...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 8123259 | Loose anti-rotation lock sleeve for pipe/flange assembly A loose anti-rotation lock sleeve design for use in a flange and pipe assembly. The design includes a lock sleeve positioned between a pipe and a flange to prevent rotation of the pipe relative to the flange. The lock sleeve includes at least two openings in a first... | 02/28/2012 |
| 7926856 | Fluid conduit connection A fluid conduit connector assembly includes a connector having a body with an inner surface defining a fluid channel. The connector also includes an inlet region for flow of fluid into the fluid channel, and an outlet region for flow of fluid from the fluid channel.... | 04/19/2011 |
| 7914052 | Splined connector for a position-sensitive device such as a showerhead A showerhead or other water-dispensing assembly (100) is joined to a supply pipe (105) by a nut (110) and a collar (135). The supply pipe terminates in male threads (130). The nut includes a distal splined projecting section (12... | 03/29/2011 |
| 7435246 | System and device for removing pharmaceutical products A system for removing or transferring a pharmaceutical product from a reservoir including an ampoule with a moveable piston therein and an adaptor which includes, generally along a longitudinal axis, a reservoir connector and an ampoule connector for coupling to the... | 10/14/2008 |
| 7434848 | Threaded tubular connection having interlocking tubular end structures A tubular connection having a first joint having outer threads and an inner bore, and a second joint having outer threads and an inner bore. The tubular connection further includes an outer nut having inner threads that cooperate with the outer threads of the first ... | 10/14/2008 |
| 7390032 | Tubing joint of multiple orientations containing electrical wiring A tubing connection for coupling two or more joints of tubing sections is disclosed comprising a plug assembly and a socket assembly. The plug assembly has a plurality of splines and the socket assembly has a plurality of receptacles adapted to receive the plurality... | 06/24/2008 |
| 7331613 | Medical tubing connector assembly incorporating strain relief sleeve A connector assembly for interconnecting separate sections of tubing, e.g., medical tubing. Connector assemblies are a two-piece construction having a connector pin and a connector sleeve. The connector sleeve includes a first end, a second end, and a passageway ext... | 02/19/2008 |
| 7331705 | Static device and method of making A static device and method of making is disclosed for mixing matter flowing therethrough. The invention comprises a tube having a polygonic cross section defining a plurality of corners. The tube is spirally twisted with the plurality of corners forming a plurality ... | 02/19/2008 |
| 7275465 | Non-marring tools In one embodiment, an enhanced hex key comprises a hex key composed of a first material (e.g., a metal such as steel) and non-marring, protective sleeve composed of a second material fitted onto the hex key bit portion of the hex key. In one embodiment, the sleeve m... | 10/02/2007 |
| 7257932 | Light weight building material The present invention relates to a light weight building material (1) for structural work. The light weight building material (1) comprises at least three walls, a first wall (11), a second wall (12) and a third wall (13) formed fr... | 08/21/2007 |
| 7252310 | Pipe coupling with tongue and groove sealing sleeve A coupler for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside the band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint at the co... | 08/07/2007 |
| 7249789 | Water well casing A novel design for the connection of polyvinyl chloride (PVC) casing. Each length of casing has a male end and a female end. The female end has a narrowing interior diameter with its wider interior diameter at its outermost end sufficient to receive the male end of ... | 07/31/2007 |
| 7240735 | Subsea wellhead assembly A subsea wellhead including a wellhead housing having a bore with a grooved profile. An upper portion of the bore has a greater diameter than a lower portion of the bore, and a central conical portion of the bore joins the upper portion of the bore and the lower por... | 07/10/2007 |
| 7240728 | Expandable tubulars with a radial passage and wall portions with different wall thicknesses A tubular liner including a first tubular portion, a second tubular portion, and an intermediate tapered tubular portion coupled to, and positioned between, the first and second tubular portions. ... | 07/10/2007 |
| 7237810 | Plastic pipe adhesive joint A method of joining two pipe ends, by forming male threads on an end of a first pipe with a steep taper angle, forming matching female threads on an end of a second pipe, and applying adhesive material to the threads before twisting the pipes to fully engage the mal... | 07/03/2007 |
| 7234732 | Pipe coupling for joining pipes of varying diameters A pipe coupling for joining a first pipe to pipes of varying diameters includes first and second hollow fittings which are secured together in end-to-end relationship by a crimping process to rigidly hold the fitting members together to form a continuous fluid passa... | 06/26/2007 |
| 7226090 | Rod and tubing joint of multiple orientations containing electrical wiring A rod and tubing connection for coupling two or more joints of tubing sections comprises a plug and a socket. The plug has a plurality of splines and the socket has a plurality of receptacles adapted to receive the plurality of splines. The plurality of splines comp... | 06/05/2007 |
| 7216840 | Supporting framework for a swivel chair or swivel table A supporting framework for a swivel chair or table includes a gas spring and a cylinder put on the gas spring. The cylinder includes two opposite holes and a plurality of equally circumferentially spaced longitudinal apertures. Spring loaded posts and lock bars are ... | 05/15/2007 |
| 7213655 | System for connecting downhole tools A hands-free connection system is provided for coupling downhole tools for use in well operations. The connection system includes two downhole tools connectable together in threaded engagement. The connection system further includes a compressible locking sleeve pos... | 05/08/2007 |
| 7207605 | Tube coupling Coupling components which prevent relative rotation between tubular members when break away torque forces are applied to the tubular members. In one embodiment, the invention is a locking ring for preventing relative axial rotation between two generally tubular memb... | 04/24/2007 |
