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| Number | Title | Issue Date |
| 4509558 | Flexible hose A flexible hose comprising a main fluid retaining carcass and a secondary carcass enclosing at least part of the main carcass, said secondary carcass being constructed to expand radially relative to said main carcass on leakage of fluid from said main car... | 04/09/1985 |
| 4509447 | Helical seamed structural vessel and method of forming same A double-wall structural vessel includes an inner tubular liner and an outer tubular shell surrounding the liner in spaced relation, both the liner and the shell comprising helically curved strips of material, and a continuous and helically curved spacer/... | 04/09/1985 |
| 4508182 | Method and apparatus for controlling azimuthal drift of a drill bit A method of and apparatus for controlling the azimuthal drift of a drill bit in an inclined well bore is described. The method comprises prestressing a drill collar member in torsion to adjust the angle in the horizontal plant that the drill bit makes wit... | 04/02/1985 |
| 4501302 | Air gap pipe An air gap pipe and a method for forming the same are provided. This air gap pipe includes a non-linear outer pipe and an inner pipe of identical configuration disposed concentrically within the outer pipe. The inner pipe is supported by resilient dimples... | 02/26/1985 |
| 4492090 | Cryostat for NMR magnet A cryostat which is particularly useful for containing superconducting windings for a magnet to provide high strength magnetic fields for NMR imaging comprises a set of nested annular vessels in a suspension system which permits transport of the cryostat ... | 01/08/1985 |
| 4491297 | Three way coupling An adapter or coupling is joined up with a flexible pipe made up of three pipes nested in each other whose end furthest from the coupling is joined up with an air-powered grinding tool or machine for clearing dust therefrom by aspiration. Furthermore the ... | 01/01/1985 |
| 4487660 | Multiple wall structure for flexible cable using tubular and spiral corrugations The central conductor of a gas-insulated flexible cable consists of separate concentric tubes which are alternately spirally corrugated and annularly corrugated so that the corrugations will not nest relative to one another and are axially movable relativ... | 12/11/1984 |
| 4467610 | Gas turbine fuel system A gas turbine engine is provided with an improved fuel system that features a fuel manifold with a primary and secondary fuel flowpath circumventing a combustor section of the engine. The manifold is formed with a double-walled construction for the purpos... | 08/28/1984 |
| 4467863 | Flue gas duct assembly A length of longitudinally extending duct assembly for heated corrosive gases includes an outer support duct and a substantially gas-tight liner. The liner is spaced from the outer support duct by a relatively yielding spacer material that accommodates ex... | 08/28/1984 |
| 4465896 | Filamentary tensioned insulating support for a high voltage conductor and method of making same A gas insulated transmission line includes a hollow outer conductor having an inner conductor and a support framework disposed therein. A tensioned insulating member is utilized to support the inner conductor within the outer conductor and the support fra... | 08/14/1984 |
| 4461347 | Heat exchange assembly for ultra-pure water A heat exchange assembly for raising a process fluid, such as ultra-pure, de-ionized water, to an elevated temperature without adversely affecting the quality thereof includes coaxially-arranged inner and outer pipes, the annular space therebetween defini... | 07/24/1984 |
| 4461743 | Oxygen injection nozzle for wet oxidation reactors An apparatus for injecting a mixture of pure oxygen or oxygen-enriched air (at least 25 percent oxygen) and purge water into a wet oxidation reactor operating at elevated temperature and pressure. An annular space between the oxygen carrying pipe and a se... | 07/24/1984 |
| 4456058 | Heat exchanger tube support The present invention relates to a heat exchanger tube support for supporting a plurality of heat exchanger tubes in a conduit of a heat exchanger. The heat exchanger tube support includes three identical elements each having a flattened W-shaped configur... | 06/26/1984 |
| 4451966 | Heat transfer tube assembly A heat transfer tube assembly comprising a pair of fluid circulation tubes disposed co-axially one within the other, the inner tube being held substantially concentric within the outer tube by a plurality of pairs of diametrally opposed depressions or dim... | 06/05/1984 |
| 4449853 | Flexible sleeve elbow for gas service lines A method of installing a gas service line in a building or the like is described, in which a flexible sleeve elbow unit is snaked through a small hole in the building ground slab, downwardly through a narrow passage dug out from the earthen fill beneath t... | 05/22/1984 |
| 4441313 | Mounting devices for multiple flow turbojet engines A mounting device for mounting the exhaust casing of a turbojet engine on a rigid support structure connected with an aircraft, there being at least two flows, i.e., a primary flow in the exhaust casing and a secondary flow in a shroud which surrounds the... | 04/10/1984 |
| 4440195 | Plastic tube with longitudinal channels in the wall Tube of thermoplastic material, comprising longitudinal channels of rounded cross section and having such wall stresses that, after axially cutting the tube, the edge parts beside the cut edges overlap each other for less than 5% of the outer circumferenc... | 04/03/1984 |
| 4436119 | Thermal acoustical pipe insulation A system for insulating and isolating a pipe, thermally and acoustically, from its outer metallic cover or lagging, with the system consisting of a pipe jacket providing an external cover or lagging, an inner body of insulation such as fiberglass or the l... | 03/13/1984 |
| 4431469 | Electrical connection insulator and method of covering an electrical connection therewith An electrical connection insulator comprising an outer tube formed from a mono-layered film of a non-adhesive, heat stable, dielectric, synthetic, polymeric resin enclosing an inner tube formed from a mono-layered film of a non-adhesive, heat shrinkable, ... | 02/14/1984 |
| 4429654 | Helical seam structural vessel, method and apparatus of forming same A structural vessel includes helically curved inner and outer spaced strips of material each having a plurality of helical turns, with contiguous edges of each two successive turns of the inner and outer strips being seamed together, and a helically curve... | 02/07/1984 |
