The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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 |
| 7441379 | Light transmission panels, retaining clip and a combination thereof A glazing panel system is provided with improved glazing panels, retention clips and/or U-shaped connectors. The retention clip may engage the glazing panels at locations lower than top ends of the upstanding seam flanges. In one embodiment, an internal U-shaped con... | 10/28/2008 |
| 7365266 | Method and system for mounting photovoltaic material The present invention discloses a system and method for mounting a flexible material, such as a web of photovoltaic material, onto a surface, such as a roof. The system and method comprises providing a first and a second elongated web of flexible material and dispos... | 04/29/2008 |
| 7318567 | Cable management device A cable management device includes a clamping mechanism (110) suitable for attachment to a surface. The clamping mechanism comprises an annular portion (111) having an outside surface (114), an inside surface (115) that forms a perimeter ... | 01/15/2008 |
| 7210273 | Panel attachment system A panel attachment system (10) comprising a plurality of covering panels (12), a plurality of retaining members (16) to hold the panels (12), and a plurality of mounting structures (18) to secure the retaining members (16) t... | 05/01/2007 |
| 7155868 | Caulkless panelized wall system Disclosed herein are caulkless panelized wall systems and methods for their construction, wherein the wall systems have elastomeric joints that are resistant to cracking. Building panels are fastened to a frame with the edges adjacent to each other. No caulk is appl... | 01/02/2007 |
| 7100338 | Multi-piece clamp for standing seams A multi-piece clamp for installation on a standing seam is disclosed. One component of the clamp is a clamp body with a clamp body slot formed therein. This slot is mounted on a standing seam without having to slide the clamp body onto an end of the seam. Another co... | 09/05/2006 |
| 7051487 | Conservatory structures A conservatory framework has an eaves structure from which the roof is supported, at least one comer and/or in-line joint in the eaves structure being two connector parts which are angularly adjustable relative to one another. The first and second elongate frame mem... | 05/30/2006 |
| 6955012 | Roof and roof board material The structure of the present invention simplifies a roofing procedure at the ridge of a roof, ensures easy detachment and relocation, and enables ventilation of the air via the ridge. Each roof plate 10 has a third projection board 43 and a seco... | 10/18/2005 |
| 6935077 | Earthquake-immune curtain wall system Described herein is a curtain wall system for multi-story buildings that is highly resistant to the damage caused by multidirectional swaying motions in building frames during an earthquake. In a conventional curtain wall system, each story is connected structurally... | 08/30/2005 |
| 6933036 | Non-skid floor mat design A non-skid floor mat for use in a golf car is provided to enable traction with one of a hard spike and a soft spike of a golf shoe. The non-skid floor mat includes a sheet of elastomeric material and nibs in the wall area of the mat. The nibs are sufficiently spaced... | 08/23/2005 |
| 6735912 | Method and apparatus of weather sealing adjacently jointed building panels A method and apparatus for sealing the joints, using a unified protective joint cap, of jointed building panel systems having a plurality of building panels. The unified sealing member is applied on top of the jointing means of the panel system wherein no modificati... | 05/18/2004 |
| 6662518 | Floor covering transition device The present invention provides a device for transitioning between a first floor covering and a second floor covering wherein the transition device includes an elongated core and a covering. The elongated core has a top, a bottom, opposing sides and opposi... | 12/16/2003 |
| 6536173 | Covering for suspended ceiling grid system The invention is a covering for a suspended ceiling grid system. The covering is particularly suited to be retrofitable onto an installed suspended ceiling grid system. The covering is preferably a plastic cup that can be snap fit onto the main runners or... | 03/25/2003 |
| 6393790 | Construction block cap and method A construction block cap is used to cap the open end of a construction block in order to provide a generally air tight and water tight seal of the open end. The construction block cap has a body member with a top surface and a bottom surface and a raised ... | 05/28/2002 |
| 6354045 | Roof panel system for improved wind uplift resistance A system for roofing a substructure has a plurality of roof panels, a plurality of support members and a plurality of cap members. The roof panels each have a horizontal channel section bounded on a pair of opposing side edges by side flanges, with an upp... | 03/12/2002 |
| 6324806 | Covering for suspended ceiling grid system A covering for a suspended ceiling grid system particularly suited to be retrofitable onto an installed suspended ceiling grid system. The covering is preferably a plastic cap that can be snap fit onto the main runners of cross-tees of the installed suspe... | 12/04/2001 |
| 6293069 | Joint closure system for foamboards An insulating structure comprises a board of insulating material having two major surfaces, two side edges and top and bottom edges, and facing sheets on each of the major surfaces, and a generally rectangular closure strip having two equal and integral s... | 09/25/2001 |
| 6269596 | Roof member and mounting method thereof Roof members of the present invention are those fixed to the roof, each roof member being a combination solar cell and roof member having a solar cell element and a metal reinforcing member, wherein a metal member is provided below the combination solar c... | 08/07/2001 |
| 6189273 | Connector clip for drywall reveal A drywall reveal and retaining clip for assuring proper alignment of abutting drywall reveal sections. The retaining clip comprises a generally U-shaped channel that engages the rear of two abutting ends of similarly shaped drywall reveal and by engagemen... | 02/20/2001 |
| 6176054 | Demountable wall system having a seamless covered wall A demountable wall system that is adapted to be interposed between a floor and ceiling structure and including a series of wall panels that include a continuous and seamless wall covering. More particularly, the demountable wall system includes a floor ra... | 01/23/2001 |
