Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 8123431 | Road-based electricity generator Generating electricity from wheeled vehicles passing along a road, by positioning a hinged protruding flap to generate linear motion of an attached rack upon depression of the flap by a passing vehicle, converting the linear motion of the rack to a rotational motion... | 02/28/2012 |
| 7677833 | Safety improvements for airport runways and taxiways An airstrip shoulder-bordering surface arrangement for extending the width of existing runway and taxiway shoulders comprising a flexible water-impermeable surfacing material extending laterally of a side edge of an airstrip shoulder, an artificial grass surface adj... | 03/16/2010 |
| 7575393 | Cementitious porous pavement A cementitious porous pavement comprising a hydraulic conductivity greater than about 0.0001 cm/sec and a depth of at least three inches. ... | 08/18/2009 |
| 7530761 | System and method for electrical power generation utilizing vehicle traffic on roadways A system and method for electrical power generation utilizing vehicle traffic on roadways is disclosed. According to one embodiment, a power generation system comprises one or more standard hydraulic cylinders, one or more electro-mechanical generators, and one or m... | 05/12/2009 |
| 7441986 | Ground heating device A ground heating device is provided for thawing frozen ground. A water heater is provided with a reservoir tank in fluid communication with the water heater. A pump is provided in fluid communication with the reservoir tank. A hose is provided in fluid communication... | 10/28/2008 |
| 7429145 | Bi-directional roadway for decelerating a vehicle including an aircraft A method for slowing a vehicle upon a roadway. The method including: providing a movable surface upon which the vehicle travels, the movable surface being movable in two opposite directions; converting a kinetic energy of the vehicle traveling in either of the two o... | 09/30/2008 |
| 7427173 | Power generation system utilizing wind draft from vehicular traffic A system for electrical power generation by utilizing wind draft force from vehicle traveling on roadways provide two types of wind turbine apparatuses, one type is for road side which sits along the side of a roadway; another type is for road center which is instal... | 09/23/2008 |
| 7419326 | Method for accelerating a passengered vehicle upon a roadway A roadway upon which a wheeled vehicle travels is provided. The roadway including a movable surface extending in a direction of the vehicle's travel and a potential energy transfer arrangement operatively connected to the movable surface for transferring a stored po... | 09/02/2008 |
| 7371030 | Flexible road surfaces A construct from which a flexing road surface may be produced. A flexing road surface provided in accordance with the invention enables a vehicle to pass over the road surface relatively smoothly, while simultaneously imparting a reciprocating motion to the road sur... | 05/13/2008 |
| 7347643 | Road stud Provided herein is a road stud used to recognize the central line or lanes of a road. The road stud is configured in the form of a screw to be securely fixed to and buried in a road. The road stud includes a self generator to light up an illuminating element all the... | 03/25/2008 |
| 7334963 | Concrete slab joint stabilizing system and apparatus A joint stabilizing apparatus having an expandable cylindrical housing is inserted into a circular hole drilled at a “loose joint” of a concrete slab that is to be stabilized against relative vertical displacement between adjacent slab sections. The hole is dril... | 02/26/2008 |
| 7311464 | Illuminated snowboard railway track An internally illuminated snowboard track for recreational areas or parks which are operated at night is made up of a continuous elongated transparent rail which is supported a predetermined distance above the ground by a base support member, and a light source exte... | 12/25/2007 |
| 7309188 | Drainable base course for a landfill and method of forming the same Numerous embodiments of one or more layers of void-maintaining synthetic drainable base courses (“VMSDBC's”) are provided as incorporated into landfills and other waste containment facilities. ... | 12/18/2007 |
| 7281878 | Road surface sound reduction system A method for reducing tire to road noise generated by vehicles on a road surface comprises generating a pseudorandom unique line pattern, providing said pattern as transverse grooves disposed in the road surface, said grooves being randomized according said line pat... | 10/16/2007 |
| 7278242 | Pre-cast dock leveler pit A dock pit for a dock leveler mechanism comprises a pre-cast concrete body including integrally formed side, rear panel and front panels, all forming a continuous perimeter open therethrough to receive the load leveler mechanism. Each side panel has a top edge and t... | 10/09/2007 |
| 7249916 | Method of site preparation in environmentally sensitive areas A method of site preparation in environmentally sensitive areas. A first step involves determining boundaries of a site. A second step involves removing obstacles, if any, from within the boundaries of the site. A third step involves laying a layer of interlocking w... | 07/31/2007 |
| 7223047 | Safety improvements for airport runways and taxiways Safety improvements of airport runways and taxiways are achieved by providing a flexible, water-impermeable surfacing material on a compacted soil base directly adjacent to an edge of airstrip shoulders. A synthetic grass surface is provided on the area beyond the s... | 05/29/2007 |
| 7219031 | Rumble strip responsive systems: discrimination of types of rumble strips There are basically two types of rumble strips: shoulder/center rumble strips and in-lane rumble strips. In an embodiment of the invention, there is a device that automatically identifies the type of rumble strip with which a vehicle tire is in contact with. The dev... | 05/15/2007 |
| 7217062 | Control for screed heaters A screed for a paving machine has at least a base portion having an associated heating element connected to a heating element controller. An extension screed portion is connector to the base screed portion and has a respective heating element connectable to the heat... | 05/15/2007 |
| 7207742 | Safety improvements for airport runways and taxiways An airstrip shoulder-bordering surface arrangement for extending the width of existing runway and taxiway shoulders comprising a flexible water-impermeable surfacing material extending laterally of a side edge of an airstrip shoulder, an artificial grass surface adj... | 04/24/2007 |