| 4428108 | Method of forming encapsulated depleted uranium oil field tubular member The present invention describes an encapsulated depleted uranium metal oil field tubular member. The member includes a tubular shell containing bodies of a depleted uranium metal. Substantially all of the volume within the shell not occupied by the bodies... | 01/31/1984 |
| 4425758 | Maintaining hydrostatic system control pressure A hydrostatic transmission (10) includes a variable displacement pump (12) for driving a fluid motor (14) in first and second directions. First and second high pressure conduits (20,22) connects the pump (12) and motor (14) in a continuous fluid circuit. ... | 01/17/1984 |
| 4413657 | Exhaust pipe with vibration damping From the exhaust tube of automobiles the power source sounds and travelling sounds are radiated as noises. A heat-resistant intermediate layer is disposed partly around the inner tube of dual metal tubing and achieves decreases in the radiated noise from ... | 11/08/1983 |
| 4413733 | Pipe nesting device A device for holding nested bell and plain end push on joint pipes in a fixed position utilizing a novel frame work of simple members fastened firmly together. The inner pipe may be held concentrically or eccentrically with respect to the outer pipe. Padd... | 11/08/1983 |
| 4410013 | Composite dual tubing A steel tubing and more particularly a composite dual tubing which can be suitably used for an exhaust pipe capable of effectively reducing the radiated noise from the exhaust pipe of automobiles. A metallic dual tubing of the present invention comprises:... | 10/18/1983 |
| 4398567 | Conduit device A device for conducting a fluid in heat transfer relationship with another liquid comprises a conduit through which the fluid flows to be heated or cooled by the other fluid flowing around the conduit. An elongated, thread like element helically extends a... | 08/16/1983 |
| 4397304 | Solar sensor equipped with solar energy absorbing member and panel having such sensors The invention relates to a sensor equipped with a member which selectively absorbs solar energy. This member is constituted by two sheets of a rigid material serving as a support for a layer of material which is sensitive to solar radiation, the two sheet... | 08/09/1983 |
| 4394531 | Transmission line assembly including means for reducing vibrations and method of making same A transmission line assembly including a mechanism for reducing vibrations and a method of making the same is provided which includes an outer tubular sheath having an inner surface forming an inner diameter, an inner tubular wall member firmly frictional... | 07/19/1983 |
| 4385021 | Method for making air hose bundles for gun arrays A method is disclosed for structuring a plurality of supply and control conduits having a length substantially greater than its cross sectional width wherein the control conduits for each supply conduit are segregated and covered. The segregated and cover... | 05/24/1983 |
| 4377545 | Method of making corrugated reinforced thermoplastic pipe Disclosed is a method of making corrugated reinforced thermoplastic pipe having interior and exterior tubes with corrugations therebetween, comprising extruding through a pipe forming die, the interior and exterior tubes of a pipe at one linear rate while... | 03/22/1983 |
| 4367769 | Safety connector for flexible tube device A flexible tubular assembly having an outer tube and located therein an inner tube. One end of the inner tube is in communication with the locale of the nasal passages of a patient. The other end of the inner tube is provided with the safety connector at ... | 01/11/1983 |
| 4354657 | Supports for coaxial conduits Supports for coaxial conduits are disclosed particularly suitable for supporting, on an inner nozzle or conduit protruding from an existing reactor wall, a nozzle sleeve which is to be held in concentric relation to the inner nozzle so that concrete may b... | 10/19/1982 |
| 4349049 | Hydraulic safety hose A hydraulic safety hose apparatus is disclosed, which includes a pressurized fluid source for producing hydraulic fluid pressure in the apparatus, a hydraulic safety hose, and a hydraulic pump. The hydraulic safety hose is composed of inner and outer hose... | 09/14/1982 |
| 4346660 | Self-supporting incinerator and expandable shield therefor An improved, self-supporting incinerator having a combustion chamber for burning sulfur containing compounds therein and adapted to eliminate plume formation resulting from the combustion of such compounds. The incinerator includes a vertically disposed h... | 08/31/1982 |
| 4344461 | Pipe part with socket provided with longitudinally extending channels Pipe part with socket being provided with longitudinally extending channels, said channels also extending in the wall of the socket, said socket being provided with an annular groove, formed by sealingly pressing the walls of the channels onto each other,... | 08/17/1982 |
| 4343298 | Collector for solar boiler with linear concentration In a collector for solar boiler with linear concentration, comprising a pick-up tube through which a heat-transfer fluid passes and disposed in a supporting structure, said supporting structure is constituted by a section in omega form, with a wide openin... | 08/10/1982 |
| 4343844 | Shrinkable sleeve adapted for cable and tubing gas flow blocking A compact one-piece shrinkable sleeve of minimal outside diameter made from either a resilient material or a heat shrinkable material having elastic memory and adapted to be secured to the end of an electrical cable and/or tubing bundle having one or more... | 08/10/1982 |
| 4333223 | Shielding cylinder and method of manufacture A shielding cylinder includes an inner cylinder and an outer cylinder of sheet metal. Axial ducts and annular ducts are arranged between the two cylinders to provide flow paths for a cooling fluid. The outer cylinder can be reinforced by one or more perip... | 06/08/1982 |
| 4326503 | Turbulent solar collector A solar collector of the tubular type comprising a solar energy transmissive outer tube encircling a solar energy converter inner tube disposed for having a flow of fluid directed longitudinally through it. The outer and inner tubes have respective opposi... | 04/27/1982 |
| 4315408 | Offshore liquified gas transfer system A hose assembly is described for use in the transference of cooled liquified gas to a vessel, in a system that requires the flexible hose to lie in the water. The hose assembly includes a flexible inner hose forming a central passage through which liquifi... | 02/16/1982 |
