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...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 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 |
| 7004674 | 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... | 02/28/2006 |
| 6962462 | 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... | 11/08/2005 |
| 6893187 | Expansion joint structure for concrete slabs An expansion joint structure to be placed between adjacent concrete slabs in a concrete slab system comprises a first profile element to be attached to an edge of a first concrete slab, and a second profile element to be attached to an edge of a second concrete slab... | 05/17/2005 |
| 6751919 | Sealing element for expansion joints A sealing element for the recessed seat of an expansion joint in a concrete structure having an elastomeric profile (20) formed by two longitudinal lateral flanges (21) to be fixed to the end edges of the concrete structure (11), and a central p... | 06/22/2004 |
| 6491468 | Foam backed joint seal system A foam backed precured joint seal comprising a strip of precured elastomer wider than the joint to be sealed, the strip centrally adhered along its length to an elongated foam backing.... | 12/10/2002 |
| 6409423 | Prestressed pavement system A prestressed pavement has apparatus to prestress the slabs, has slab abutments to resist the prestress force, has short-life friction-reducing medium to prevent the slab early cracking, has restraints to prevent the slab buckling, and has accumulators to... | 06/25/2002 |
| 6102407 | Joint seal and assembly method thereof A joint seal is designed to maintain its proper position in the joint groove opening port to create an effective seal between the inner walls of the joint groove and to resist peeling or damage, even in an event, such as an earthquake, during which the ad... | 08/15/2000 |
| 6014849 | Joining method and joining structure as well as form for concrete products The present invention relates to a joining method and a joining structure as well as a form for concrete products. A protruding portion provided at the front end of a seal member of elastic material attached to one concrete product is inserted through an ... | 01/18/2000 |
| 5737889 | Device for sealing of concrete joints A device for sealing concrete joints is provided. The sealing device includes an elongate section (8) having a larger width than thickness (t). The section (8) has longitudinal edge portions (12, 13) and is intended for casting into two concrete structure... | 04/14/1998 |
| 5607253 | Dilatation joint element To avoid leakage in concrete structures with dilatation joints and to prevent dirt from accumulating in the joints there has been developed a dilatation joint element which is easy to mount, reliable and essentially maintenance-free. The dilatation joint ... | 03/04/1997 |
| 5473848 | Trapezium-shaped aqueously-swelling concrete joint-sealing article and method A shaped, water-expandable water-sealing article used for sealing an area between a first section of at least partially cured concrete and a second, adjacent section of substantially uncured concrete. The clay water sealing article is in the shape of a qu... | 12/12/1995 |
| 5380122 | Joint forms for concrete slabs and method for installation of joint forms Joint forms for use in concrete slab formation. Such joint forms may be locked vertically and, if desired, laterally onto joint forms stakes by virtue of a number of aligned stake ear slots 26 and locking slots 28 which cooperate with corresponding ears a... | 01/10/1995 |
| 5318379 | Preformed elastomeric joint sealant installer The sealant installer is pulled along the roadbed over the joint to be sealed and the installer wheel engaging the road surface on opposite sides of the joint slot pulls sealant by operation of teeth engaging the sealant through a lubricated feed chute wh... | 06/07/1994 |
| 5311629 | Deck replacement system with improved haunch lock An improved article and method for making and installing a bridge deck replacement system. Subsystem articles include a plurality of precast slabs which contain features, notably projections and plates which depend from the underside thereof, which are us... | 05/17/1994 |
| 5292205 | Backup protection for sealed structural expansion joints A retrofit for diverting water leaking into an elevated expansion joint is formed by lowering an applicator that carries an adhesively treated water run-off arrangement into the joint and pressing the arrangement against inside walls of the joint with an ... | 03/08/1994 |
| 5181341 | Variable gap filling system A variable gap sealing article for sealing between a first surface and a second surface has an elongated body portion with a resilient contractible portion and an expandable portion. The article fills a gap between the surfaces by expanding the expandable... | 01/26/1993 |
| 5141358 | Protection of elevated roadways at expansion joints A retrofit for diverting water leaking into an elevated expansion joint is formed by lowering an applicator that carries an adhesively treated water run-off arrangement into the joint and pressing the arrangement against inside walls of the joint with an ... | 08/25/1992 |
| 4968178 | Device for bridging expansion joints A device for bridging over expansion joints of a roadway includes a matting of elastomeric substance placed over spaced elements of a joint to bridge the same. The matting has longitudinal portions held in grooves provided in retainer profiles positioned ... | 11/06/1990 |
| 4752153 | Compensating highway joint The invention pertains to a compensating highway joint system for interconnecting adjacent concrete highway sections having obliquely disposed end joints. The highway joint utilizes a V-shaped vertical separator plate which forms a tongue and groove relat... | 06/21/1988 |
| 4699540 | Expansion joint An expansion joint is shown for use in joining adjacent concrete sections separated by an expansion slot such as in a roadway having concrete sections and a slot therebetween. The joint includes a preformed longitudinal sealing element which is formed of ... | 10/13/1987 |
| 4648739 | Load transfer cell assembly for concrete pavement transverse joints A non-corrosive load transfer cell assembly for transverse joints in concrete pavement structures including support chairs, a pair of plastic walls abutting the edges of the concrete joints, a drainage trough for continuous drainage flow, a joint forming ... | 03/10/1987 |
| 4576510 | Technique for the location of expansion joints when casting a concrete bed Procedure of locating expansion joints (7) in a concrete bed (3,4) during manufacture (casting) by locating pre-fabricated joint elements (11,12) consisting of long rails made of reinforced concrete in pairs as a form and glide path (1,2) for smoothing an... | 03/18/1986 |
| 4563850 | Devices for assembling together the slabs of concrete constituting highways For joining together two concrete slabs (1, 2) juxtaposed side by side along a crack (3), a cylindrical cartridge with vertical axis is used comprising two half shells (41, 42) made from cast metal and joined vertically together by a... | 01/14/1986 |
| 4522531 | Transverse joint cell for concrete structures A transverse concrete pavement joint cell including a pair of plastic walls abutting the edges of the concrete joints. A seamless drainage gutter extends longitudinally between said plastic walls to the edges of the pavement. Blocks of compressible elasto... | 06/11/1985 |
| 4320611 | Fire retardant seal A fire resistant seal for gaps between structural members is disclosed. A preformed elongate strip is provided of resilient silicone foam material and has a generally Y-shaped cross section. The width of the base of the Y is approximately equal to but no ... | 03/23/1982 |
| 4288173 | Expansion and contraction joint assembly An expansion and contraction joint assembly for use with installations of tile, slate or marble floors or the like is disclosed. The joint assembly is comprised generally of a base or lower component, a core receiving or upper component, and a cap compone... | 09/08/1981 |
| 4194282 | Method and apparatus for filling seams between adjacent fiber blanket insulation modules Gaps or seams between adjacent modular refractory fiber blanket insulation modules are filled by inserting therein strips of refractory fiber blanket. The strips are bent into a U-shape over a blade or plate and then inserted between two spreader members,... | 03/25/1980 |
