Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 8156711 | Contact stiffeners for structural skins An internal stiffening member of varying configurations in which the stiffening elements support the skin using a compression-only load path is disclosed. In the preferred embodiment, the stiffening element has a peripheral edge that is adapted to be press fit into ... | 04/17/2012 |
| 7669384 | Extruded hollow aluminum alloy panel and method for producing the same An extruded hollow aluminum alloy panel includes a panel body and a guide rail that are integrally formed by extrusion so as to extend in an extrusion direction. The panel body has a plurality of closed spaces defined between plates by ribs in a cross section perpen... | 03/02/2010 |
| 7416769 | Friction stir welding member This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantiall... | 08/26/2008 |
| 7412807 | Cabinet dryer door with truss and method of use A cabinet dryer door includes a truss attached to the door to establish seal compression for adequate sealing of the door against the drying cabinet. The inner door has spacers molded into the inner door. The truss cooperates with the spacers to bias the door agains... | 08/19/2008 |
| 7393577 | Fiber reinforced composite cores and panels A fiber reinforced core panel is formed from strips of plastics foam helically wound with layers of rovings to form webs which may extend in a wave pattern or may intersect transverse webs. Hollow tubes may replace foam strips. Axial rovings cooperate with overlying... | 07/01/2008 |
| 7343715 | Sound-proof wall made of FRP, and method of producing the same A sound-proof wall made of FRP in the form of a sound-proof wall panel that includes a core and skin members made of FRP positioned on both sides of the core and whose weight per nit area is within the range of 10-60 kg/m2; and a method of producing the s... | 03/18/2008 |
| 7318873 | Structurally reinforced members There is disclosed a reinforcement material for forming reinforced members. The reinforcement material includes a strengthening material which is preferably a fabric disposed at least partially between portions of matrix material. ... | 01/15/2008 |
| 7305799 | Bearing brace apparatus A brace apparatus having a core member adapted to absorb energy by undergoing plastic deformation and a buckling restraining assembly that maintains the structural integrity of the brace apparatus once the core member has undergone plastic deformation. A core member... | 12/11/2007 |
| 7288326 | Active energy absorbing cellular metals and method of manufacturing and using the same Multifunctional cellular metals (or other materials) for structural applications that are capable of recovering their original (undeformed) shape and thickness after impact or crushing (i.e., self-healing). Alternatively, they may normally be stored or used in their... | 10/30/2007 |
| 7281809 | Open lattice mirror structure and method of making same A method of making a mirror structure includes assembling a supporting isogrid framework, assembling an isogrid back plane, interconnecting the supporting isogrid framework with the isogrid back plane by a truss core, and disposing an optical surface on the supporti... | 10/16/2007 |
| 7250124 | Structural reinforcement article and process for preparation thereof The invention is a process for the preparation of article comprising placing a film on each inner surface of each part of a two part mold; placing an article in the mold with film located between the surface of the mold and the article such that there is a small spa... | 07/31/2007 |
| 7188455 | Roofing element A roofing element comprises a structural box of concrete and an insulating layer extending inside the structural box. ... | 03/13/2007 |
| 7143564 | Reinforced fiber panel and method of forming same The present invention is directed to a reinforced panel that includes a face sheet having an interior side and an exterior side, a plurality of integral and intersecting ribs having distal ends and projecting from the interior side of the face sheet to form contiguo... | 12/05/2006 |
| 7108315 | Support frame for container trailer A frame assembly for a container trailer includes a longitudinal component having a plurality of locating constructions. The frame assembly also includes a plurality of cross-members, each of which includes a locating construction for mating with a locating construc... | 09/19/2006 |
| 7097794 | Vehicular structural members and method of making the members The present invention is an article comprising a shaped rigid foam part; a heat activated foamable adhesive applied directly to at least a portion of the outer surface of the shaped foam part and an integral locating means. A second aspect of the invention is a meth... | 08/29/2006 |
| 7084210 | Heat activated epoxy adhesive and use in a structural foam insert An expandable adhesive for a structural foam insert useful for vehicular reinforcement is described. The adhesive is characterized by containing a viscosity enhancing agent such as a polymethylmethacrylate, which results in a cured adhesive having unusually small vo... | 08/01/2006 |
| 7041355 | Structural reinforcement parts for automotive assembly The present invention is a structural reinforcement part for use in automobile assembly comprising a molded shell substantially filled with a structural filler material and an expandable adhesive in contact with the exterior of the molded shell; wherein the structur... | 05/09/2006 |
| 6966481 | Friction stir welding method This invention provides a configuration of a joint that allows a satisfactory welded joint to be formed with reduced deformation of the joint region when two-face structures (panels) are friction-welded end to end. The panels 31, 32 each have two substantiall... | 11/22/2005 |
| 6877286 | Insulative window covering A thermal window insert includes at least two substantially parallel, substantially transparent sheets of flexible polymer material having a gap therebetween. The two sheets are bonded together at deformations formed in at least one of the sheets, and have a size ap... | 04/12/2005 |
| 6740381 | Fiber reinforced composite cores and panels A fiber reinforced core is formed from plastics foam material having elongated porous and fibrous webs and/or rovings extending through the foam material. The rovings may extend angularly through the webs, and strips of the foam material may be helically wound with ... | 05/25/2004 |
