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| Number | Title | Issue Date |
| 5209495 | Reciprocating rod pump seal assembly In accordance with illustrative embodiments of the present invention, a combination stuffing box and pressure transmitter system for use with a reciprocating rod or plunger pump includes a housing that carries primary and secondary seal assemblies separat... | 05/11/1993 |
| 5199893 | Seismic connector with replaceable seal In accordance with an illustrative embodiment of the present invention, a connector assembly for plugging geophones into a leader cable includes rigid thermoplastic inserts that are positioned within molded polyurethane bodies and molecularly bonded there... | 04/06/1993 |
| 5199226 | Method and apparatus for removing outer coatings from pipe A coating removal machine or carriage (22) for a pipe (10) has an enclosed housing (44, 46, 48, 50) extending about front and rear tool carriers (74, 76) which rotate in opposite directions about the pipe (10) and have coating removal tools (116, 118, 120... | 04/06/1993 |
| 5195593 | Cylindrical stack for confining and extinguishing an oil well fire In accordance with an illustrative embodiment of the present invention, a method of extinguishing an oil well fire includes positioning an elongated tubular member in an upright position over the opening of the well with the lower end of the member engagi... | 03/23/1993 |
| 5195446 | Apparatus and method for covering openings in hulls of damaged ships An apparatus and method for covering an opening (14) in the damaged metal hull (12) of a ship (10) including a flexible covering material (16) having a plurality of electromagnets (36) embedded therein between inner and outer layers (30, 34) and arranged ... | 03/23/1993 |
| 5195262 | Calendar A calender (10) has a plurality of leaves (12) each representing a month of a year. Each leaf (12) has an outer transparent cover forming a pocket for inner and outer sheets (24,26). Inner sheet (26) has numerals therein in a precise pattern which are reg... | 03/23/1993 |
| 5193774 | Mounting bracket apparatus A mounting bracket apparatus for securing a relatively heavy item of equipment such as an electrical transformer to an upstanding object or structure such as a utility pole. The mounting bracket employs a plurality of elongated and symmetrically shaped ob... | 03/16/1993 |
| 5191740 | Apparatus for cleaning pipe A method and apparatus for cleaning the outer periphery of a pipe (10) by a carriage (28) travelling along the pipe (10). A housing (58) supported from an upper support frame (56) of the carriage (28) includes a pair of housing halves (58, 60) pivotally c... | 03/09/1993 |
| 5191157 | Method for disposal of hazardous waste in a geopressure zone A method and apparatus for safely disposing hazardous waste in a borehole extending through a seal for a subsurface geopressured formation wherein sealed elongated containers filled with hazardous waste are lowered in the borehole to be positioned within ... | 03/02/1993 |
| 5178214 | Restriction sub with deformable plastic sleeve In accordance with an illustrative embodiment of the present invention, a restriction sub apparatus for use during well cementing operations includes a tubular body having an internal annular recess, and a plastic restriction sleeve mounted in the recess,... | 01/12/1993 |
| 5173866 | Automated trash management system An automated trash management system for remotely measuring the fullness of a plurality of trash containers is disclosed. Each container is provided with a remote sensing unit for generating a signal proportional to a characteristic of the container by wh... | 12/22/1992 |
| 5170989 | Sealing assembly for valve member A seat assembly (28) for a valve member (20) includes a seat carrier (40) defining a pocket to receive a rigid seat ring (42). The outer peripheral surface (56) of the rigid seat ring (42) is spaced radially from the inner peripheral surface (45) of the s... | 12/15/1992 |
| 5170659 | Apparatus and method for detecting fluid leakage Apparatus and method for detecting fluid leakage into an enclosed leakage chamber or space sealed by a fluid seal exposed to pressurized fluid from a flow line or pressure vessel. Upon leakage of fluid from the flow line or pressure vessel past the seal i... | 12/15/1992 |
