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| Number | Title | Issue Date |
| 7322381 | Intake duct A duct main body is formed into a hollow tubular shape having in an interior thereof an intake passageway for introducing outside air into an internal combustion engine by connecting integrally a plurality of divided bodies such as a first divided body and a second ... | 01/29/2008 |
| 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 |
| 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 |
| 7171988 | Tubing for hydrostatic forming, hydrostatic forming apparatus, and hydrostatic forming method using the apparatus A tubing including an overlap portion formed by the first and second circumferential end portions overlapping and joined with each other, and a fluid leakage preventing member for preventing pressurized fluid from leaking from the tubing upon the tubing being subjec... | 02/06/2007 |
| 7168220 | Single piece post cladding element, method of cladding a post and method of forming a cladding element A post cladding element is provided including a one-piece elongated tubular flexible body having a continuous seam closure formed along the body and defined at first and second opposing longitudinal edges of the flexible body, whereby a post may be clad by flexing t... | 01/30/2007 |
| 7163030 | Rectangular and square double wall ducting systems A duct structure (510), includes lengths of double wall square/rectangular duct (532) manufactured by pre-forming the duct in round cross-section (51) and then transforming the round cross-section into square and rectangular cross-sections utili... | 01/16/2007 |
| 7155874 | Tubular structure and modular building assembly using the same This invention relates to an elongated hollow non-deformable structure that can be used as beams and pillars of modular building structures. The structure includes first and second elongated C-shaped channels (20) with inwardly bent flanges (25) and me... | 01/02/2007 |
| 7104104 | Rectangular and square ducting systems A duct structure (50), includes lengths of square/rectangular duct (52) manufactured by pre-forming the duct in round cross-section (51) and then transforming the round cross-section into square and rectangular cross-sections utilizing expandabl... | 09/12/2006 |
| 7104068 | Turbine component with enhanced stagnation prevention and corner heat distribution Aspects of the invention relate to a system for reducing stagnation between substantially adjacent components while providing enhanced heat distribution properties in the corners and edges of the components. Each component is generally hollow and has two walls dispo... | 09/12/2006 |
| 7041898 | Quarter round plastic extruded raceway Cornice Molding raceway including a generally U-shaped base and reversible cover that can be used to expose differently shaped surfaces to allow different design variations for the installer. ... | 05/09/2006 |
| 7010893 | Concrete floor, particularly a temperature concrete floor The present invention is directed to a concrete floor, particularly a temperable concrete floor, containing an upper side and an underside, containing first concrete-free spaces, particularly cavities, that comprise at least one first wall surface, particularly two,... | 03/14/2006 |
| 6996904 | Method for managing cables A method is to be used with a device that is capable of carrying a cable and has a cover with a port. The method includes: (1) arranging the cable in the tray; (2) determining that the port is to be used to connect the cable; and (3) connecting the cable to the port... | 02/14/2006 |
| 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 |
| 6921564 | Insulation module, system and method for installation and manufacture A pre-formed insulation module is disclosed having a part cylinder body. The body includes an unstriated insulation layer formed of a rigid insulating material substantially uniform in composition and density over its cross section. The insulation layer has an inner... | 07/26/2005 |
| 6814106 | Duct joint structure An objective of the present invention is to provide a joint structure of a duct that can be formed easily and comprising features of the joint structure of a novel duct previously filed by the present applicant. A tip end portion of one of two plate members is bent ... | 11/09/2004 |
| 6688382 | Heat exchanger tube A flat, heat exchanger tube formed by rolling metal strip to fold inwardly the lateral edge regions of the strip to provide a tube having parallel, spaced, generally planar upper and lower walls, one of said lateral edge regions being bent to define a lon... | 02/10/2004 |
| 6635322 | Thermally insulating cover structure A thermally insulating cover structure adapted for covering a hot pipe comprises a heat insulation layer (2), a filler layer (3) and a jacket (6), which is provided with drain openings (5). The filler layer comprises a material that is permeable to water.... | 10/21/2003 |
| 6520215 | Tubular bar with integral rolled locking system and method of making same The modular grill for vehicles such as trucks includes an elongated screen of generally rectangular configuration, with the longest dimension extending horizontally and with the screen having inner and outer surfaces. A plurality of vertically spaced elon... | 02/18/2003 |
| 6501026 | Accessory adapted to be attached to a base section of trunking for routing electrical cables An accessory to be attached to a base section of trunking for routing electrical cables is provided with a wall for concealing, inside the trunking, any longitudinal gap beyond an edge of at least one length of cover section. The wall has an effacable pro... | 12/31/2002 |
| 6475625 | Plastic parts joining structure In a structure for joining a first plastic part and a second plastic part, the first plastic part is composed of at least one resin such as polyamide (PA), polybutylene terephthalate (PBT), polyacetal (POM), polyethylene terephthalate (PET), or polyphenyl... | 11/05/2002 |
| 6463961 | Duct hanger and method for hanging duct using hanger A hanger comprises a contact portion that makes surface contact with one face of the duct; a tongue piece as an engagement member that protrudes from the contact portion toward a tip end; a base portion bent continuously with the contact portion and away ... | 10/15/2002 |