| 6698157 | Structural insulated panel building system A building system includes structural insulated panels having an inner insulating core such as of foam plastic or agri-board and strong thin facings such as of plastic impregnated/reinforced paper on opposed surfaces of the insulating core. The impregnate... | 03/02/2004 |
| 6629396 | Cell adaptable for construction of a housing structure A manufacture or cell (20) formed by a closed case (21) of fabric material (23) in which a multiple number of meltable plastic pellets (24) are disposed and with which an electrical line (25), here in the form of lines (25-1, 25-2), combine in an interwov... | 10/07/2003 |
| 6622444 | Synthetic core construction panel and apparatus for making same The present invention is a synthetic-core construction panel having a polyurethane core encased by a metal grid. The grid system comprises a first series of metal bars disposed in parallel to each other, equally spaced apart around the circumference of th... | 09/23/2003 |
| 6546693 | Reinforced structural assembly A stiffener is provided for reinforcing a hollow structure having a pair of spaced walls with a pin extending across the walls. The stiffener includes a carrier member with a layer of expandable polymer which creates a structural foam when the polymer is ... | 04/15/2003 |
| 6329038 | Insulating cover The insulating cover comprises a gas and water impermeable first foil (13) which defines a first circumferential outer rim, a gas and water impermeable second foil (26) substantially coextensive with said first foil (13) and defining a second circumferent... | 12/11/2001 |
| 6298617 | High rise building system using steel wall panels A prefabricated structural system uses wall panels having a combination of cold rolled light gauge sheet metal and hot rolled tubular steel. Panels are stacked one on top of each other to form vertical wall assemblies and may be welded directly with their... | 10/09/2001 |
| 6244016 | Prefabricated wall panel A prefabricated wall panel for wood structures has a frame (1) which consists of two frame parts (2 and 3) and transverse links (4). The frame parts (2 and 3) consist of wooden boards (6) to (9) which define the outline of the frame parts (2 and 3). The f... | 06/12/2001 |
| 6026629 | Modular building panel and method for constructing the same A modular building panel and a method for constructing the same provides a framework composed of structural members, typically formed of metal, and a backer board typically formed of a cementacious composite for receiving an exterior wall coating surface.... | 02/22/2000 |
| 6018928 | Construction of and mounting system for machinery side panels In machinery panel and mounting system therefore, a shaped panel shell is provided that includes a finished outer surface, and an inner surface that defines an interior area. A reinforcing member defining at least one recess is positioned in the interior ... | 02/01/2000 |
| 5946878 | Composite structural panel A structural panel is described which includes a thin substantially rectangular member of preselected length, width and thickness having a substantially flat upper surface and a peripheral flanged edge and supported on the lower surface thereof by a first... | 09/07/1999 |
| 5881527 | Portable precast concrete slabs for storage facility A portable, precast, steel-reinforced concrete slab of given dimensions for use in the floor of a building such as a storage facility. The slab is anchored to the ground using winged pipes, which are designed so as to be easy to insert into the ground but... | 03/16/1999 |
| 5868456 | Selectively heat treated side intrusion beams and method for making the same A selectively heat treated side intrusion beam includes a beam body having a center portion heat treated and end portions not heat treated. The beam body is affixed to end brackets that couple the beam body to the automotive vehicle door. The method for f... | 02/09/1999 |
| 5850722 | Lightweight superplastically formed, diffusion bonded panel structure and process of manufacture A method to increase the damage resistance of a diffusion bonded panel that includes embedding reinforcing members in the panel are bonding the reinforcing members so structural redundancy occurs adjacent the bonds and the structures constructed thereby. ... | 12/22/1998 |
| 5819499 | Insulating units A sealed insulating unit including two parallel opposed panes with a spacing and sealing system therebetween defining, with said panes, a sealed gas spaced between them, said spacing and sealing system comprising a spacer frame with a primary seal between... | 10/13/1998 |
| 5783286 | Hollow-core plastic structural lumber alternative A structural lumber alternative made of thermoplastic material has a generally hollow cross section, with a thick outer shell enclosing a central opening and at least one internal web disposed in the central opening and joining the outer shell. The intern... | 07/21/1998 |
| 5782047 | High-rise building system using light gauge steel wall panels A high-rise building system using light gauge steel wall panels provides for a variety of panels of various vertical and lateral force resistance by combining cold rolled and hot rolled steel sections in various configurations. The planar design makes pos... | 07/21/1998 |
| 5768851 | Structure unit A structure unit includes a pair of outer panels disposed in parallel to each other with a predetermined distance therebetween, a plurality of partition panels provided between the pair of outer panels in a direction crossing the outer panels with a prede... | 06/23/1998 |
| 5671913 | Fence wall construction with decorative facing Fence walls comprising flanged supporting posts spaced on centers and uniform lightweight panels doubly slotted at their ends fitting between adjacent posts and engaging such flanges. The engaged post flanges are substantially concealed from view. At leas... | 09/30/1997 |
| 5660021 | Security of buildings and other structures An improved security door is provided that is a composite of multiple layers. The layers include a first hard layer, a second hard layer, a reinforcing layer disposed between and connecting the first and second hard layers, and a carbonizing layer provide... | 08/26/1997 |
| 5655351 | Reinforced refrigerator door assembly and method of assembling the same A pair of cross brace members are diagonally positioned within an internal cavity of a refrigerator door shell that is defined by an outer front panel, side walls and in-turned, return flanges. The cross brace members are generally L-shaped in cross-secti... | 08/12/1997 |
