Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
PatentStorm News
Make the Most of PatentStorm
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest patents by subscribing to an RSS feed.
Got questions? Ask a Patent Expert!
Registered users: Manage your profile, comments and alerts.
| Number | Title | Issue Date |
| 7370452 | Mat assembly for heavy equipment transit and support A mat assembly particularly suited for heavy equipment transit and support, such as roadway construction and the like. The mat assembly is made up of a number of structural members preferably having a “double I-beam” cross-sectional shape. Each I-beam has spaced... | 05/13/2008 |
| 7244076 | Method for installing paving blocks A method of installing paving blocks comprises preparing an area to be paved to a desired grade. A preformed, load-bearing sheet of material, e.g., extruded polystyrene, is placed on the prepared area. Paving blocks are then laid in a desired pattern on the sheet of... | 07/17/2007 |
| 7220078 | Ground covering elements of artificial stone material The invention relates to an artificial stone floor element with a basic shape that corresponds to the combination of a plurality of square basic elements, especially to an angular floor element. The floor element includes projections and recesses along its periphera... | 05/22/2007 |
| 7160052 | Paving system using arrays of vertically interlocking paving blocks A continuous covered area, such as a sidewalk or patio, is formed by vertically interlocking tessellated components. One embodiment, termed PORTAPAVE™, achieves this interlocking via an array of uniquely configured two-sectioned pavers. Each paver has a first sect... | 01/09/2007 |
| 7144201 | Structure and method for supporting headstones and other stonelike objects A structure and method for supporting stonelike objects on soil. The structure comprises a base, at least two sets of a plurality of tabs disposed on the base at respective opposing edges thereof and oriented substantially perpendicular thereto, and a plurality of s... | 12/05/2006 |
| 7001101 | Interlocking paver/tile Interlocking paver system for the use of constructing sidewalks, pathways and decks being formed from a light weight material for easy handling. Joined together by a plastic spline with gripping teeth, which when placed in spline receiver slots on sides of paver, wh... | 02/21/2006 |
| 6942420 | Ground covering elements of artificial stone material The invention relates to an artificial stone floor element with a basic shape that corresponds to the combination of a plurality of square basic elements, especially to an angular floor element. The floor element includes projections and recesses along its periphera... | 09/13/2005 |
| 6874972 | Temporary road bed An apparatus for constructing a temporary road bed include a mat formed from a plurality of planks having a longitudinal dimension and spaced-apart a uniform distance by a spacer. A flexible cable extends through apertures in the planks and spacers for coupling the ... | 04/05/2005 |
| 6739797 | Interlocking erosion control block with integral mold A block (11) formed with a mold (10) integral thereto. The mold (10) is constructed as a mold top half (12) and a mold bottom half (14) and filled in situ with cement (16). The mold halves (12,14) are constructed with... | 05/25/2004 |
| 6558074 | Assembly of revetments with crush-absorbing ribs In an assembly of predominantly concrete revetment, each revetment is a generally rectangular solid having two longitudinal margins and two transverse margins, having two expansive faces, and having an array of apertures, which extend through said revetme... | 05/06/2003 |
| 6543190 | Portable weight strip for adjustably holding a member in position on an uneven surface; and method A weight strip constructed from a plurality of stacked sheets of elastomeric material slackly assembled for resting upon an uneven surface.... | 04/08/2003 |
| 6536988 | Construction kit made of concrete paving stones The invention relates to a construction kit made of concrete paving stones comprising substantially prismatic stone bodies of a uniform height and upright lateral surfaces. A plurality of stone paving stones (2) arranged in rows and having the same width ... | 03/25/2003 |
| 6471440 | Paving stone A paving stone (1) has a linkage securing against displacement. This is achieved by overengaging interlocking elements (6) and underengaging interlocking elements (5) being respectively provided on each side (3, 4) of the paving stone (1).... | 10/29/2002 |
| 6455127 | Protective structure A surface-covering protective structure. A thermal insulation layer has a basic wall thickness, fastening elements and a support arrangement integral with and projecting from the basic wall thickness of the thermal insulation layer. The support arrangemen... | 09/24/2002 |
| 6450728 | Paving tile for guidance of blind persons The invention relates mainly to a concrete pavement tile, which produces a clearly recognizable sound when touched with a blind person's cane or a white stick. In practice it appears useful to incorporate sound sources in guide paths for the blind. The in... | 09/17/2002 |
| 6171015 | Anchoring of outdoor traffic areas provided with cobblestones or paving stones An anchoring of outdoor traffic areas provided with cobblestones or paving stones made of a plastic or natural stone material is cited, in which the stones are laid in a bed of sand and/or grit. The anchoring method provides for the stones to be further s... | 01/09/2001 |
| 6015243 | Concrete material paving stone A paving stone, made from concrete material, having a one-piece plane surface and two strip like support attachments arranged on each lateral surface. These support attachments form joints between adjacent paving stones in a laid composite structure. On e... | 01/18/2000 |
| 5937602 | Ground cover with improved resistance to degradation by freezing and thawing A ground cover with an improved resistance to degradation by freezing and thawing, a kit for the manufacture of the ground cover and a method for manufacturing such a ground cover. The ground cover has a plurality of molds each having a bottom wall and si... | 08/17/1999 |
