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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 8091315 | Building block comprising light transmitting fibres and a method for producing the same The present invention relates to a building block (2) comprising embedded light transmitting fibres (6) in a cast material (4), where the fibers are arranged in the cast material from a first lateral surface (8) of the building block to a... | 01/10/2012 |
| 7429144 | Paving brick assembly A paving brick assembly includes: a plurality of polygonal main bricks, each of which has a plurality of first lateral sides and a plurality of second lateral sides that are alternately disposed with the first lateral sides, each of the first lateral sides being for... | 09/30/2008 |
| 7244004 | Corner protector A protective device that may be used to shield the corner of an object from damage during shipping, storage, handling or the like comprises a top member, an outer wall, an inner wall opposite the outer wall and a side wall. The walls are connected (either directly o... | 07/17/2007 |
| 7235204 | Methods and apparatus for producing manufactured articles having natural characteristics A method for making a thermosetting polymer reproduction of an object preferably comprises the steps of modifying an original object such as an object found in nature (e.g., a stone or array of stones) or a manmade article (e.g., a carved decorative object) to a pre... | 06/26/2007 |
| 7229235 | Retaining wall system A retaining wall system is comprised of a plurality of courses of side-by-side parallelogram front face patterns, each parallelogram front face pattern formed by first and second rows of a plurality of quadrilateral face patterns. The first and second rows of the pl... | 06/12/2007 |
| 7204060 | System for manufacturing structures of cementitious materials This disclosure is a system which includes processes, machines, articles of manufacture and compositions of matter required to construct a habitable structure comprised of a cementitious product, preferably autoclaved aerated concrete (“AAC”), formed in unique b... | 04/17/2007 |
| 7147406 | Wall structure for retaining soils A retaining wall structure for retaining soil, including a retaining wall including a plurality of non-molded blocks disposed side-by-side and adjacent each other, the retaining wall having a width and a height. The wall structure further includes a plurality of joi... | 12/12/2006 |
| 7101429 | Method of resisting corrosion in metal reinforcing elements contained in concrete and related compounds and structures The present invention provides methods for resisting corrosion of metal elements in concrete, and associated compounds and structures. Acid mine drainage sludge is used as a source of a precursor compound that reacts with a source of anion to form a chloride-sequest... | 09/05/2006 |
| 7096634 | Block wall system A block suitable for forming a block wall that is either a retaining wall or an above ground wall. The block includes a front wall extending between upper and lower block surfaces and presenting a first block face. A rear wall is spaced from said front wall and exte... | 08/29/2006 |
| 7081156 | Method of resisting corrosion in metal reinforcing elements contained in concrete and related compounds and structures A method of resisting corrosion of metal elements in concrete is provided. It includes introducing into concrete containing metal elements, at least one combination compound capable of sequestering chloride ions having the formula 3Me(II)O.(R,R′)2O... | 07/25/2006 |
| 7074263 | Direct sequestration of chloride ions The present invention provides methods and compounds for the direct sequestration of chloride ions without requiring the addition of a source of anion such as nitrite or nitrate. A direct sequestration additive is introduced to fresh concrete or hardened concrete wh... | 07/11/2006 |
| 7060128 | Method of resisting corrosion in metal reinforcing elements contained in concrete and related compounds and structures In some embodiments, alternate sources of aluminum or calcium are provided in various ways including the desired compounds. The further object of the present invention contemplate in situ creation of the compound in interest in fresh concrete and as a slurry which c... | 06/13/2006 |
| 7051988 | Brace for concrete forms A brace for securing concrete form members to a casting surface. First and second leg members are spaced to form an angle. A bridging member extends between opposing ends of the leg members and a strut extends between the joined ends of the leg members and the bridg... | 05/30/2006 |
| 7048250 | Method for producing purpose-made blocks, a device therefor and a purpose-made block A method for producing purpose-made blocks (10). According to said method, several purpose-made blocks (10) are produced in a mold (37) in such a way that the blocks (10) are arranged in at least one row (28) of purpose-made blocks... | 05/23/2006 |
| 7037047 | Retaining wall block system Concrete blocks configured for use in forming retaining walls that require the use of rebar and grout to structurally anchor a retaining wall to a foundation. The blocks include first and second core openings extending through the blocks. The core openings are confi... | 05/02/2006 |
| 6962028 | Interlocking masonry articles and methods thereof Each of a plurality of masonry article comprises a contoured first header, a contoured second header, a contoured front face, a back face, a contoured lower base and an upper base. The plurality of masonry articles has a plurality of holes extending from the lower b... | 11/08/2005 |
| 6938382 | Stockade A palisade comprises visible or wall surfaces disposed on opposing sides and intermediate end faces. One of the end faces is provided with a projecting convex head, while the other end face comprises a correspondingly formed concave receptacle for the head. When for... | 09/06/2005 |
| 6899489 | Pre-fabricated warped pavement slab, forming and pavement systems, and methods for installing and making same A pre-fabricated warped pavement slab and a forming system for making the slabs. The forming system includes a plurality of forming sections which can be adjusted so as to form a warped-plane pavement slab. Also disclosed are methods for making the pavement slab and... | 05/31/2005 |
| 6889479 | Building block Molded composite polymer construction blocks are made that are easily assembled, using alinement pins and apertures, with channels for insertion of sealant and vertical passageways for pipes, wires, etc. Stud supporting cavities in one side of the block extend into ... | 05/10/2005 |
| 6886304 | Multi-layer slab product made of stone granulates and relative manufacturing process The invention concerns a product and the relative manufacturing process, said product, including at least a precast support (2) of expanded material and at least a layer (3) of agglomerated stone material in form of granulates bound by a binding phase,... | 05/03/2005 |
