotary drill bit for drilling a hole into a geological formation having at least one hardened rod which has a length of at least three times its diameter composed of hard material such as tungsten carbide that is cast into a rela... | 11/17/1998 |
| 5679445 | Composite cermet articles and method of making Methods for making, methods for using and articles comprising cermets, preferably cemented carbides and more preferably tungsten carbide, having at least two regions exhibiting at least one property that differs are discussed. Preferably, the cermets furt... | 10/21/1997 |
| 5677042 | Composite cermet articles and method of making Methods for making, methods for using and articles comprising cermets, preferably cemented carbides and more preferably tungsten carbide, having at least two regions exhibiting at least one property that differs are discussed. Preferably, the cermets furt... | 10/14/1997 |
| 5615747 | Monolithic self sharpening rotary drill bit having tungsten carbide rods cast in steel alloys A monolithic long lasting rotary drill bit for drilling a hole into a geological formation having at least one hardened rod which has a length of at least three times its diameter composed of hard material such as tungsten carbide that is cast into a rela... | 04/01/1997 |
| 5301762 | Drilling tool fitted with self-sharpening cutting edges Self-shaping disk-shaped cutting edge of a drilling tool, comprising an outer diamond-impregnated polycrystalline layer (22) applied onto a tungsten carbide layer (24), each cutting edge being mounted on a support (18) which is integral with the body (12)... | 04/12/1994 |
| 5135061 | Cutting elements for rotary drill bits A preform cutting element for a rotary drill bit for use in drilling or coring holes in subsurface formations includes a cutting table 12, 13 of superhard material such as polycrystalline diamond. The rear face of the cutting table is bonded to a substrat... | 08/04/1992 |
| 5025873 | Self-renewing multi-element cutting structure for rotary drag bit The present invention comprises a rotary drill bit including a cutting structure comprising an array of cutting elements oriented and arranged to facilitate concentration of the load on bit on groups of cutting elements until the elements become dulled or... | 06/25/1991 |
| 5012863 | Pipe milling tool blade and method of dressing same A blade (8) for a pipe milling tool having a body (1) and a longitudinal axis (100) has a plurality of slots (12) extending both in a generally radial direction and in an intended direction of rotation of the milling tool about the longitudinal axis. Loca... | 05/07/1991 |
| 4898252 | Cutting structures for rotary drill bits A cutting structure for a rotary drill bit includes a cutting element 30 having a front layer 32 formed of polycrystalline diamond, bonded to a backing layer 33 formed of tungsten carbide. The cutting element is bonded to a carrier 33 which is formed of a... | 02/06/1990 |
| 4813500 | Expendable diamond drag bit A fishtail type drag bit having abradable cutter blades attached to a body of the bit is disclosed. A multiplicity of axially aligned tubes are welded together to form a blade each blade being sustantially parallel with an axis of the bit body. Each tube ... | 03/21/1989 |
| 4727946 | Rotary drill bits A rotary drill bit, for drilling wells in subsurface earth formations, and designed for rotation in a given direction, comprises a bit body having an internal passageway for drilling fluid. The bit body has an operating end face and at least one opening t... | 03/01/1988 |
| 4719979 | Expendable diamond drag bit Drag-type drilling bits are disclosed which have at least one blade and a plurality of fluid flow channels incorporated in the blade for conducting drilling fluid or drilling mud from the hollow interior of the bit to discharge or ejection ports located i... | 01/19/1988 |
| 4690228 | Changeover bit for extended life, varied formations and steady wear A roller cone bit may be used as a rotating drag bit by treating the roller cones as carriers for a plurality of distinguishable types of drag cutters. The roller cones are each coupled to a mechanism which selectively allows rotation of the roller cones.... | 09/01/1987 |
| 4596296 | Rotary drill bits A rotary drill bit, for use in subsurface formations, comprises a bit body, a passageway for drilling fluid within the body, communicating with nozzles in the external surface of the body, preform cutting elements mounted on the body for cutting or abradi... | 06/24/1986 |
| 4593777 | Drag bit and cutters A drill bit comprises a bit body having an operating end face. A plurality of self-sharpening cutters are mounted in the bit body and extend through the operating end face. The cutters have cutting faces adapted to engage an earth formation and cut the ea... | 06/10/1986 |
| 4558753 | Drag bit and cutters A drill bit comprises a bit body having an operating end face. A plurality of self-sharpening cutters are mounted in the bit body and extend through the operating end face. The cutters have cutting faces adapted to engage an earth formation and cut the ea... | 12/17/1985 |
| 4533004 | Self sharpening drag bit for sub-surface formation drilling A self-sharpening rotary drag bit assembly comprises: (a) a carrier body adapted to be rotated about a first axis, and having a drilling end, (b) cutters carried by the body to be exposed for cutting at the drilling end of the body, the cutters having thereon ... | 08/06/1985 |
| 4478296 | Drill bit having multiple drill rod impact members A drill bit for drilling a subterranean bore hole which includes a housing having a cap plate adapted for connection to a drill pipe and a base block axially aligned with and spaced from the cap plate by guide members. A plurality of elongated drill rod i... | 10/23/1984 |
| 4394882 | Continuous chain bit with downhole cycling capability A continuous chain bit for hard rock drilling is capable of downhole cycling. A drill head assembly moves axially relative to a support body while the chain on the head assembly is held in position so that the bodily movement of the chain cycles the chain... | 07/26/1983 |
| 4359335 | Method of fabrication of rock bit inserts of tungsten carbide (WC) and cobalt (Co) with cutting surface wear pad of relative hardness and body portion of relative toughness sintered as an integral composite A method of fabricating a rock bit insert which has improved wear characteristics is disclosed. Selected surfaces of the insert are implanted with a harder grade of tungsten carbide and sintered thereto. The special insert then would find application in t... | 11/16/1982 |
| 4324300 | Rotary drill bit A drill bit including a support member and a plurality of concentrically positioned, hollow, cylindrical cutting members connected to the support member is disclosed. Each of the cutting members includes a beveled edge obliquely extending between the inne... | 04/13/1982 |
| 4290498 | Ablatible drill There is disclosed an ablatible drill comprising a soft or frangible matrix having embedded therein a multiplicity of hard inclusions which act as cutting teeth. During drilling, the matrix gradually wears away so that worn inclusions are circulated out o... | 09/22/1981 |
| 4252201 | Drilling method and apparatus A drill having plural forwardly projecting circumferentially spaced cutting bits includes a hydraulic motor operated at full drilling fluid pressure to drive the cutting bits in unison through a first one-way clutch in a drilling mode. A centrifugal devic... | 02/24/1981 |
