Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 8091293 | Bearing and expansion joint system including same A bearing is provided for use in connection with expansion joint systems. The bearing may be incorporated into expansion joint systems that are used in roadway constructions, bridge constructions, and architectural structures. The bearing can absorb increased loads ... | 01/10/2012 |
| 7856766 | Seismic isolation device To provide a seismic isolation device, even if a relative height between friction plates, which are laminated in a hollow part of a laminated rubber body, and the laminated rubber body changes at a deformation of the laminated rubber body, which prevents allophone, ... | 12/28/2010 |
| 7441376 | Base isolation device for structure A base isolation device for a structure capable of efficiently and effectively suppressing the vibration of a structural body in surface outside direction, wherein a tension member having on overall length longer than an interval between support points provided on t... | 10/28/2008 |
| 7325792 | Multi-axial base isolation system A load isolation system for a component includes at least one isolation assembly. The at least one isolation assembly includes a first mounting plate and a second mounting plate, each of which are parallel to one another and are structurally connected to one another... | 02/05/2008 |
| 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 |
| 7290375 | Seismic isolation access floor assembly An access floor assembly includes a base floor, a substructure mounted to the base floor, a bearing plate, formed with a first cavity, mounted to the substructure and disposed at an elevated location relative to the base floor, an isolator plate, formed with a secon... | 11/06/2007 |
| 7284358 | Methods of manufacturing bearing brace apparatus The present invention is directed to a brace apparatus having a core member configured to absorb energy generated by seismic or other forces by undergoing plastic deformation. A buckling restraining assembly is included for maintaining the structural integrity of th... | 10/23/2007 |
| 7281287 | Prop-type damping device There is disclosed a prop-type damping device which effectively consumes energy of up-and-down vibration on a main girder of a bridge caused by earthquakes, winds, passing vehicles or the like to prolong a life of the bridge and improve comfort for bridge users with... | 10/16/2007 |
| 7263806 | Storage rack vibration isolators and related storage racks A storage rack vibration isolator for a storage rack system installed on a floor comprising a first mounting plate connectable to the storage rack system, a second mounting plate connectable to the floor. An elastomeric component extending between these mounting pla... | 09/04/2007 |
| 7260024 | Housing for a seismic sensing element and a seismic sensor A housing for a seismic sensing element (3) for use on the earth's surface comprises connecting means (5) for connecting the housing (3) to a support cable (2) so as to allow relative movement between the sensor housing (3) and the... | 08/21/2007 |
| 7254921 | Rocking hinge bearing system for isolating structures from dynamic/seismic loads A rocking hinge bearing system is provided. The rocking hinge bearing system comprises a first base plate, a second base plate, and a compressible member. A pintle mechanism is required to align the first base plate, the second base plate and the compressible member... | 08/14/2007 |
| 7249442 | Storage rack vibration isolators and related storage rack systems A storage rack system to be installed on a floor has a plurality of columns, is more flexible in a down aisle dimension than it is in a cross aisle dimension, and has at least a first column and a second column adjacent one another in the cross aisle dimension. A st... | 07/31/2007 |
| 7243466 | Anti-seismic system The present invention provides a system and method for protecting buildings from damage due to seismic waves. The system comprises a bed of sand contained between two layers of polymer membrane, upon this sand bed a rests a first concrete slab, this first concrete s... | 07/17/2007 |
| 7240777 | Constrained layer damping assembly A constrained layer damping assembly for a rigid base member having a substantially planar surface comprises a gas impervious damping layer disposed on the substantially planar surface of the base member, and a load element disposed on the damping layer. The damping... | 07/10/2007 |
| 7216467 | Column to structure attachment device A column to structure attachment device and method is disclosed for securing a support column between a base structure and a beam structural member. The device includes a structural column having a first end and a second end with a void parallel to a longitudinal ax... | 05/15/2007 |
| 7191569 | Telescoping pier foundation A telescoping pier foundation system (100, 100a, 100b) comprises generally an outer shell preferably made of a tough material, such as, a suitable polymer or a metal alloy, having an internal cavity (12) for receiving cementitious ... | 03/20/2007 |
| 7188452 | Sleeved bracing useful in the construction of earthquake resistant structures A buckling restrained brace includes an elongate, hollow sleeve, an elongate yielding core extending substantially through the length of the sleeve, and a buckling constraining element between the yielding core and the inner surface of the hollow sleeve and spaced a... | 03/13/2007 |
| 7174680 | Bearing brace apparatus The present invention is directed to a brace apparatus having a core member configured to absorb energy generated by seismic or other forces by undergoing plastic deformation. A buckling restraining assembly is included for maintaining the structural integrity of th... | 02/13/2007 |
| 7168210 | Support block and system for use on roofs A support block for supporting objects on a roof. The support block is a moulded elastomeric block of pyramidal shape with a substantially hollow core. The support block can be used as is or in a system whereby a galvanized steel channel is secured to the top wall o... | 01/30/2007 |
| 7131238 | Method of testing seismic braces Braces for bracing objects in structures against forces due to earthquakes are tested by subjecting components of the braces for attaching the braces to the object or structure to cyclic loading of approximately 15 cycles. The cyclic forces are applied to different ... | 11/07/2006 |
