Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7441985 | Method and apparatus for providing a dowell connection to maintain cast-in-place concrete slabs in alignment First and second cast-in-place concrete slabs are maintained in alignment by cutting a semi-circular groove in an edge surface of the first formed slab, positioning a flat rectangular dowel within the groove so that the dowel extends outwardly from the edge surface,... | 10/28/2008 |
| 7381008 | Disk plate concrete dowel system Disclosed is a disc dowel system interposed between adjacent first and second concrete pours defining a pour joint therebetween. The disc dowel system comprises a positioner bracket, a pocket former and a dowel plate. The positioner bracket has a vertically disposed... | 06/03/2008 |
| 7338050 | Expansion joint gasket An expansion gasket 10 positionable between similar or dissimilar materials having an exterior exposure to the elements. In the preferred embodiment, the expansion gasket of the present invention 10 provides means to seal a space occurring between mate... | 03/04/2008 |
| 7338230 | Plate concrete dowel system A disc dowel system is interposed between adjacent first and second concrete pours defining a pour joint therebetween. The disc dowel system comprises a positioner bracket, a pocket former and an orthogonally shaped dowel plate. The positioner bracket has a vertical... | 03/04/2008 |
| 7332153 | Cosmetic compositions Cosmetic formulations containing a cosmetic active and a continuous phase comprising a water-immiscible liquid carrier, such as, amongst other materials, silicone oils, branched aliphatic alcohols or liquid aromatic/aliphatic esters that is structured by a cyclodipe... | 02/19/2008 |
| 7314333 | Plate concrete dowel system A disc dowel system is interposed between adjacent first and second concrete pours defining a pour joint therebetween. The disc dowel system comprises a positioner bracket, a pocket former and an orthogonally shaped dowel plate. The positioner bracket has a horizont... | 01/01/2008 |
| 7144071 | Multi segment parts A part for reinforcement of hollow structures comprises a series of segments flexibly interlinked to enable the part to be adjusted to fit structures of irregular cross section and direction, the segments contain foamable material which can be activated to fill the ... | 12/05/2006 |
| 7021858 | Double joints pavement system A construction joint implement and method for its use in the construction of surface pavement (e.g., roads, highways, airports, and parking lots of concrete or asphalt) comprise a trapezoidal shaped reinforcing beam or a modified reinforcing beam made of a rigid mat... | 04/04/2006 |
| 6948716 | Waterstop having improved water and moisture sealing features An improved waterstop having the important added feature of a hydro expansive compound which expands when subjected to water. By expanding, the hydro expansive compound effectively blocks the passage of water that leaks into the gaps created during the shrinkage of ... | 09/27/2005 |
| 6926463 | Disk plate concrete dowel system Disclosed is a disc dowel system interposed between adjacent first and second concrete pours defining a pour joint therebetween. The disc dowel system comprises a positioner bracket, a pocket former and a dowel plate. The positioner bracket has a vertically disposed... | 08/09/2005 |
| 6912751 | Expansion joint system for accommodation of large movement in multiple directions An expansion joint system which is provided to accommodate forces applied to highway construction during normal changes in ambient conditions, and which is also designed to withstand seismic forces and vehicular forces, which may be applied in transverse and longitu... | 07/05/2005 |
| 6745532 | Process for the articulated imbrication of concrete slabs ¢i(in situ) The invention relates to the articulated imbrication of concrete slabs i(in situ) wherein joints are formed by laying i(in situ), along joint lines, a simple armored mesh device with a cut and fold pattern which has been already prepared in the workshop. Advantage i... | 06/08/2004 |
| 6681540 | Device for forming an expansion joint in a floor surface Disclosed is a unitary resilient insert member for filing an expansion joint gap formed between adjacent concrete slabs, floor tiles, or the like wherein the insert member consisting essentially of a preassembled wedge shape form. Also disclosed is a meth... | 01/27/2004 |
| 6210070 | Concrete dowel slip tube with clip A concrete dowel placement apparatus for use with continuous pour concrete slabs comprising at least one slip tube, a concrete support dowel insertable into a respective slip tube and a wire mesh supporting structure. The slip tube comprises an elongate t... | 04/03/2001 |
| 6171016 | Tubular reinforcing dowel system and method A tubular reinforcing dowel system includes a plurality of fiber composite hollow, tubular dowel tubes comprising a first material and each including a longitudinally-extending bore. The dowel tube bores are filled with a second material, such as hydrauli... | 01/09/2001 |
| 6012869 | Expansion joint and seal containing intersections An expansion joint and seal for an expansion joint for use in structures where the joint has an intersection uses a seal with a solid thick keel extending along a lower edge of a central portion in an area of the intersection. The keel commences in a tran... | 01/11/2000 |
| 5888017 | Expansion joint cap A resilient expansion joint insert member for insertion into the expansion joint between adjacent concrete floor slabs. As the concrete slabs move further apart due to settling or thermal contraction, insert member covers the widened gap. Likewise, as the... | 03/30/1999 |
| 5735633 | Method of and devices for sealing and supporting concrete floor joints and the like A novel technique and seal-and-filling support for longitudinally extending concrete floor joints comprising a resiliently compressible cylindrical support member of cross-dimension similar to or lesser than the joint opening and compressibly inserted int... | 04/07/1998 |
| 5690447 | Method of and devices for sealing and supporting concrete floor joints and the like A novel technique and seal-and-filling support for longitudinally extending concrete floor joints comprising a resiliently compressible cylindrical support member of cross-dimension similar to or lesser than the joint opening and compressibly inserted int... | 11/25/1997 |
