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| Number | Title | Issue Date |
| 8047238 | Cured in place pipe liner A liner for repairing damaged pipes, such as underground sewer or gas pipes is disclosed. The liner comprises a TPU coating on a fibrous mat of non-woven fabric. The TPU coating is a high heat resistance polyester TPU which allows an epoxy resin/amine to be saturate... | 11/01/2011 |
| 7434599 | Hose and method of producing the same A hose and a method of producing the same. The hose includes a tubular resin inner layer, a metal plating layer formed on an outer peripheral surface of the resin inner layer, and a resin outer layer formed on an outer peripheral surface of the metal plating layer, ... | 10/14/2008 |
| 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 |
| 7381454 | Tubular product A tubular product has a tubular base layer, a tubular innermost layer made of plastic by continuous extrusion, and a tubular tie layer of foamed plastic between and adhered to the base layer and the innermost layer. The tie layer is made of melt processable adhesion... | 06/03/2008 |
| 7363945 | Low chamfer angled torque tube end fitting with elongated overflow groove A method of forming a torque-transmitting coupling (193) includes forming at least one fitting (192) having a tube conforming area (200). The forming area (200) includes a material overflow groove (194) and multiple flat surfaces (... | 04/29/2008 |
| 7357968 | Reinforced, high pressure, low permeation multilayer hose A reinforced, high pressure hose is disclosed for use in the transport of high pressure fluids. The hose includes a multilayered inner tube capable of prolonged exposure to fluids such as those containing hydrocarbons, and a reinforcement layer overlaying the inner ... | 04/15/2008 |
| 7320341 | Protective liner for slurry pipelines A pipe comprises an outer surface and an inner surface, where the inner surface includes an abrasion resistant material layer covering a substantial portion thereof. An adhesive layer affixes the abrasion resistant material layer to the inner surface. The abrasion r... | 01/22/2008 |
| 7291401 | Non-hexavalent-chromium type corrosion resistant coating film structure having a resin layer and a metal layer that is superior in terms of adhesion to the resin layer A steel material that has on its surface a non-hexavalent-chromium type corrosion-resistant coating film formed by a composite of a metal layer and a resin layer. The steel material having or not having a copper layer is formed with 1) a Zn and/or Zn-based alloy lay... | 11/06/2007 |
| 7268562 | Low cost detectible pipe and electric fencing manufactured from conductive loaded resin-based materials Detectable pipe and electric fence are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers in a base re... | 09/11/2007 |
| 7223455 | Duct board with water repellant mat A duct board or duct liner comprises: an insulating layer formed from fibrous material bound with a resin binder, an outer facing layer adhered to an outer surface of the insulating layer, and a water repellant mat facing adhered to an interior surface of the insula... | 05/29/2007 |
| 7219699 | Resin-coated steel pipe excellent in mechanical strength such as sliding property A resin-coated steel pipe is provided having excellent mechanical strength and sliding properties. A double coated structure is formed that extends in the pipe's axial direction and has substantially the same cross section. The structure has a thin steel pipe. Attac... | 05/22/2007 |
| 7220470 | Moisture repellent air duct products Water-resistant fibrous air duct insulation products and methods for making such products. The products may include a duct board or a duct tube including a first layer of resin-bonded fibrous mat having a second layer of durable, preferably non-woven, facing materia... | 05/22/2007 |
| 7217441 | Methods for coating pipe comprising using cement compositions comprising high tensile strength fibers and/or a multi-purpose cement additive Among the methods provided is a method of coating the interior of a pipe comprising: providing a pipe having an interior surface; providing a cement composition comprising a cement component and high tensile strength fibers and/or a multi-purpose cement additive; co... | 05/15/2007 |
| 7194804 | Method of forming a hydroform A reinforced hydroform member having an outer structural member reinforced by a structural foam supported by the outer structural member. The structural foam extends along at least a portion of the length of the outer structural member. The structural foam is a heat... | 03/27/2007 |