| 5167091 | Clip and method for supporting plants on wooden fences A clip (20) for supporting a vine or plant stem (S) on a pair of planks (12, 14) of a wooden fence (10). The clip (20) has an elongate body portion (22) and a pair of legs (24, 26) extending in opposite transverse directions relative to the longitudinal a... | 12/01/1992 |
| 5165489 | Safety device to prevent premature firing of explosive well tools In accordance with illustrative embodiments of the present invention, a hydrostatic pressure-responsive safety sub that prevents firing of an explosive well tool until it has been lowered below a predetermined depth in a fluid-filled well bore includes a ... | 11/24/1992 |
| 5165473 | Positive stop collar In accordance with an illustrative embodiment of the present invention, a positively operable stop collar for providing a bridge in a well casing that prevents reverse flow of cement slurry includes a tubular body having upper and lower stop rings positio... | 11/24/1992 |
| 5165438 | Fluidic oscillator In accordance with an illutrative embodiment of the present invention, a fluidic oscillator includes a transverse vacuum port which extends between the diffuser legs a predetermined distance below the leading edge surface of the splitter. When flow is dow... | 11/24/1992 |
| 5163888 | Exercise apparatus A resistance device is disclosed for use with exercise equipment such as cross-country ski simulators, stair climbing machines, stationary bicycles and the like. The restraint device includes a rotating assembly disposed about a supporting member such as ... | 11/17/1992 |
| 5161898 | Aluminide coated bearing elements for roller cutter drill bits A roller cutter drill bit (10) has separate bearing elements (82, 84, 86) positioned between a journal (20) and a roller cutter (60) mounted for rotation on the journal (20). The bearing elements (82, 84, 86) are formed of a superalloy material and the be... | 11/10/1992 |
| 5158138 | Apparatus for shutting in a burning oil well In accordance with illustrative embodiments of the present invention, an oil well fire fighting vehicle includes a reciprocated cable mechanism to cut off damaged well casing above ground level, and a slot region and gripping members that attach the vehic... | 10/27/1992 |
| 5153858 | Method for finding horizons in 3D seismic data A method of rapidly generating horizon maps from a three dimensional volume of seismic traces is disclosed. During batch processing of the digital data representing trace wavelets, "1"'s or "0"'s are determined for each seismic trace of the volume. A "1" ... | 10/06/1992 |
| 5150755 | Milling tool and method for milling multiple casing strings A cutting tool (22) includes a plurality of pivoted blades (36) for swinging outwardly to an expanded radial position for first cutting the walls of multiple casing strings (10, 11), and then removing a predetermined length of the casing strings (10, 11) ... | 09/29/1992 |
| 5140993 | Device for collecting a breath sample In accordance with illustrative embodiments of the present invention as disclosed herein, a breath sample collecting device includes a flexible plastic bag having a mouthpiece and inlet valve assembly connected adjacent one end of the bag, and a sample tr... | 08/25/1992 |
| 5139229 | Ball valve and method of assembly A ball valve (10) has a one-piece valve body (12) with a small diameter bore (16) and an opposed large diameter bore (18) in fluid communication with a valve chamber (14). An annular flange (40) projects within the large diameter bore (18) and a washer-ty... | 08/18/1992 |
| 5137167 | Sealing means for floating tank roof and method of installation A closure (38) for an annular clearance (36) between a floating tank roof (20) and a generally cylindrical tank (10) including the method of installation is provided. The closure (38) includes a plurality of arcuate shoes (40) mounted about the inner circ... | 08/11/1992 |
| 5135051 | Perforation cleaning tool In accordance with an illustrative embodiment of the present invention, a well perforation cleaning tool includes a fluidic oscillator that creates pressure changes which induce cyclical stresses in the damaged skins of the perforations and causes the ski... | 08/04/1992 |
| 5134881 | Micro-machined accelerometer with composite material springs A transducer fabricated by micro-machining includes E-shaped leaf springs suspending a mass from a support. The transducer is formed by chemical etching through openings of opposite faces of a silicon wafer on which etch stop layer patterns are diffused. ... | 08/04/1992 |