| 5492691 | Method of making clear antiperspirant gels A clear antiperspirant gel is made by combining and mixing together (A) an astringent compound having a refractive index of 1.48 to 1.53 which is an antiperspirant salt in the form of (i) a tray dried compound, (ii) an encapsulated salt, or (iii) a solven... | 02/20/1996 |
| 5269624 | Expansion joint system An expansion joint system (10) traverses a slot (12) between concrete slabs (14, 16). The system includes nosings (32, 34) overlying an expansible member (40) of unitary construction and made from resilient material. The expansible member has ribbed flaps... | 12/14/1993 |
| 5228255 | Method and apparatus for improved belt type expansion joints A method and apparatus for defining an expansion joint seal with a belt comprising a body portion elongated in the longitudinal direction and having a first edge bead at one end and a second edge bead at the other end. A first edge bead is inserted within... | 07/20/1993 |
| 5197250 | Wide expansion joint system An expansion joint sytem (10) spans a slot (12) of adjacent concrete slabs (14, 16). The system includes a boxed out area (22) adjacent the slot. A plate member (32) extends across the slot. A preformed resilient pad (42) is positioned above the plate mem... | 03/30/1993 |
| 5129754 | Expansion joint seals Expansion joints are sealed with a combination of curable elastomeric adhesive and an elastomeric longitudinal sealing element having three segments in cross-sectional profile including parallel segments for bonding through the adhesive to the wall of the... | 07/14/1992 |
| 5035533 | Highway expansion joint strip seal An expansion joint strip seal for use between spaced apart ends of sections of a highway, bridge, or the like, the strip seal having an elongate metallic rail with a C-shaped cavity therein embedded in the end of one of the sections, a second elongate met... | 07/30/1991 |
| 4979846 | Contraction joint for concrete linings A contraction joint for use in forming a layer of concrete is disclosed which comprises a base, a central projection extending from the base having an upper apex section of uniform thickness and a lower triangular section having a cut-out portion to assis... | 12/25/1990 |
| 4896994 | Highway expansion joint strip seal An expansion joint strip seal for use between spaced apart ends of sections of a highway, bridge, or the like, the strip seal having an elongate C-shaped metallic rail embedded in the end of one of the sections, a reverse C-shaped elongate metallic rail e... | 01/30/1990 |
| 4884381 | Structural joint system A joinder system for providing a seal between a pair of opposed walls is formed to include a sealing element consisting essentially of a body of resilient material having at least one continuous cavity formed internally thereof, with the cavity being fill... | 12/05/1989 |
| 4875802 | Installational concrete joint insert and method of preventing edge spalling Joint spaces within structural concrete bodies are filled with semi-rigid fillers to avoid adjacent concrete layer re-cracking and protect the concrete surface edges of the joint spaces against spalling by repeated impact loading. Inserts embedded in the ... | 10/24/1989 |
| 4861043 | Pressure/compression concrete joint seal A joint seal comprises two elastomeric elements, configured to fit as a nested assembly within the gap between adjacent slabs. The outer element (the "outer seal") is a generally U-shaped channel (with sides and a bottom), and performs the actual sealing ... | 08/29/1989 |
| 4799345 | Reversible compression seal A seal for sealing the region between abutting building surfaces is provided with a first surface for presentation when the seal is used between smooth abutting wall surfaces, and a second surface for presentation where one or both of the abutting wall su... | 01/24/1989 |
| 4781489 | Assembly for bridging over expansion joints The assembly for bridging over expansion joints comprises sealing band of elastic material which bridges over the joint, which sealing band, for being secured in upward open cavities, includes thickenings substantially filling up said cavities and extendi... | 11/01/1988 |
| 4746129 | Expansion joint strip seal An expansion joint strip seal for use in roadways, bridges, buildings and the like to seal across a gap defined by a pair of parallel, elongated edge or frame members, which have generally C-shaped cavities opening towards the gap for purposes of supporti... | 05/24/1988 |
| 4743139 | Expansion joint An expansion joint for use between adjacent sections of a roadway comprises a resilient seal for extending along the gap between the sections and two seal retainers adapted to be secured to the respective roadway sections on opposite sides of the gap. Eac... | 05/10/1988 |
| 4743036 | Compression seal An elastomeric compression seal for sealing expansion grooves in bridges or the like. The seal comprises a plurality of congruently linked cells having vertical side walls and convex upper walls. The seal is characterized by a controlled collapse which pr... | 05/10/1988 |
| 4708517 | Compression seal A device for sealing the joint between adjacent structural members such as concrete slabs in bridges, parking decks, and the like, and for absorbing thermal expansion and contraction of the adjacent structural members. The compression seal employs a cross... | 11/24/1987 |
| 4685825 | Device for use in expansion joints A device for use in expansion joints in ramps, bridges, sidewalks, floors of multi-story car parks and the like having at least one cellular sealing strip made of an elastic material which when installed is supported on two opposite sides of the expansion... | 08/11/1987 |
| 4622784 | Pressurized waterstops A waterstop for concrete structures, of the type consisting of an extruded strip of elastomeric material having a general flat medial portion extending between longitudinally ribbed side wing anchor portions is internally pressurized so as to compensate f... | 11/18/1986 |
| 4572702 | Expansion joint An expansion joint adapted for sealing an elongated gap formed between two adjacent road sections. The joint provides a continuous support for vehicles crossing the gap while enabling the desired temperature responsive movement of the slab road sections. ... | 02/25/1986 |
| 4569615 | Expansion joint structures An expansion joint and seal structure for the variable width space between roadway, bridge or like sections subject to expansion and contraction is provided in the form of an elongate elastomer member having spaced transverse passages of generally rectang... | 02/11/1986 |