| 7185922 | Anti-rotation device and anti-rotation structure for a pipe and a connector Anti-rotation device for a pipe and a connector has a pipe connecting portion and a connector connecting portion constructed integrally on the pipe connecting portion. The anti-rotation device is mounted on the pipe and the connector while the pipe connecting portio... | 03/06/2007 |
| 7183486 | Liquid-tight connector with deformable o-ring A liquid tight connector for terminating one end of an elongate electrical conductor includes a connector body having a rearward conduit receiving end, an opposed forward end and a central bore therethrough. A gland nut is movably secured to the rearward conduit rec... | 02/27/2007 |
| 7175896 | Composite having two or more layers, including an EVOH layer A layered composite contains the following layers: (I) a layer I composition containing (a) from 0 to 80 parts by weight of at least one polyamide; (b) from 0 to 100 parts by weight of at least one polyamine-polyamide copolymer; and (c) from 0 to 80 parts by weight ... | 02/13/2007 |
| 7168743 | Means to seal terminal ends of pipe sleeves An apparatus to seal terminal ends of the two half oversized sleeves, positionable on the external circumferential side of affected riser pipes. The apparatus comprises of a pair of flange bodies integral to the two half oversized sleeves and a pair of terminator bo... | 01/30/2007 |
| 7168486 | Apparatus comprising expandable bistable tubulars and methods for their use in wellbores A technique for connecting expandable tubulars. The technique comprises an expandable connector system that facilitates the connection of tubular components, such as tubulars used in wellbore environments. ... | 01/30/2007 |
| 7165920 | System for attaching accessories to a rotary hand tool A system for attaching an accessory attachment to a rotary hand tool of the type having a body with a generally cylindrical nose end portion through which an output shaft passes. The preferred embodiment of the system has an attachment that has an attaching end whic... | 01/23/2007 |
| 7160058 | Methods and module for an underground assembly for storm water retention or detention Methods and modules for use in a modular assembly are disclosed for retaining or detaining storm water beneath a ground surface. A module comprises a substantially horizontally disposed deck portion and at least one substantially vertically disposed side portion ext... | 01/09/2007 |
| 7155764 | Rail coupling and lock for split-apart basket stretchers A split-apart basket stretcher and its corresponding rail coupling and lock, where the stretcher has first and second portions for mounting in opposed facing relation to one another, and the rail coupling and lock releasably locks the first and second portions toget... | 01/02/2007 |
| 7146704 | Method for coupling connectors using an anti-rotation device The present invention is generally directed to an anti-rotation device for mating connectors, and methods of using same. In one illustrative embodiment, the method comprises coupling a first connector to a second connector, removing at least a portion of the second ... | 12/12/2006 |
| 7137654 | Fastening mechanism for medical connectors A medical connector adapted for placement between a catheter and a medical infusion or injection source includes a pair of interlocking half medical connector portions, one side of which attaches to the infusion source and the other side of which is coupled to the c... | 11/21/2006 |
| 7132624 | Less smoke fume-dispersing device for welding operations A fume-dispersing device and welder combination for removing unwanted gases from a welding work area comprises a welder including a grip portion having an axis, and a welding tip extending in an axial direction from said grip portion and providing a distal welding e... | 11/07/2006 |
| 7128038 | Intake device for an internal combustion engine An intake device for an internal combustion engine includes a throttle body (1) that forms an intake passage (1a). A throttle valve (2) is arranged within the intake passage. A pipe member (26) is connected to the throttle body, wh... | 10/31/2006 |
| 7108294 | Composite pipe assembly and components A plastic coupling for joining two metal pipe sections end-to-end to form a pipe assembly. A first plastic spigot cuff is formed along the periphery of the end of the first pipe and a mating second plastic bell cuff is formed along the periphery of the end of the se... | 09/19/2006 |
| 7108063 | Connectable rod system for driving downhole pumps for oil field installations Improved sucker rod joints for down hole petroleum pumping applications are provided within the form factor of standard API sucker rods, such that existing inventory in suitable condition is fully usable in more demanding applications. The pin ends are selected or p... | 09/19/2006 |
| 7107768 | Hydraulic system The present invention relates to a hydraulic system, in particular for motor vehicles, including a master cylinder having a housing, a piston which is axially movably disposed therein, which bounds a pressure chamber filled with a hydraulic fluid, and which, upon ac... | 09/19/2006 |
| 7104345 | Downhole rotatable-shaft connector assembly and method A connector assembly for connecting with a rotatable shaft is provided. The connector assembly includes a mating sleeve threadably coupleable about the shaft and a center sleeve sized and shaped for deployment between the shaft and the mating sleeve. The center slee... | 09/12/2006 |
| 7090261 | Animal watering system with keyed components A watering system for a poultry house comprises a watering line which is suspended from a stabilizing bar by means of a clip. The watering line is comprised of a plurality of pipe segments connected together by a coupling mechanism. The coupling mechanism includes a... | 08/15/2006 |
| 7090256 | Pipe joint A pipe joint provided with a joint main body having a male screw portion and a cap nut screwed on the male screw portion of the joint main body. And, the pipe joint has a C-shaped stop ring having an opening on its periphery. The stop ring, having an inner blade to ... | 08/15/2006 |
| 7090008 | System to connect conduit sections in a subterranean well An apparatus that is usable with a subterranean well includes a latch and an engagement mechanism. The latch is adapted to form a releasable connection between a first conduit section and a second conduit section in response to engagement of an actuator of the latch... | 08/15/2006 |
| 7083120 | Pressurized fluid delivery apparatus A pressurized fluid delivery apparatus such as a pressure washer or sprayer including a pump adapted to provide a pressurized fluid, a conduct fluidly connected with the pump to receive the pressurized fluid from the pump, a fluid accessory fluidly connected with th... | 08/01/2006 |