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| Number | Title | Issue Date |
| 7288303 | Structures of brittle materials and metals A structure 26 of brittle material and metal has brittle materials 24, 25 and a plate-shaped metal piece 21. The plate-shaped metal piece 21 has a clamped portion 22 pressed and clamped with the brittle material and a non-clamped p... | 10/30/2007 |
| 7210505 | Elbow for a conduit An elbow for a dryer exhaust vent conduit. The elbow can have two nestable channel sections, each channel section having a generally C-shaped cross-section, which may be substantially semi-circular. Each channel section has a connection mechanism along at least one ... | 05/01/2007 |
| 7172027 | Expanding tubing A method of expanding tubing downhole comprises providing a section of expandable tubing of a first diameter, and axially compressing the tubing to induce buckling, such that the buckled portion describes a larger second diameter. The resulting diametric expansion m... | 02/06/2007 |
| 7168452 | Covering body for heating pipe A covering body for heating a pipe to be attached to the pipe and to conduct external heat to heat the pipe, including: a surrounding body including at least two parts having a divided shape of a cylindrical body along an axial line of the cylindrical body, the surr... | 01/30/2007 |
| 7168497 | Downhole sealing A method of providing a downhole seal, such as a packer, in a drilled bore between inner tubing and outer tubing comprises: providing an intermediate tubing section defining a seal arrangement for engaging with the inner tubing; and radially plastically deforming th... | 01/30/2007 |
| 7117640 | Radio frequency shielded and acoustically insulated door A door for a RF shielded and acoustically insulated room. The door includes a door panel and door frame adapted to electrically and pivotally contact the door panel. The door panel includes a noise absorbing material and a noise insulating gap disposed between outer... | 10/10/2006 |
| 7118181 | Cutting tool wear sleeves and retention apparatuses Cutting tool assemblies and wear and retention sleeves. The assemblies may include a support block that has a sleeve-receiving hole therethrough and a cutting tool that has an elongated shank. Various configurations of sleeves are disclosed for supporting the elonga... | 10/10/2006 |
| 7085455 | Conduit insert for optical fiber cable A flexible innerduct structure is configured to contain a cable within a conduit. The innerduct structure includes a pair of adjacent strip-shaped layers of flexible material that are joined along their longitudinal edges to define a channel through which the cable ... | 08/01/2006 |
| 7085458 | Fire resistant conduit insert for optical fiber cable A flexible fire resistant innerduct structure is configured to contain a cable within a conduit. The innerduct structure includes a pair of adjacent strip-shaped layers of flexible material that are joined along their longitudinal edges to define a channel through w... | 08/01/2006 |
| 7004257 | Apparatus and methods for separating and joining tubulars in a wellbore The present invention provides methods and apparatus for cutting tubulars in a wellbore. In one aspect of the invention, a cutting tool having radially disposed rolling element cutters is provided for insertion into a wellbore to a predetermined depth where a tubula... | 02/28/2006 |
| 6994633 | Golf swing training apparatus A method and device for golf swing training is disclosed wherein a double pendulum model swing is replicated by defining a point on a golfer's chest about which a golfer's swing rotates and extending therefrom a inelastic flexible strap for attachment to the grip of... | 02/07/2006 |
| 6979025 | Joining of lined pipes A metal pipeline section that has a metal flange at one end is lined with a plastic liner such that some of the liner extends beyond the flange end of the pipeline section. An annular plastic member is electrofusion joined onto the outside of the portion of plastic ... | 12/27/2005 |
| 6976539 | Tubing anchor A method of installing a liner in a drilled bore below a section of bore previously lined with casing comprises the steps of: running a length of liner into the bore such that at least an upper end of the liner is positioned in overlapping relation with at least a l... | 12/20/2005 |
| 6974634 | Metal felt laminates A finished laminate is provided. The laminate includes an imperforate metal layer having a metallic surface, and a metallic felt layer having a first surface attached to the metallic surface and an exposed second surface facing away from the metallic surface. Also p... | 12/13/2005 |
| 6941710 | Columnar jack concealing device The present invention provides a device for concealing and covering a columnar jack for columnar supports and a method of concealing a columnar jack using a columnar jack concealing kit. The device comprises a strap member, a skirt sized and shaped for covering the ... | 09/13/2005 |
| 6920935 | Expandable downhole tubing A tubing coupling method is provided. In one aspect, the method comprises providing a length of expandable tubing and a length of larger diameter non-expanding tubing, connecting an end portion of the expandable tubing to an end portion of the non-expanding tubing, ... | 07/26/2005 |
| 6755218 | Duct wrap securing system A duct to receive duct wrap is provided with a plurality of posts at different locations on and upstanding from the post to protrude through the duct wrap. Wrap retainers fit onto the post over the duct wrap securing the duct wrap on the duct. ... | 06/29/2004 |
| 6670021 | Monolithic ceramic attachment bushing incorporated into a ceramic matrix composite component and related method 12A high temperature gas turbine component includes an inner core made of a monolithic ceramic material embedded within an outer CMC shell. The inner core may be formed with a through hole, blind hole, wear pads and the like. A method of making the bushin... | 12/30/2003 |
| 6626017 | Locking mechanism for air handler (AHU) cabinet A locking mechanism for an air handling duct which includes a plurality of interconnected modules which together made up the duct. The locking mechanism includes a male retainer contained on a frame member of a first module, with the male retainer having ... | 09/30/2003 |
| 6591871 | Low permeation polybutylene terephthalate and polybutylene naphthalate fuel and vapor tubes A tubular structure exhibiting fuel and vapor impermeability properties for use as a fuel transport hose, wherein the hose is constructed of a polyalkylene terephthalate material or a polyalkylene naphthalate material, wherein the polyalkylene terephthala... | 07/15/2003 |
