Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7431321 | Trailer hitch assembly A trailer hitch assembly includes a receiver portion including a cylindrically-shaped cavity, a bushing member received within the cavity of the receiver portion, and a hitch member that includes a shaft pivotally received within the bushing member. At least a selec... | 10/07/2008 |
| 7347456 | Sleeve for joining and sealing conduits An apparatus is provided for joining and sealing conduits, includes edge trim, a sleeve, and a retaining element. The edge trim is shaped to mount upon and engage an end of a conduit. The sleeve extends between the conduits and at least partially surrounds the edge ... | 03/25/2008 |
| 7347459 | Coupling for drilling-with-casing operations A modified API Buttress threaded casing connection is disclosed for use in drilling oil and gas wells in lieu of using conventional drill pipe. The coupling threads only are multiple tapered yet can be mated with standard API Buttress pin threads having a single tap... | 03/25/2008 |
| 7246778 | Releasable barb assembly The embodiments provide a barb assembly for use with a cable duct component to oppose removal of a cable duct section from the cable duct component. The barb assembly can comprise a releasable assembly for applying a force to a barb and, responsive to the applicatio... | 07/24/2007 |
| 7226022 | Cable duct coupler A cable duct coupler for coupling a first cable duct section to a second cable duct section without the need for tools, the cable duct coupler comprising a channel portion, a first outer guide element and a second outer guide element, a barb mount extending from at ... | 06/05/2007 |
| 7204520 | Device for joining components made of fusible plastic A device for connecting components (1, 2, 3) made of fusible plastic, especially pipes (12, 60) of a fuel pipeline or a fuel line to a fuel tank (8) of a vehicle. The device includes a heating element (4) having ends (44, 46) which... | 04/17/2007 |
| 7198465 | Fastening arrangement for a split casing A casing of a hydraulic machine such as a gas turbine is formed as a horizontally split type flangeless casing. The flangeless casing consists of an upper casing and a lower casing joined together at joint faces and fastened by fastening bolts. The fastening bolt ha... | 04/03/2007 |
| 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 |
| 7152002 | Method and apparatus for analysis of elements in bulk substance A substance analyzer utilizing Prompt Gamma Neutron Activation Analysis for identifying characteristics of a substance and method of manufacturing the same are disclosed. The analyzer is small enough to be portable and to allow its use in many applications where cur... | 12/19/2006 |
| 7114752 | Slip coupling for pipe A slip coupling. A tube having smooth outer walls is joined to a larger hollow outer casing using a slip coupling assembly. The casing has an interior cavity and a flanged end. An annular seal is placed adjacent the flanged end. A split flange is positioned adjacent... | 10/03/2006 |
| 7080486 | Pass-through firestop device A cast-in-place pass through firestop device for providing a passage in a partition in a structure through which wires, cables, pipes, and the like are run includes a housing having a riser portion with frangible connections that define removable bands that can be r... | 07/25/2006 |
| 7051523 | Exhaust system assemblies employing wire bushings for thermal compensation Exhaust system assemblies employ wire bushings for thermal compensation to minimize noise due to “stick-slip” while the system cools. In a preferred embodiment, the wire bushings are formed of at least one strand of wire coiled about male end portions of pipe se... | 05/30/2006 |
| 7025388 | Method and apparatus for forming leak-proof coupling for beverage distribution system A method and apparatus is provided for forming a leak proof coupling between two thin walled metallic ends in a beverage distribution system. The pipe ends are prepared by cutting the ends and ensuring that the cross-section of the ends are round. An alignment devic... | 04/11/2006 |
| 7001202 | Reusable power cord retaining device A retaining device retains a pair of electrical power cords, one cord having a plug which is joined to a socket of the other cord. The device has first and second receptacles, each with a first open end and a second open end, and an opening extending from the first ... | 02/21/2006 |
| 6976712 | Corrosion-resistant coupling means and methods for using same A coupling couples pipes of pipe fixes, especially polytetrafluoroethylene pipes. Methods for using the coupling are also provided. ... | 12/20/2005 |
| 6848725 | Thermal expansion connection for rigid pipes A thermal expansion connection for rigid pipes in low-pressure applications subject to thermal expansion and shrinkage. The connection is formed between the distal end of a first rigid pipe received within the proximal end of a second rigid pipe. At least one seal i... | 02/01/2005 |
| 6695358 | Controlled leak cryogenic bayonet pipe spool and system A cryogenic fluid piping system is provided with two or more coupled pipe spools, each spool having an inner and outer pipe, the inner for carrying cryogenic fluid. The pipe spools are also configured with a bayonet connection to allow expansion and contr... | 02/24/2004 |
| 6685235 | System and method for attaching tubing An attachment system (601) for maintaining a passageway (603) of a tube (605) in axial alignment with a passageway (607) through a housing (609) includes a spring (611) having an exterior edge (613) and an interior area (615) passing the tube (605). The h... | 02/03/2004 |
| 6643985 | Tubular lead-in fixture A tubular lead-in fixture including an attachment element (3) for a temporary attachment of the lead-in fixture, and an axially extending, radially widening region (8) provided within an embeddable length (L) of the lead-in fixture (1) and limited by spac... | 11/11/2003 |
| 6581978 | Connector tube for a turbine rotor cooling circuit A tubular connector adapted to extend between two tubular components comprising a tubular body having an internal diameter, a first free end including an annular radial flange having a tapered surface adapted to engage a complementary seating surface on a... | 06/24/2003 |
