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"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 7832503 | Downhole motor with a continuous conductive path A downhole drilling motor comprising a housing and a shaft extending within the housing, wherein the shaft is movable relative to the housing. Further, a conducting path extends within the housing between a first axial position and a second axial position. The condu... | 11/16/2010 |
| 7685732 | Orientation sensing apparatus and a method for determining an orientation An orientation sensing apparatus includes a rotatable first member, an orientation sensor device fixed with the first member for generating orientation data relating to an orientation sensor device orientation, and a rotation sensor device for generating rotation da... | 03/30/2010 |
| 7651100 | Seal assembly for limiting movement of a seal within a seal housing An improvement in a seal assembly for sealing with a rotatable component extending within the seal assembly and defining a longitudinal axis of rotation, the seal assembly being of a type including a seal element retained by a seal housing, where one of the seal ele... | 01/26/2010 |
| 7566235 | Electrical connection assembly An electrical connection assembly for providing an electrical connection between a first component and a second component, wherein the second component is comprised of a tubular member and defines a bore, wherein the first component is received within the bore of th... | 07/28/2009 |
| 5868346 | Towel roll holder and towel dispenser A towel roll holder and towel dispenser includes a housing for retaining a roll of toweling. The housing is affixed to a support surface, and easily opened or removed for replacement of the roll. In one embodiment, Velcro strips mounted on the support sur... | 02/09/1999 |
| 5671862 | Extended-life trash receptacle An extended-life trash receptacle includes walls forming a body having an open bottom. A replaceable bottom is adapted to fit within the body. The walls include flanges or other support means on their lower peripheries for supporting the replaceable botto... | 09/30/1997 |
| 5397982 | Releasable sensor for conductor fault detection including a rigid trigger arm A faulted circuit sensor is disposed in a releasable and reusable clamp mountable on an electrical conductor. The clamp includes a body for receiving the faulted circuit sensor indicating circuitry, and a pair of hinged fingers which actuate over the cond... | 03/14/1995 |
| 5322410 | Tube bundle extractor A heat exchanger tube bundle extractor having an improved sled and motive means operable to move the tube bundle into or out of its shell. A fixed screw shaft is provided on the chassis, and a rotatable drive nut on the sled. The drive nut is threadedly r... | 06/21/1994 |
| 5314024 | Angular and radial self-aligning coupling An angular and radial self-aligning coupling includes a first support block having a flow bore therethrough with an enlarged counterbore around one outlet of the flow bore. The enlarged counterbore forms a convex annular surface. A spherical seal plate al... | 05/24/1994 |
| 5308354 | Atherectomy and angioplasty method and apparatus A device for treating obstructions in vessels or small openings in the body, comprising a rotatable ablator tip which is guided to the obstruction in a reduced diameter configuration, expanded and rotated to remove the obstruction, and contracted to remov... | 05/03/1994 |
| 5265845 | Cam-actuated split ball valve A split ball closure member is disposed in the central chamber of a valve. The closure member includes a pair of sealing ball halves each having a substantially spherical sealing surface adapted to seal against annular seats in the valve body around the f... | 11/30/1993 |
| 5233514 | System and method for redeeming and accumulating stock purchase credits in a company by the participating consumers A system and method for acquiring an equity position in a company through the purchase of qualifying products or services offered by the company, by accumulating credits toward the purchase of stock in the company based on the quantity of goods or service... | 08/03/1993 |
| 5203129 | Window insulator A window insulator comprising an insulator core of lightweight rigid insulating materials and/or flexible foam materials, the flexible foam materials being employed at least around the periphery of the core, enclosed by a cover for placement in a window f... | 04/20/1993 |
| 5148626 | Insect barrier and deterrent device An insect barrier and deterrent device for preventing crawling insects from obtaining access to the contents of a food or water containing structure or a food preparation surface from the adjacent ground, floor, or other support surface. One embodiment of... | 09/22/1992 |
| 5125898 | Disposable syringe with automatic needle retraction A disposable medicinal syringe including a tubular plunger from which air has been evacuated and a seal member releasably attached on the distal end of the plunger. The plunger is slidingly and sealingly disposed in the barrel of the syringe. A luer lock ... | 06/30/1992 |
| 5112158 | Underground pipe replacement method and apparatus Underground frangible pipe replacement apparatus and methods for replacing an existing unserviceable pipe by first crushing the existing pipe entirely inwardly, or imploding it, to destroy it. The resulting shards are then forced outwardly into the surrou... | 05/12/1992 |
| 5082485 | Treatment and prevention for oak wilt disease or decline Disclosed are compositions and methods of treating oak wilt, decline, or other fungus-induced diseases of trees. A mixture is applied to the root system comprising sulfur and pentachloronitrobenzene or pentachlorophenol as its active ingredients, and opti... | 01/21/1992 |
| 4949925 | Ladder caddy An adjustable, portable utility shelf includes a main tray having a flat work surface and raised sides. Slide guides are disposed along the sides of the main tray, and comprise channels for receiving correlatively shaped and inter-engageable channels on r... | 08/21/1990 |
| 4948315 | Slip lock pin and cap A slip lock pin and cap for fastening two or more objects together includes a pin having a body and insertable into aligned openings in the objects. The pin body has protruding locking ears on its ends which engage shoulders in the openings upon rotation ... | 08/14/1990 |