| 6877290 | Building block A plurality of building blocks (1) form a retaining wall (300), which may be curved, with respective side edges (6, 7) providing pivot points and a stepped base (5) of an upper block (1) being positionable on the upper surface (... | 04/12/2005 |
| 6874293 | Protruding planter block for retaining wall A cast concrete block for use in a vertical retaining wall. The block has a generally vertical front face which is visible when the block is stacked in a retaining wall. A pocket is formed in the block to project from a portion of the visible face of the block. The ... | 04/05/2005 |
| 6857244 | Cast stone for fixing exterior traffic surfaces There has been disclosed a cast stone (1) for securing traffic areas outdoors, with the stone (1) bearing at least one pair consisting of a protrusion (9) and an adjacent recess (10) substantially matching the form of the protrusion of th... | 02/22/2005 |
| 6854702 | Form for manufacturing concrete blocks for freestanding walls A form for manufacturing concrete blocks for constructing freestanding walls. The form includes a base and four side panels which are mounted on the base to pivot between a first position for casting a block and a second position for removing a cast block from the f... | 02/15/2005 |
| 6851242 | Raised garden block An interlocking hollow body configured and arranged with integrally formed and partially laterally overlapped upper and lower generally rectangular sections which form (a) a central commons portion, (b) a cantilevered portion of the upper section projecting from a f... | 02/08/2005 |
| 6843034 | Masonry block locking device A method and apparatus for constructing masonry walls made of open-celled blocks without the need for mortar between individual blocks or courses of blocks using individual C-shaped bracketed pieces that lock adjacent blocks together. The open-celled blocks must hav... | 01/18/2005 |
| 6829867 | Blocks and block forming apparatus and method A retaining wall block is provided. The retaining wall block includes top, bottom, front, back, first side and second side surfaces. A tongue set is provided on the top surface of the block and a groove in the bottom surface of the block. The tongue set includes a r... | 12/14/2004 |
| 6810634 | Method of resisting corrosion in metal reinforcing elements contained in concrete and related compounds and structures A method of resisting corrosion in concrete containing metal elements is provided. It includes introducing into fresh concrete, containing metal elements, at least one compound capable of sequestering chloride ions. The method may also involve employing a compound w... | 11/02/2004 |
| 6732482 | Method of resisting corrosion in metal reinforcing elements contained in concrete and related compounds and structures A method of resisting corrosion in concrete containing metal elements is provided. It includes introducing into fresh concrete, containing metal elements, at least one compound capable of sequestering chloride ions. The method may also involve employing a compound w... | 05/11/2004 |
| 6711865 | Interlocking blocks A modular construction unit including an assembly of a multiplicity of interlocking blocks, at least one of the blocks including, on at least one male end, a male element adapted to be introduced partially and held in place in a concave female element provided in an... | 03/30/2004 |
| 6709192 | Method of forming, installing and a system for attaching a pre-fabricated pavement slab to a subbase and the pre-fabricated pavement slab so formed A pre-fabricated pavement slab having a binder distribution system and an interconnection system formed for attachment of the bottom surface of the slab, wherein both the binder distribution system and the interconnection system are accessible from the top surface o... | 03/23/2004 |
| 6708459 | Sheet metal stud and composite construction panel and method A composite construction panel having a thin panel of concrete material and a reinforcing grid of sheet metal studs with embedment portions which are actually embedded into the concrete panel, each of the studs having a web, main web openings through the web, a righ... | 03/23/2004 |
| 6675547 | Method for forming a head wall from an anchor pile and reinforcing member for said anchor pile structure The invention relates to the field of building and is applicable to retaining walls. The reinforcing element is characterized in that it consists in connecting the back face of the facing to the strong zone by means of a plurality of reinforcing elements ... | 01/13/2004 |
| 6607329 | Method of forming, installing and a system for attaching a pre-fabricated pavement slab to a subbase and the pre-fabricated pavement slab so formed A pre-fabricated pavement slab having a binder distribution system and an interconnection system formed for attachment of the bottom surface of the slab, wherein both the binder distribution system and the interconnection system are accessible from the to... | 08/19/2003 |
| 6606835 | Blocks and walls constructed therewith A cementations block for seating in adjacent and adjoining relation with a plurality of the cementations blocks to define a wall, with each block comprising a body having a top and an opposing bottom, opposing front and back faces, and a first and second ... | 08/19/2003 |
| 6569379 | Ceramic core spacer blocks for high temperature preheat cycles A spacer member in a furnace including an aluminum tube containing a ceramic material. The ceramic material provides high compressive strength and the composite product resists high temperature creep.... | 05/27/2003 |
| 6557818 | Form for manufacturing concrete retaining wall blocks A form for manufacturing concrete retaining wall blocks. The blocks are cast in the form with a front face of the block down. A resilient face insert at the bottom of the form imparts an ornamental appearance to the front face of the block. The form has f... | 05/06/2003 |
| 6543969 | Modular block A modular block comprises a first side, a second side, a third side, a fourth side, a top side, and a bottom side, the bottom side further comprising a primary score line, the primary score line for splitting the block into a pair of complimentary blocks ... | 04/08/2003 |
| 6526720 | Masonry block A masonry block having indentations and rounded and recessed portions to facilitate the bundling and transport of a bundle of the masonry blocks using convention bundling straps. A bundle of masonry blocks is formed such that on the top row of the bundle ... | 03/04/2003 |
| 6508041 | Interlocking concrete block A block for use in interlocking with other similar blocks in constructing a building has a block body having a top surface and a bottom surface with an outer block wall defining one side surface of the block body. A head portion extends from the outer blo... | 01/21/2003 |