| 6227251 | Wire protecting structure A wire protecting structure for connecting the wire to a insulator mounted onto a pole is directed to facilitate reception of the wire therein and to prevent exposure of the wire therefrom. The wire protecting structure includes a tube having a slit which... | 05/08/2001 |
| 6202700 | Self-flushing pipe A drainage pipe for use in a basement waterproofing system is disclosed. The drainage pipe includes a plurality of openings located along its lower sidewalls. The drainage pipe includes a cleaning tube affixed to an interior surface of the drainage pipe. ... | 03/20/2001 |
| 6056021 | Duct joint structure, assembly tool, duct assembly method and hanger A duct joint structure for assembling a duct used for air conditioning or venting equipment, an assembly tool for assembling the joint portion, an assembly method of a duct, and a hanger for the duct with the duct joint structure. A duct joint structure i... | 05/02/2000 |
| 6014988 | Beaded center tube A perforated metal center tube is provided for use within an oil, fuel, or hydraulic filter. The tube is fabricated from a perforated metallic sheet formed into a cylinder in which opposite edges thereof are mutually engaged with one another to form a lon... | 01/18/2000 |
| 5996644 | Duct joint structure, assembly tool, duct assembly method and hanger A duct joint structure for assembling a duct used for air conditioning or venting equipment, an assembly tool for assembling the joint portion, an assembly method of a duct, and a hanger for the duct with the duct joint structure. A duct joint structure i... | 12/07/1999 |
| 5924250 | Sealing arrangement in a bundled tension member for prestressed concrete A sealing arrangement for closing off the areas to be filled with a casting compound of a tension member composed of a bundle of individual elements arranged within a tubular sheathing, for example, a stay cable of a cable-stayed bridge, includes a sealin... | 07/20/1999 |
| 5899239 | Tubular fencing components formed from plastic sheet material Tubular components for use in modular fencing systems are manufactured utilizing die-forming of a flat plastic sheet, rather than by profile extrusion of a tubular form. This approach is made feasible by an aesthetically acceptable and structurally sound ... | 05/04/1999 |
| 5878786 | Otangular fitting family for flat-oval duct systems and method for making same An apparatus for converting a conventional rectangular HVAC duct to a flat oval shaped duct where a conventional rectangular duct fitting is provided with a converting means to convert the opening from rectangular to a flat oval. The converting means is f... | 03/09/1999 |
| 5732747 | Cove molding cover for electrical cables There is provided a cove molding cover for use in routing and protecting electrical cables and cords along the inside corners of buildings. The cove molding cover assembly includes clips which are attached to one or more of the surfaces defining the corne... | 03/31/1998 |
| 5733614 | Arrangement for tightly enclosing a substrate An arrangement for tightly enclosing a substrate with a heat-shrinking plastic sleeve (1), which has thickened sections (2, 3) along its longitudinal edges, has at least two rails (4, 5) pushed on the sleeve (1) after it has been placed around the substra... | 03/31/1998 |
| 5704423 | Flat tube for heat exchanger A flat tube for a heat exchanger is disclosed. The flat tube is produced by assembling a main part made of a folded metal strip defining a flat side, two rounded ends and two side portions with two free edges, as well as a secondary part made of a metal s... | 01/06/1998 |
| 5660008 | Triangular shaped pipe for use in crawl spaces An apertured drainage pipe including a first section being inverted V-shaped and a second section, the second section being substantially flat, the second section having a first turn-up and a second turn-up to receive the first section. The drainage pipe ... | 08/26/1997 |
| 5560397 | Conduit assembly A conduit assembly which has an inner sleeve and outer sleeve which are proportioned to be concentrically mounted, each of which has a longitudinal slot of approximately the same width is disclosed. The conduits are circular, and a detent is provided on t... | 10/01/1996 |
| 5523529 | Snap-fit protective molding assembly for electrical cables and entry tools therefor A protective cover assembly for electrical cables to be extended along a wall or floor surface includes interfitting U-shaped clip members and cover strips having complementary flange portions between their respective sidewalls, and the sidewalls of the c... | 06/04/1996 |
| 5219403 | Plastic self-insulating ductwork system The present invention relates to a system of adjustable preformed ductwork for the conveyance of a fluid. The system uses a distribution box which includes an upper portion having a plurality of walls and a bottom plate. The distribution box may act eithe... | 06/15/1993 |
| 5024198 | Fuel delivery rail assembly A fuel delivery rail assembly for supplying fuel to a plurality of fuel injectors in an engine is provided. The assembly comprises an elongated conduit and a plurality of sockets. The conduit has a four-wall section consisting of a single aluminum wall an... | 06/18/1991 |
| 4878459 | Water heater construction A water heater construction and method for commercial and residential use includes a generally cylindrical inner water tank surrounded by a layer of insulation. The third component in the assembly is an outer shell which is configured as a hinged combinat... | 11/07/1989 |
| 4851298 | Multi-layer tube of a muffler for an internal combustion engine A tube of a muffler for an internal combustion engine includes at least two generally rectangular sheets which are joined together at one end by crimping and wound in a tubular configuration to constitute two consecutive layers. In the tubular configurati... | 07/25/1989 |
| 4793544 | Method of producing a multi-layer tube of a muffler A tube of a muffler for an internal combustion engine includes at least two generally rectangular sheets which are jointed together at one end by crimping and wound in a tubular configuration to constitute two consecutive layers. In the tubular configurat... | 12/27/1988 |