| 7105216 | Conductive resin coated steel pipe and extrusion molding method for the steel pipe A conductive resin coated steel pipe and an extrusion molding method for the steel pipe capable of using filler instead of carbon black and not only lowering a production cost but also further increasing an attractiveness; the resin coated steel pipe, wherein a rege... | 09/12/2006 |
| 7096890 | Inversion liner and liner components for conduits Inversion liners are provided which in a first embodiment include first and second flexible fabric layers separated by one or more glass fiber containing layers and joined in tubular form. The second flexible fabric layer further is bonded to a third flexible fabric... | 08/29/2006 |
| 7059355 | Pipe for water pipe and the like The water pipe includes a pipe body which is used as a water pipe, supply-pipe, drainage pipe, including a mixed layer, provided at an inner surface of the pipe body, the mixed layer including a mortar layer and a resin layer and being mixed into a mixture which inc... | 06/13/2006 |
| 7055553 | Laminated hose construction having one or more intermediate metal barrier layers A laminated fluid transfer hose construction having one or more intermediate metal barrier layers is provided, as well as, a hose assembly employing the laminated hose construction and coupling means. The inventive hose construction demonstrates improved barrier pro... | 06/06/2006 |
| 7037557 | Ceramic coating process for pre-insulated piping A high temperature pre-insulated pipe system is shown which can withstand conveyance temperatures in excess of 250° F. The pipe system includes a first and second length of insulated and jacketed pipe. Each pipe length includes an inner metal pipe having an interio... | 05/02/2006 |
| 6994117 | Piping elbow liners Liners useful as piping elbow liners comprising a body liner, a tangential inlet liner, and a tangential outlet liner. The tangential inlet liner and the tangential outlet liner can be removably inserted into a cavity in the body liner. The body liner can comprise t... | 02/07/2006 |
| 6986366 | Tube for the electrostatic coating of workpieces For the pig delivery of the coating material at high voltage in a system for electrostatic mass-production coating of workpieces in the vicinity of grounded parts of the system, a multi-layer tube is provided, whose innermost layer forms the piggable inner wall, whi... | 01/17/2006 |
| 6986367 | Faced mineral fiber insulation board with integral glass fabric layer A method of insulating ducts is described including laminating a reinforcement fabric to a fibrous insulation board, lifting at least a portion of the reinforcement fabric from the fibrous insulation board, applying a first layer of a mastic coating to the fibrous i... | 01/17/2006 |
| 6984457 | Titanium material, production thereof, and exhaust pipe (1) A titanium material composed of a substrate of pure titanium or titanium alloy and an aluminum-containing layer formed thereon having a thickness no smaller than 1 μm and containing no less than 90 mass % aluminum or aluminum plus silicon. (2) A titanium materi... | 01/10/2006 |
| 6976510 | Corrosion resistant metal tube and process for making the same A corrosion resistant multi-layer tube comprises a metal tube; a zinc layer bonded to the metal tube outer surface; a surface treatment layer bonded to the zinc layer; a priming layer; a first polymeric layer bonded to the priming layer; a second polymeric layer bon... | 12/20/2005 |
| 6972145 | Semipermeable coating for building materials The present invention provides coating materials (14), insulation-containing building material products bearing the materials and methods for applying the coatings to the building material products. The coating materials (14) possess one-way “breatha... | 12/06/2005 |
| 6960379 | Cementitious compositions and their use in corrosion protection A cementitious composition (1) which, in the hardened state, acts as a low leaching coating in low alkalinity and low hardness waters. The composition comprises at least one cement and a highly reactive pozzolan. The cementitious composition can be applied to... | 11/01/2005 |
| 6960388 | Electrical distribution system components with fire resistant insulative coating Aqueous coating compositions containing a film-forming polymer, at least one flame retardant or smoke suppressant, glass or ceramic microballoons, and expandable flake graphite may be applied to building components pre- or post-installation, and provide a flexible a... | 11/01/2005 |