| 6520505 | Method of and a sealing element for sealing a gap A method for sealing a gap (4) between a leadthrough (2) provided in a constructional element (1) and an object (3) extending through the leadthrough (2), the method including placing in the gap (4) a plurality of elongate sealing elements, formed as hot ... | 02/18/2003 |
| 6481757 | Core spray system attachment assemblies A core spray sparger for use in a nuclear reactor pressure vessel. The core spray sparger includes a plurality of core spray lines, a coupling apparatus, a bracket assembly, and an end clamp assembly. The core spray line includes a core spray line end cap... | 11/19/2002 |
| 6477813 | Fire protection sleeve A fire protection sleeve (1) for a pipeline (4), which extends through an opening (2) in a wall (3), is surrounded circumferentially at least partly by intumescing material (10) contained in a fire-resistant folded fabric tube (5). The fabric tube (5) for... | 11/12/2002 |
| 6471478 | Axial seal system for a gas turbine steam-cooled rotor An axial seal assembly is provided at the interface between adjacent wheels and spacers of a gas turbine rotor and disposed about tubes passing through openings in the rotor adjacent the rotor rim and carrying a thermal medium. Each seal assembly includes... | 10/29/2002 |
| 6422610 | Deformable fluid supply line A deformable fluid supply line for use on a semiconductor fabrication machine is described which includes a generally S-shaped expandable joint connecting between two straight conduit sections for providing full communication thereinbetween and for provid... | 07/23/2002 |
| 6227575 | Apparatus for the connection of line sections In order, in a particularly simple way, to allow multiple separation and connection of line sections of a line, through which a hot and highly compressed medium flows, in particular a pipeline, through which steam flows, there is provided a double-walled ... | 05/08/2001 |
| 6173996 | Compliant joint with a coupling member for interfacing dissimilar metals in X-ray tubes A method is used for interfacing materials of dissimilar thermal expansion in an X-ray tube. Initially, a first joint is identified, which has a first component to be received into a second component. Typically, the first component has a higher coefficien... | 01/16/2001 |
| 6065756 | Flex seal for gas turbine expansion joints An expansion joint seal between a gas turbine exhaust duct and an axially adjacent exhaust ductwork comprising plural layers of axially adjacent layers of flexible seal plates, each layer comprising a plurality of arcuate segments which together form a 36... | 05/23/2000 |
| 6022052 | Quartz tank for wet semiconductor wafer processing A quartz tank for wet semiconductor wafer processing includes one or more ports extending through the tank for the exchange of fluids with the tank. The openings may be aligned with a T-shaped quartz stem having an enlarged end retained on the interior si... | 02/08/2000 |
| 5957768 | Exhaust gas interface An exhaust gas diffuser interface includes a stainless steel shell with varying levels of insulation. The varying levels of insulation concentrate thermal expansion and contraction at the turbine outlet end allowing it to be connected to the outlet by way... | 09/28/1999 |
| 5947529 | Core spray line coupling apparatus Coupling apparatus for replacing a core spray line downcomer pipe coupled to a shroud T-box are described. In one embodiment, the coupling apparatus includes a seal ring, a mating flange, a housing having at least one wedge pocket, at least one coupling b... | 09/07/1999 |
| 5941070 | Flexible sealed conduit system A fluid conduit system, including silencer systems, including intake and exhaust systems for engines, blowers, compressors, pumps, and the like, includes first (16), second (22), and third (28) pipes, and first (34, 36) and second (38, 40) flex joints eac... | 08/24/1999 |
| 5935434 | In-line pipe coupling and fluid strainer apparatus A strainer apparatus capable of being installed within an Acme type coupling of the kind used in a pipe connecting a transport gas tank to a gas storage tank comprises a perforated disc and a retainer ring. The outer surface of the retainer ring has a smo... | 08/10/1999 |
| 5918911 | Replacement and repair of nozzles for pressure vessels For nozzle replacement, repair and initial installation in ASME pressure vessels, disclosed are nozzles, nozzle assemblies and nozzle repair assemblies, all of which are mechanically attached and mechanically sealed to the vessel, i.e., without any weldin... | 07/06/1999 |
| 5853198 | Thermal attachment device A mechanical coupling device for selectively connecting and disconnecting an apparatus to a thermal source. The coupling device includes a thermal bridge element comprised of a flexible structure having a first coefficient of thermal expansion, and a ther... | 12/29/1998 |
| 5839277 | Exhaust device for an internal combustion engine An exhaust device for an internal combustion engine with an exhaust pipe having a two pipe structure arranged such that the outer pipe and the inner pipe touch each other, the inner pipe being divided into first and second inner pipe sections at a locatio... | 11/24/1998 |
| 5775668 | Connecting yoke apparatus A connecting yoke apparatus is disclosed for attachment to a valve of a compressed gas cylinder. The apparatus includes a yoke member having a first and a second end, the yoke member defining an opening for the reception therein of the valve. A connection... | 07/07/1998 |
| 5732983 | Thermal expansion-absorbing structure for pipe arrangement A thermal expansion-absorbing structure for piping, which is attached to a pipe end, is provided. A semicircular form of torus shell is joined to a cylindrical form of short double pipe to define together a U-shaped longitudinal section, which is deformed... | 03/31/1998 |
| 5716158 | Expandable belt type expansion joint A novel S-shape web section in a dog bone style expansion joint belt, having a very significant increase in the ability to define a successful seal even in misaligned or otherwise off-specification expansion joint environments. The web section has the pot... | 02/10/1998 |
| 5675873 | Clamping ring with slanted clamping surfaces for securing flanged components to each other Two components such as pipes having radial end flanges with conical flange clamping surfaces are clamped together by a clamping ring having at least two ring sections with conical ring clamping surfaces engaging said conical flange clamping surfaces when ... | 10/14/1997 |