| 6523577 | Insulation system for shafts through which hot gases flow An insulation system for shafts through which hot gases flow, especially exhaust gas shafts of gas turbines has an insulation layer (20, 40) as well as a flat cover (26, 39), which holds the insulation layer (20, 40) and covers it against the gas flow. Th... | 02/25/2003 |
| 6465110 | Metal felt laminate structures A laminate comprises first and second metal layers, and a metallic felt layer disposed between the metal layers and attached to each to provide vibrational damping and thermal insulation. In one embodiment, the layers are tubular in shape and form an auto... | 10/15/2002 |
| 6403180 | Pipe insulation An insulating system for pipes is provided which includes at least two different types of pipe insulation, wherein each pipe insulation is a pipe jacket formed by two mating sections, a first section and a second section with each section having a mating ... | 06/11/2002 |
| 6000420 | Insulating jacket for hot and cold piping systems and method of use An insulating jacket, that is removable and reusable, for insulating a hot or cold fluid distribution system is described. The jacket is made of a plurality of sections which mate and seal together to effectively seal the pipe section and/or fitting from ... | 12/14/1999 |
| 5848617 | Bellows and method for manufacturing the same A tubular hollow molded body is formed with a resin having a bending resistance; the hollow molded body is inserted into a mold; a resin with less stress relaxation is injected into both ends of the hollow molded body through a connecting path to mold a b... | 12/15/1998 |
| 5769127 | Resin pipe A pipe wall has an inner wall cylindrically formed of a soft material of rubber, synthetic rubber or synthetic resin, a rising rib bonded at its base portion onto an outer circumferential surface of the inner wall so as to extend therefrom in an outer cir... | 06/23/1998 |
| 5720319 | Cast in joint of aluminum tailspout and stainless steel exhaust pipe The present invention includes a cast in place aluminum tailspout and a stainless steel exhaust pipe. The stainless steel exhaust pipe includes a flared out portion. The cast in place tailspout includes a section that surrounds at least a portion of the f... | 02/24/1998 |
| 5690147 | Method and apparatus for insulating A heat-insulating assembly (10) for insulating a surface of a tubular body (30) relative to the ambient air comprises a length of an annular heat-insulating body (12, 14) defining an inner cylindrical surface (17) and an outer cylindrical surface (16). A ... | 11/25/1997 |
| 5591940 | Protective sleeve A protective sleeve includes a sleeve body and a cover, each having a generally semi-cylindrical cross-section. The cover includes a groove along its longitudinal edges for receiving a silicone chord sealing gasket. The sleeve body has a short cylindrical... | 01/07/1997 |
| 5573040 | Interlocked plastic-encased concrete pipe A composite concrete pipe in which both the inner and outer surfaces are plastic. The pipe may be formed of any diameter by forming the inner and outer plastic surfaces from helically wrapped interlocking plastic strips to form the diameters desired.... | 11/12/1996 |
| 5441083 | Insulation system for conduit or container wherein inner and outer water-absorbing layers connect through slot in intermediate heat-insulating layer An insulation system for a cold pipe or container includes an inner water-absorbing layer, an intermediate heat-insulating layer defining a slot therethrough, and an outer water-absorbing layer, the inner and outer layers being in contact through the slot... | 08/15/1995 |
| 5437312 | Reinforced insulation blanket Provided in an insulated assembly including a component covered by a reusable, reinforced insulation blanket, and jacketing covering the insulation blanket. The reinforced insulation blanket includes a plurality of jacket support assemblies that are secur... | 08/01/1995 |
| 5431191 | Mechanically interlocked layered tube with controlled flexibility An all plastic (preferably fluorocarbon) automotive hose has great strength relative to the light weight thereof. The hose is made of an inner layer which has a preferably circumferential grooves on an outer wall and an electrically conductive surface on ... | 07/11/1995 |
| 5421724 | Rolls for high temperature roller hearth furnaces Roll designs for roller hearth furnaces operating at temperatures ranging from under 1200° C. to substantially higher are disclosed. A rotary mounted main roll body may be provided with a plurality of spaced tires for contacting and transporting a charge... | 06/06/1995 |
| 5403633 | Conical stacking tube body and method of producing the same A conical hollow tube body of paper or another organic molding material is made by forming a conical hollow tube body member having a narrow end and a wide end, and producing a spacing formation by making at least one dimple on an inside in the area of th... | 04/04/1995 |
| 5374186 | Roll system for roller hearth furnaces for thin slabs A roll system for a roller hearth furnace for thin slab casters is disclosed. The roll system includes a plurality of fluid cooled rolls rotatably mounted in the furnace configured to contact and at least partially support a charge transported along a pas... | 12/20/1994 |
| 5370530 | Rolls for high temperature roller hearth furnaces Roll designs for roller hearth furnaces operating at temperatures ranging from under 1200° C. to substantially higher are disclosed. A rotary mounted main roll body may be provided with a plurality of spaced tires for contacting and transporting a charge... | 12/06/1994 |
| 5318076 | Protective refractory locking mechanism A device for locking refractory insulation members on support elements in a heat treating furnace, boiler or other piping has a first strap end with a ramp and a second strap end with a raised bearing tab. The ramp engages the bearing tab with an interfer... | 06/07/1994 |
| 5134846 | Insulated exhaust cover A cover for insulating exhaust systems of internal combustion engines comprising a tubular shaped layer of insulating material circumscribingly engaging the exhaust system and a flexible metal sleeve for protecting the insulating material and holding the ... | 08/04/1992 |
| 5078182 | Insulated pipe construction An insulated pipe construction avoids deterioration of the refractory due to thermal cycling by supporting the refractory material against the force of gravity without restraining movement of the refractory material due to thermal expansion thereof. Exces... | 01/07/1992 |