| 4900293 | 4:3 perf conversion sprocket A sprocket assembly which allows a film projector or any other film handling device to be readily converted to run film which is either 4-perf or 3-perf. The sprocket assembly includes an outer cylindrical sleeve having teeth for engaging the film perfora... | 02/13/1990 |
| 4892499 | Novelty grinder A novelty grinder includes a grinder base with a pair of guide channels extending across its upper surface and intersecting near its center. The guide channels are preferably perpendicular to one another, and dovetailed in transverse cross-section. A pair... | 01/09/1990 |
| 4872625 | Universal module assembly for space structures A universal module assembly includes a pressure vessel having cylindrical side walls and curved end surfaces. A rigid external supporting framework is attached to the exterior of and surrounds the pressure vessel. The framework includes a main body portio... | 10/10/1989 |
| 4827808 | Rotor assembly for power tong A rotary power tong for use in well drilling operations to make up and break out drill strings or similar axially elongated objects having a housing receiving a rotor assembly therein for actuating jaw members into the drill string for rotation of the dri... | 05/09/1989 |
| 4759658 | Concrete finishing broom An apparatus for concrete finishing to be used primarily in application involving large surface areas. A concrete finishing broom is adapted to wire, cable, rope or other means for pulling the broom across the concrete surface. The broom is fitted also wi... | 07/26/1988 |
| 4750583 | Gas-gun for acoustic well sounding In the art of acoustic well sounding a gas-gun for the sudden discharge of a measured quantity of compressed gas, comprised of two chambers, viz. a discharge chamber closed at one end by a poppet, and on the opposite end by a power-head, the latter a cyli... | 06/14/1988 |
| 4744386 | Modular hydraulic actuator A surface safety valve hydraulic actuator of modular construction. The actuator includes separately installable, removable, and interchangeable wirecutting and non-wirecutting spring modules, used with the same hydraulic cylinder and bonnet. The bonnet is... | 05/17/1988 |
| 4737345 | System for efficiently removing oxides of nitrogen from exhaust gas A system for removal of oxides of nitrogen from the waste gas produced by various combustion processes discloses thoroughly mixing the waste gas with ammonia by means of a static mixing element and then passing the resultant mixture through a catalytic re... | 04/12/1988 |
| 4736799 | Subsea tubing hanger A packoff assembly for sealing the annulus between the outside surface of a tubing hanger and the internal bore of a subsea wellhead includes a packoff sleeve insertable in the annulus and a seal assembly on its lower end. A release sleeve is disposed aro... | 04/12/1988 |
| 4728125 | Grip and seal mechanically locking flowline connector Apparatus for connecting together flowlines including separately actuated gripping and sealing assemblies which are actuated by hydraulic pressure but are held in actuated positions utilizing internally mounted mechanical-type mechanisms.... | 03/01/1988 |
| 4722103 | Splash guard A device for preventing liquids or liquid-like substances splashed out of a bowl or basin from falling onto a background surface includes a base for supporting the device around a portion of the bowl or basin. A shield portion is attached to and extends u... | 02/02/1988 |
| 4717039 | Container reclosing device A reclosing apparatus for reclosing an open container while still laden with contents, to inhibit spillage of the contents. The reclosing apparatus comprises a plate mounted about the central post of a container top for rotating between open and closed po... | 01/05/1988 |
| 4635901 | Position indicator for valves There is disclosed herein an apparatus forming a part of an actuator for providing a constant visual display of the position of a valve. Such apparatus comprises an indicator shaft rotatably disposed in a bore which is oriented perpendicularly of and offs... | 01/13/1987 |
| 4623003 | Hydraulically actuated spool valve A reduced drive area hydraulically actuated spool valve is protected against cavitation and provided with enhanced lubrication by connecting the variable volume inside the valve housing adjacent the non drive area of the spool end to the source of pressur... | 11/18/1986 |
| 4618465 | Method and apparatus for forming a thread profile impression A pin thread profile mold includes two parallel spaced apart plate type thread profile gages. A cast is made with the mold positioned adjacent the thread with the plates parallel to the thread axis and the plane midway therebetween radial to the thread ax... | 10/21/1986 |
| 4615544 | Subsea wellhead system The subsea wellhead system includes a wellhead, a housing seat disposed in and connected to the wellhead, a casing hanger supported by the seat, a holddown and sealing assembly in the annulus between wellhead and hanger, a running tool attached to the han... | 10/07/1986 |
| 4597448 | Subsea wellhead system The subsea wellhead system includes a wellhead, a housing seat disposed in and connected to the wellhead, a casing hanger supported by the seat, a holddown and sealing assembly in the annulus between wellhead and hanger, a running tool attached to the han... | 07/01/1986 |
| 4591296 | Temporary guide base retrieval method and apparatus The invention disclosed herein includes a method and apparatus for latching a temporary guide base to a permanent guide base as the permanent guide base is raised, whereby the two guide bases may be retrieved simultaneously. The apparatus includes a socke... | 05/27/1986 |
| 4579372 | Flowline connector seal A flangeless, disc-like seal plate is disclosed for insertion between opposing flowline hubs for sealingly connecting, blocking or rerouting fluid flow between various fluid carrying lines within said flowline hubs. For connecting flow lines, straight thr... | 04/01/1986 |
| 4563850 | Devices for assembling together the slabs of concrete constituting highways For joining together two concrete slabs (1, 2) juxtaposed side by side along a crack (3), a cylindrical cartridge with vertical axis is used comprising two half shells (41, 42) made from cast metal and joined vertically together by a... | 01/14/1986 |
| 4564068 | Emergency release for subsea tool A torque multiplier subsea tool for setting a seal between a casing hanger and a subsea wellhead includes a mandrel having a sun gear with axial elongate teeth. An outer barrel is disposed around the mandrel forming an annulus therebetween. A planetary ge... | 01/14/1986 |