| 5131476 | Down hole percussion drill apparatus A downhole percussion drill or hammer (100) is disclosed having an outer casing (2) in which a reciprocating piston (26) which periodically impacts a drilling bit (16) disposed at a bottom end of the casing. A top chuck (1), attached to the top end of the... | 07/21/1992 |
| 5131465 | Perforating apparatus for circulating cement In accordance with an illustrative embodiment of the present invention, a perforating gun apparatus for forming holes in a well casing through which cement can be circulated includes a mandrel, four arm-mounted, shaped charge carriers on the body, and bow... | 07/21/1992 |
| 5130954 | Leader cable anchor for a geophone In accordance with illustrative embodiments of the present invention as disclosed herein, a leader cable is anchored to a post on the upper end of a geophone case having a spike on its lower end that penetrates the ground to hold the case in an upright po... | 07/14/1992 |
| 5129848 | Controllable variable depth mooring system and method A mooring system and method of anchoring a buoyant module (16) in a submerged location in the sea for supporting an underwater structure such as a plurality of acoustical arrays (18) for receiving and transmitting acoustical signals is disclosed. The buoy... | 07/14/1992 |
| 5127628 | Means for rotating ball valves between open and closed positions A ball valve (10) has a stem (28) to rotate a ball member (20) with a lower key or lug (29) received within a slot or opening (26) forming a keyway in the ball member (20). As shown particularly in FIGS. 2 and 3, relieved or cutaway surfaces (52, 54, 56) ... | 07/07/1992 |
| 5127623 | Inner seal for ram-type blowout preventer An inner seal assembly for a pair of opposed ram bodies (12, 14) of a ram-type blowout preventer (10) includes an elastomeric packer (22) and a resilient insert (23). Resilient insert (23) has a plurality of lugs (58) which fit within indentations (36) in... | 07/07/1992 |
| 5126059 | Precipitation control A precipitation control composition comprises an iron sequestering agent and a ketone-type compound as sulfide modifier. The precipitation control composition is useful to retard undesirable precipitation of iron and sulfur species from an acid solution o... | 06/30/1992 |
| 5123489 | Milling tool and method for removing a packer A milling and retrieval tool (10) to remove a packer (14) from a casing (12), and a method to release the tool (10) from the packer (14) for separate removal from the casing (10). Tool (10) includes a sleeve (58) having resilient fingers (60) which spring... | 06/23/1992 |
| 5123484 | Pipe handling clamp In accordance with an illustrative embodiment of the present invention, a clamp assembly that is tightened around a pipe to handle the same includes linked, circumferentially spaced gripping members open on one side to provide a gate region, a pressure op... | 06/23/1992 |
| 5123206 | Wet abrasive blasting method In accordance with illustrative embodiments of the present invention, a hopper containing a sodium bicarbonate abrasive is pressurized with a dry gas such as nitrogen. The abrasive is fed into a transport line through which compressed air flows toward a n... | 06/23/1992 |
| 5121797 | Methods and apparatus for shutting in a burning oil well In accordance with illustrative embodiments of the present invention, an oil well fire fighting vehicle includes a reciprocated cable mechanism to cut off damaged well casing above ground level, and a slot region and gripping members that attach the vehic... | 06/16/1992 |
| 5120237 | Snap on cable connector In accordance with an illustrative embodiment of the present invention, a right angle connector assembly includes a molded elastomer plug body having a rigid thermoplastic insert member mounted and bonded therein, such insert member having sockets that ma... | 06/09/1992 |
| 5109629 | Method and apparatus for killing subterranean insects A system (10) and method for killing ants in a subterranean colony (102) is disclosed. Liquid insecticide is vaporized in a fogging a vaporization chamber (23) by the exhaust of an internal combustion engine (14) such as that mounted on a lawn mower (12) ... | 05/05/1992 |