| 7186053 | Disposable cover for bumper blocks A disposable cover for a bumper block comprises a body member having a cavity and an opening for receiving the bumper block. The body member is formed from an elastic polyethylene resin so that the body member may be expanded to accommodate the bumper block when the... | 03/06/2007 |
| 7168883 | Tennis surface A simulated clay tennis surface has a first region tufted with synthetic ribbons of a first height, and a second region tufted with synthetic ribbons higher than those of the first region. A granular infill material is applied to a depth which covers the ribbons in ... | 01/30/2007 |
| 7160049 | Paving material for absorbing electromagnetic wave and pavement structure using it An electromagnetic absorber formed of conductive fiber or the like, such as carbon fiber having an overall length corresponding to the wavelength of electromagnetic waves to be absorbed, is mixed into a base material to form an electromagnetic wave-absorbing pavemen... | 01/09/2007 |
| 7155848 | Apparatus for a scrolling sign A scrolling sign apparatus is disclosed. The apparatus includes a web having a number of signs connected in a loop. The web includes a bead along each longitudinal edge thereof. The apparatus includes a housing which has a window for displaying the signs. The web is... | 01/02/2007 |
| 7148581 | Rail based electric power generation system An electrical power generation system comprises a variable capacitor and a power source. The electrical power generation system is configured to generate electric power via movements of the rail. The power source is used in the form of a generator to prime the varia... | 12/12/2006 |
| 7124958 | Controlled snow-making process and apparatus A method and apparatus suitable for producing an artificial snow surface for tire evaluation is provided. The process provides for manufacturing a series of snow layers, each layer followed by a packing and a grooming step to provide a multi-layered snow surface. De... | 10/24/2006 |
| 7118305 | Wave shaped vehicle barrier A vehicle barrier uses adjacent rows of wave-like sections adapted to be positioned on a ground surface. A section is defined by (i) a planar wall extending angularly upward from the ground surface to the section's peak, and (ii) a concave wall extending angularly d... | 10/10/2006 |
| 7086806 | Method for asphalt compaction and compaction apparatus A method of compacting a mat of hot mix asphalt which has been laid by an advancing asphalt paver, the method comprising advancing an asphalt compactor over the laid asphalt such that a compaction surface of the compactor, formed by a lower run of at least one belt,... | 08/08/2006 |
| 7067932 | System for generating electricity by using gravitational mass and/or momentum of moving vehicle A mechano-electrical energy generation system generates electrical energy from the passage of a vehicle over an inclined ramp assembly. This assembly includes an incline ramp that is rotatable about an axis proximate a vehicle roadway surface, and a safety decline r... | 06/27/2006 |
| 7037033 | Process of manufacturing one-piece reflective pavement marker and method of making A reflective pavement marker is used for delineating roadways, having at least one retro-reflective face, including a plurality of cube-corner reflective elements. The marker may comprise two similar portions agglutinated to each other along a vertical back wall of ... | 05/02/2006 |
| 7025525 | Dynamic road marking system and road segment provided with said system A system for effecting merging of a first vehicle traveling in a first roadway with successive vehicles traveling in a second roadway, said system including: a sensor capable of detecting the movement of the successive vehicles in the second roadway; conversion mean... | 04/11/2006 |
| 7021857 | Dynamic road marking system and road segment provided with said system A dynamic road marking system for influencing a flow of traffic has a plurality of road marking units (3, 3′, 3″, . . . ) provided with a light source emitting light in the direction of a driver of a vehicle (6, 6′) traveling over a roadway (1... | 04/04/2006 |
| 7010412 | Method for calculating parameters in road design of S-type clothoid, complex clothoid and egg type clothoid The present invention relates to a method for calculating parameters in a road design of a S type, a complex type and an egg type clothoid, and in particular to a method for calculating a parameter value capable of determining the size of a clothoid that is inserted... | 03/07/2006 |
| 7001102 | Construction of roads The invention relates to the use of stabilizing body in the construction of roads. The stabilizing body comprises a substantially rigid, planar body (20) that can be inter-engaged with other similar bodies in a configuration in which an extended, substantiall... | 02/21/2006 |
| 6979146 | Road surface sensor and monitoring control method for road surface In order to melt snow and prevent freezing without consuming energy wastefully and to monitor a road surface state remotely, a road surface sensor includes: a rotating stand provided so as to be reciprocatingly rotatable upward on the road surface; a snow-melting/fr... | 12/27/2005 |
| 6971819 | Electrically conductive pavement mixture An electrically conductive paving system that has enhanced conductivity of the conductive graphite/asphalt layer. This is achieved by incorporating into the paving mixture a blend of two naturally occurring crystalline flake graphites, one being coarse (generally la... | 12/06/2005 |
| 6971817 | Jet blast resistant vehicle arresting blocks, beds and methods Aircraft arresting beds constructed of cellular concrete at ends of runways may be subject to damaging effects of jet blast phenomena. Arresting units resistant to such effects are described. A block of compressible material, such as cellular concrete, provides comp... | 12/06/2005 |
| 6967450 | Moving banner display improvements Enhancements for moving displays in general, and in particular, dynamic signage and kinetic sculpture. More specifically, the present invention relates to improvements on moving banners (18) for use within entertainment, advertising, signage, art, theater, pe... | 11/22/2005 |
| 6963050 | Paver and heating element A paver having a paving screed and at least one working component which is heated by at least one electric heating element and a smoothing plate, with the heating element being secured in heat tampering condition at a heating area of the working component. The heati... | 11/08/2005 |
| 6922955 | Pre-cast dock leveler pit A dock pit for a dock leveler mechanism comprises a pre-cast concrete body including integrally formed side, rear panel and front panels, all forming a continuous perimeter open therethrough to receive the load leveler mechanism. Each side panel has a top edge and t... | 08/02/2005 |