| 5902069 | Artificial paving stone with identical spacer elements having a tooth and a tooth recess There is provided an artificial stone for strengthening traffic surfaces in the open, in which the stone, in order to provide wide grooves between adjacently laid stones, is provided on its edge surfaces with integrally formed, completely identical spacer... | 05/11/1999 |
| 5890836 | Interlocking blocks for stream erosion control Interlocking blocks for the stabilization of stream and river banks and ct lines, road bed embankments, and boat ramps, are made of concrete, and have a high proportion of open area. Interlocking connections between adjacent blocks are made by radial pro... | 04/06/1999 |
| 5816738 | Composite synthetic material tile and suitable laying system and laying plate therefor Floor coverings of composite tiles having a polygonal ground plan and having elastic properties. A recess which is formed of a hollow space in the composite tiles can include a cylindrical support molded on the underside of the tiles. The walls of each co... | 10/06/1998 |
| 5678370 | Surface covering A surface covering formed by planar components includes a plurality of concentric rings with each ring formed by corner components having two pairs of parallel sides of different length. The shorter sides of the pairs of parallel sides meeting at an angle... | 10/21/1997 |
| 5615971 | Groundcovering element, method for its manufacture and method for the manufacture of a mould to be applied with the manufacturing method The invention relates to a groundcovering element, consisting of a plurality of components (1) with links (2,3) in between, a method for the manufacture thereof and a method for the manufacture of a mold (24, 25, 26, 27, 29, 30). According to the inventio... | 04/01/1997 |
| 5503498 | Paving stone with lateral spacers A paving stone configured to be arranged in a paving stone bond in an area-covering grid-shaped lattice of paving stones comprised of lattice elements. The paving stone has side walls and includes a plurality of spacers disposed on the side walls thereof.... | 04/02/1996 |
| 5466089 | Ground and floor covering block A paving block for covering the ground, floor and like surfaces. The paving block is generally planar with a vertical dimension. The upper and lower planar surfaces and the vertical sides define a pentagon. the pentagon has three longer sides and two shor... | 11/14/1995 |
| 5360285 | Set of shaped stones and shaped stone for paving ground areas with wide gaps therebetween A set of shaped stones for paving ground areas with wide gaps between the shaped stones is provided which comprises first and second shaped stones, with the second shaped stones having a smaller plan view area than the first shaped stones. A plurality of ... | 11/01/1994 |
| 5342141 | Movable surface paving apparatus and method for using the same A surface paving apparatus (10) and a method for using the apparatus is disclosed herein. The apparatus is comprised of a mesh material (12) having parallel ribs (14) attached, laid upon a surface to be paved. A paving material (16) with grooves (24) cut ... | 08/30/1994 |
| 5133620 | Interconnecting paving stones The interconnecting paving stones are provided on at least two opposing sides with outwardly tapering teeth. On one side of said stones, the front sides of said teeth are provided with indentation keys, and on the other side, with indentation grooves. Mor... | 07/28/1992 |
| 5118542 | Assembly of articulated members for forming a surface A plurality of rigid bars, made of wood, plastic or other material, are joined together to form an articulated assembly. A rope is threaded through bores formed in the bars. Cylindrical spacers are placed over the rope between the bars. In an alternate em... | 06/02/1992 |
| 5006011 | Frames for installing wooden bricks The present invention relates to a frame for installing wooden bricks in which plural sections for holding the wooden bricks are arranged so as to correspond to the finished arrangement of the wooden bricks, a pederal for fixing the wooden bricks is prepa... | 04/09/1991 |
| 4907909 | Paving stone set The paving stone set consists of stones 11-16 each with six lateral boundary surfaces 1-6, 17-22. Four of these boundary surfaces 1 and 4; 3 and 5; 18 and 21; 19 and 22 are parallel to one of the other of the four surfaces, while the remaining two surface... | 03/13/1990 |
| 4900607 | Sealing profile A sealing profile formed of rubber or rubber-like material is provided for sealing tunnel segments which have circumferential recesses. There is a plurality of slotted grooves running parallel in the lengthwise direction on the base side of the profile an... | 02/13/1990 |
| 4761095 | Paving stone Paving stones of concrete as well as artificial stone material are provided having a tread surface along the top thereof as well as upright sides which are located between corner points of the stone. The side surfaces are provided with serrations, wavy-sh... | 08/02/1988 |
| 4749302 | Spacing pad The invention provides in the upper portion of the spacer pad spacer ribs 7. These ribs are notched in such a manner that they will lock with alignment ribs 10 that are provided in the bottom portion of each spacer pad. When the pads are stacked, lateral ... | 06/07/1988 |
| 4453283 | Decking pallet A pallet for use in decking a bridge constructed from girder sections of the type disclosed in Patent No. GB 1209747 comprises a plurality of decking units (1) held in pre-determined disposition by tie bars (7) and spacers (6) so as to engage directly wit... | 06/12/1984 |
| 4451032 | Plastic ski slide A plastic ski slide comprises a rigid reinforcing support of a wickerwork of metal rods, and plastic elements fixed to said reinforcing support. The plastic elements provided with flexible, projecting thin rods are fixed with clearance with respect to eac... | 05/29/1984 |
| 4271555 | Reinforced concrete bridge decking and method of making same Reinforced concrete bridge decking comprises a plurality of substantially identical, removable, interchangeable reinforced concrete panels having protruding tongues at opposite ends supported on and retained in place by resilient, shock absorbing pads. Th... | 06/09/1981 |
| 4047825 | Rollable walk guide A wire grid shaped with brick size spaces which may be transported or stored as a roll, and which is adaptable for serving as a permanent guide and reinforcement when unrolled onto a flat path with bricks subsequently individually mounted in each of the g... | 09/13/1977 |