| 6959736 | Multilayer pipe and method for manufacturing one A multilayer pipe which comprises at least an inner layer and an outer layer. The inner layer is made of extrudable plastic, such as polyethylene PE, cross-linked polyethylene PEX or polypropylene PP. The outer layer forms a fire-protecting layer and the matrix plas... | 11/01/2005 |
| 6953060 | Substrate with external member An apparatus comprising: (a) a substrate including a level intermediate region disposed between a first end region and a second end region; (b) a first external member disposed circumferentially around the first en... | 10/11/2005 |
| 6953062 | Fuel tank or fuel pipe excellent in corrosion resistance and method for producing the same The present invention provides a fuel tank or a fuel pipe excellent particularly in the corrosion resistance of the outer surface in a salt damage environment, and is a fuel tank or a fuel pipe excellent in corrosion resistance characterized by: being formed by usin... | 10/11/2005 |
| 6932118 | Low chamfer angled torque tube end fitting metal A method of forming a torque tube (64) is provided. The method includes forming a fitting (80) having an elongated tube conforming area (88). The conforming area (88) includes chamfer areas (82) having upper surfaces (90), l... | 08/23/2005 |
| 6915820 | Automotive fluid tubing, especially for fuel and hydraulic fluid An automotive fluid tubing, especially for gasoline, diesel fuel or hydraulic fluid, and composed of metal can be provided with a tube coating of aluminum and then a polyamide 12 layer which is extruded onto the aluminum coating. The polyamide extruded layer greatly... | 07/12/2005 |
| 6913043 | Polyamide-based composition for flexible pipes containing oil or gas A composition comprising by weight: 70 to 96% of at least one polyamide chosen from PA-11, PA-12, aliphatic polyamides resulting from the condensation of an aliphatic diamine having from 6 to 12 carbon atoms and an aliphatic diacid... | 07/05/2005 |
| 6910507 | Pipes containing heat insulating material The invention concerns the use of a material comprising at least a crosslinkable elastomer selected from the group consisting of butyl rubber, halobutyls and brominated isobutylene and para-methylstyrene copolymers, and at least a non-crosslinkable elastomer with lo... | 06/28/2005 |
| 6904940 | Polyethylene pipe Multi-layered pipe comprising a main layer of polyethylene compound having a resistance to stress cracking NPT measured according to ISO 13479 standard of less than 8000 hours and an internal layer of polyethylene compound having a resistance to stress cracking NPT ... | 06/14/2005 |
| 6901968 | Fluid conduit The present invention relates to a fluid conduit, and to a multi-conduit umbilical for use in the transportation of chemicals with small molecular size and shape e.g. methanol ethanol and other hydrocarbon fluids used in the oil industry. The conduit comprises a fle... | 06/07/2005 |
| 6899141 | Rehabilitation of water supply pipes A water supply pipe has a tubular liner of a polyolefin elastomer/plastomer installed therein. The polyolefin elastomer/plastomer includes a substantially linear ethylene inter-polymer with a narrow molecular weight distribution from 1.8 to 2.2. ... | 05/31/2005 |
| 6854487 | Fluid conduit wall inhibiting heat transfer and method for making A fluid conduit wall enclosing a hollow interior for the flow of fluid includes an outer surface provided with a low emissivity coating having a coating emissivity of less than 0.2 and a thickness at least sufficient to provide the coating emissivity. One embodiment... | 02/15/2005 |
| 6843277 | Duct and electronic apparatus having the duct The invention provides a duct with high sound absorbing effect and sufficient exhausting efficiency, as well as an electronic apparatus having the duct. The duct can include a hollow duct body, an inflated section arranged at an intermediate part of a passage of the... | 01/18/2005 |
| 6837273 | Inversion liner and liner components for conduits Inversion liners are provided which in a first embodiment include first and second flexible fabric layers joined to first and second glass fiber containing layers and joined in tubular form, whereby the first and second flexible fabric layers face one another. The s... | 01/04/2005 |