| 6170212 | Deck system A deck system including cooperating plastic planks, fastener covers and end caps. Each of the plastic planks has at least one channel in the upper surfaces which extends the length of the plank. Each channel includes at least one pair of opposed ledges. E... | 01/09/2001 |
| 6164024 | Architectural glazing panel system and retaining clip therefor A high performance light transmissive glazing panel system is provided such as for overhead roof constructions which has a wind load resistance on the order of 330 psf. The glazing panels are supported on a framework of purlins and rafters and include ups... | 12/26/2000 |
| 6161356 | Building elements A building structure, as for a conservatory roof, in which hollow building panels of a plastic material are connected side-by-side by upper and lower coupling members, between adjacent building panels. The coupling members receive aluminum reinforcing bea... | 12/19/2000 |
| 6158915 | Attachment member for board materials An attachment member 11 for board materials 2 such as heat insulating materials and the like comprises an affixing plate part 5 which is affixed to the substrate surface 3a of a body 3, a support plate part 6 which extends approximately perpendicularly wi... | 12/12/2000 |
| 6148577 | Modular floor protection mat system A new modular floor protection mat system for protecting a variety of sizes and types of floor surfaces from contaminants such as dirt, petroleum products and thawing compounds and the like falling off of vehicles parked on the floor surface. The inventiv... | 11/21/2000 |
| 6112493 | Conservatory roof construction A conservatory roof construction with a ridge member, glazing bars or rafters and two hip bars. Each hip bar has a track extending therealong. A connector plate connects to the track and is both slidable along the length thereof and is hingable with respe... | 09/05/2000 |
| 5937599 | Interior construction system for sanitary areas Interior construction system for a sanitary area which has plate-shaped wall elements made of glass. The wall elements can be either straight or curved into a radius. The wall elements are connected positively and non-positively to a load-bearing element ... | 08/17/1999 |
| 5885029 | Antifouling wall structure, method of constructing antifouling wall and antifouling wall panel transporter therefor A wall surface of a structure to be rendered antifouling is covered with antifouling panels caused to firmly adhere thereto and fixed. Not only can this work be conducted easily and quickly but also part of the antifouling panels can be easily replaced. T... | 03/23/1999 |
| 5845446 | Longitudinal facing, facing retainers, and facing structure having facing and facing retainers Longitudinal facing laid on a base between retainers at a prescribed spacing includes a central face plate, an inner riser along right and left edges of the face plate, an outer riser on an outer side of each inner riser, a drain channel formed between th... | 12/08/1998 |
| 5839236 | Curtain wall integral drip system An integral drip system for thermally isolated straight in glazed curtain wall or window wall which will restrict water penetration into a building. The drip system includes at least one flange included for easy glazing replacement. This drip system reduc... | 11/24/1998 |
| 5737891 | Channel-mounted interlocking panel roofing structure A channel-mounted panel structure using interlocking panels is described. Channel members that are generally hat-shaped in cross-section each have oppositely disposed longitudinal supporting members for use in cooperation with mounting slots of adjacent p... | 04/14/1998 |
| 5737892 | Channel-mounted interlocking panel roofing structure A structure for securing the edges of adjacent roof-forming panels is described. Channel members having gutter forming bottom and side walls engage the edges of adjacent panels. Specifically, ledges or the channel side walls cooperate with structures on t... | 04/14/1998 |
| 5737881 | Interlocking roof system An interlocking roof system of tiers of successively higher interlocking panels mounted on base members, each panel being held in place by protrusions fitted into notches in the base member of the next higher tier, the panels of each higher tier having a ... | 04/14/1998 |
| 5715639 | Metal roof board connecting structure A metal roof board connecting structure for connecting metal roof boards includes a raised-up flat lock seam portion formed by bending flatly and seamly raised-up regions of two metal roof boards which are arranged adjacently to each other, and a cap memb... | 02/10/1998 |
| 5687524 | Apparatus for sealing panel joints of building surfaces This invention relates to repairing the water leakage problem of panel joints in an exterior building surface. In addition, this method may also be used to project new panel joints. A long lasting effective repair method is provided by using two extruded ... | 11/18/1997 |
| 5596858 | Cover for standing seam of roof which is clad with plastic membrane A sheet roofing system involving the use of a plastics material membrane may be applied over existing metal roofs. A plastics material extrusion which may be colour matched or contrasted with the colour of the plastics material membrane may be applied ove... | 01/28/1997 |
| 5452553 | Waterproof coverings for generally flat or low-pitch roofs on buildings A waterproof cover having special utility for a flat or low-slope roof for a building. The roof includes a structural part comprising beams, joists, rafters, etc., as well as a substrate in the form of plywood panels, metal decking, etc. A waterproof cove... | 09/26/1995 |
| 5414969 | Decorative magnetic elements for ceiling grids A suspended ceiling assembly is provided with its metallic runners covered with magnetic articles, which may be discrete or continuous members. The magnetic articles comprise an outer facing layer and an inner magnetic layer, and are conformed to fit over... | 05/16/1995 |
| 5331780 | Hyperbolic paraboloid roof and sidewall system A hyperbolic paraboloid roof structure which has in combination rectilinear panels (10) tangentially attached to a frame of beams (11) each of whose top surfaces (11a) is a semicircular arc or segment thereof. The panels are assembled from prefabricated r... | 07/26/1994 |
| 5301474 | Roofing system for potable water A method and system for applying a water gathering and channeling roof covering onto the upper roof of a building, which roof is at least slightly pitched, wherein fully annealed sheets of at least 99% titanium with a thickness of less than 0.020 inches a... | 04/12/1994 |