| 7114693 | Stable cell platform A stable platform supports a cell, the stable platform comprises a lower mainframe, an upper mainframe, and a dampener system. The upper mainframe includes a plurality of recesses. Each recess is configured to receive a cell. The dampener system connects the lower m... | 10/03/2006 |
| 7107728 | Apparatus for the storage of hazardous materials The invention provides a stabilizing device for inclusion in a stack of containers in which hazardous waste is held, wherein the stabilizing device comprises a table for supporting a container in the stack, and a base, the table being movable relative to the base so... | 09/19/2006 |
| 7076926 | Damping intermediate pillar and damping structure using the same A damping intermediate pillar, which can exhibit a sufficient resistance against the horizontal force of a strong earthquake by reinforcing the joins between the damping intermediate pillar and the upper and lower beams, is disclosed. A damping intermediate pillar | 07/18/2006 |
| 7048473 | Vibration-proof construction method A vibration-proof construction method for preventing and reducing vibration around a structure which generates vibration or receives vibration includes construction work wherein a hard member having higher stiffness than the surrounding ground and a rubber elastic m... | 05/23/2006 |
| 7043879 | Force-resisting devices and methods for structures In accordance with the present invention there is provided a force-resisting device for transmitting forces and dissipating and absorbing energy across a discontinuous structural element of a structure. The device includes at least one active element, the active ele... | 05/16/2006 |
| 7028432 | Compact ceiling isolation hanger A compact ceiling isolation hanger for suspending and isolating a ceiling from the ceiling structure comprises two vibration isolators, two vibration isolator mounting means, a channel bracket having a channel carrier and opposing flanges, and a ceiling bracket moun... | 04/18/2006 |
| 7028433 | Aseismatic device An aseismatic device applied to an overhead hoist transport (OHT) system in a fab has a spring pin and a positioning ball installed in a cavity of a first platform. The spring pin has at least a spring for fixing the positioning ball and is mounted on a second platf... | 04/18/2006 |
| 7020924 | Static stabilizers for bridges An adjustable static stabilizer used to ameliorate shock loading. The static stabilizer has a housing forming a chamber and an upwardly-open cylindrical carrier moveably mounted in the chamber. A plurality of spring washers are mounted in the carrier, and a shoe cap... | 04/04/2006 |
| 6966154 | Earthquake protection consisting of vibration-isolated mounting of buildings and objects using virtual pendulums with long cycles The invention relates to an earthquake protection system that is entirely immune to seismic activity. According to the inventive method buildings and other objects are supported by Virtual Pendulums (Pv) designed as QuakeProtect Modules (56). Altho... | 11/22/2005 |
| 6931800 | Structural supplemental rubber dampers (SSRD) The devices are classified as a passive Supplemental Damping Devices, and as the name indicates they are used to supplement and increase the damping in structures. Increasing the damping is a desirable property, because it improves and enhances the performance of th... | 08/23/2005 |
| 6874748 | Active floor vibration control system An active vibration control system for controlling excessive or unwanted vibrations in floors or other structures. The system has three main components: (1) velocity sensor w/signal conditioner; (2) feedback controller; and (3) proof-mass actuator. This system works... | 04/05/2005 |
| 6862848 | Method and apparatus for reducing earthquake damage in developing nations using recycled tires This invention provides an inexpensive and plausible means of earthquake protection for personal residences in developing nations and economically distressed areas within the United States through the use of recycled tires containing a particular rock aggregate.... | 03/08/2005 |
| 6840017 | Vibration control structure A building (1) includes square columns (2) disposed in such a manner as to extend in a vertical direction so as to support the vertical load of the building (1); girders (3) disposed in such a manner as to bridge the square columns (2 | 01/11/2005 |
| 6840016 | Device for damping movements of structural elements and a bracing system The invention relates to the protection of structural systems such as apartment houses against dynamic loading caused by earthquakes, wind, traffic etc. When a frame structure is excited by a horizontal external force, the girders starts to displace horizontally. If... | 01/11/2005 |
| 6799400 | Earthquake shock damper An earthquake shock damper includes two positioning plates, two fixing plates and multiple energy absorbing plates securely sandwiched between the two positioning plates and having the two fixing plates extending out in different directions. Each energy absorbing pl... | 10/05/2004 |
| 6790520 | Vibration dampening laminate The present invention provides a vibration dampening laminate that is lightweight and has superior sound insulation and vibration dampening properties. The vibration dampening laminate comprises a constraining layer, a viscoelastic adhesive layer, a foam spacing lay... | 09/14/2004 |
| 6701680 | Low cost, light weight, energy-absorbing earthquake brace An energy absorbing seismic brace for both retrofit and new construction. The brace comprises a central strut of either multi-legged or homogeneous section fabricated from low strength aluminum, whose characteristics maximize the seismic energy absorption... | 03/09/2004 |
| 6681536 | Mounting structure and method for viscosity system damping wall In a structure for installing a viscous vibration-damping wall 1, the viscous vibration-damping wall 1 is constructed such that a housing 16 with its upper end open is formed by uprightly setting a pair of steel-made side plates 15 on a base plate 8 and b... | 01/27/2004 |
| 6679012 | Earthquake energy eliminator An earthquake energy eliminator is constructed to include two bearing plates respectively disposed at top and bottom sides, the bearing plates each having a plurality of mounting holes, and a plurality of connecting plates connected between the bearing pl... | 01/20/2004 |
| 6662506 | Collapse-resistant frame system for structures A collapse-resistant frame system (10) for a bridge or building structure includes a plurality of mechanically-interconnected columns (12) and beams (14). At least the lowermost columns are formed of a material (28) that exhibits quasi-elastic behavior in... | 12/16/2003 |
