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 |
| 8157628 | Baffled roll vent A baffled roll vent for covering the ridge slot of a roof for allowing ventilation from the space of a building below the ridge slot, the baffled roll vent having a first vent section having a male part and a second vent section having a female part, wherein the mal... | 04/17/2012 |
| 8137170 | Radiant baffle/collector for roof construction and retrofit A baffle system that can be used to provide ventilation to attics and roofs at the time of new roof construction or retrofit and further provides for solar thermal energy control and harvesting systems in conjunction or combination with the baffle systems. According... | 03/20/2012 |
| 8083576 | Contoured ventilation system for tile roofs A profiled ridge vent for tile roofs is provided having a vent strip located on each side of a roof ridge. Each vent strip includes a vent material, formed from a non-woven mat, including a first surface, contoured to a profile to match a profile of the tile roof, a... | 12/27/2011 |
| 7901278 | Hybrid metal-plastic roof vent A vent for a tile roof is disclosed. The vent includes a first member preferably substantially formed of a metal, a second member preferably substantially formed of a plastic material, and a connector attached to the underside of the second member. The second member... | 03/08/2011 |
| 7892077 | Ridge strip apparatus Ridge strip apparatus. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably followin... | 02/22/2011 |
| 7766735 | Externally baffled ridge vent Ridge vents and methods of their use are provided. In one embodiment, a rollable ridge vent for covering an opening of a roof ridge includes: an elongated flexible member having a central panel portion, a pair of lateral edges and a pair of transverse ends; a pair o... | 08/03/2010 |
| 7662037 | Roof ridge vent A roof ridge vent is formed with separation lines parallel with its outer edges which permit separation of the outer edge portions of the structure. In its original configuration, the roof vent structure may be used with wide cap shingles. Removal of the outer edge ... | 02/16/2010 |
| 7604536 | Roof ridge vent having honeycomb or like ventilation material A roof ridge vent and installation includes a ventilation material having walls defining a plurality of separate open cellular cavities, such as a honeycomb material, that may or may not extend from the underside of a separate sheet material. Preferably, the walls o... | 10/20/2009 |
| 7566265 | Vented ridge seal assembly A ridge seal assembly has a first molded unit having a flat nailing portion and a portion to conform to pan and cap areas of roof tiles, the nailing portion and the cover portion are contiguous and may have openings. The nailing portion has a first straight edge awa... | 07/28/2009 |
| 7540803 | Ventilating cap for the ridge of a roof A ventilating device for a roof having at least one vent opening. The ventilating device includes a cover extending along the vent opening. The cover may include two plies of material, a top ply and a bottom ply that are spaced apart by connecting members extending ... | 06/02/2009 |
| 7537518 | Baffled roll vent A baffled roll vent for covering the ridge slot of a roof for allowing ventilation from the space of a building below the ridge slot, the baffled roll vent comprising a unitary panel defined by a length and a width, said width terminating at discrete louver portions... | 05/26/2009 |
| 7527554 | Rollable roof ridge and ventilation element A rollable roof ridge ventilation element for slanted roofs comprises a ribbon-type, air-permeable carrier material. Edge strips of an elastically deformable film are connected to edge regions of the carrier material. Each edge strip includes an upward-pointing fold... | 05/05/2009 |
| 7485034 | Vent for tile roofs A ventilating apparatus for a roof having a longitudinally extending ridge member and a vent opening substantially co-extensive with the ridge member, that in one embodiment includes a vent member mounted above the ridge member and extending longitudinally along the... | 02/03/2009 |
| 7422520 | Roof ridge vent having an integral covering and method of installing a ridge vent A roof ridge vent having a ventilation component integrally secured to a waterproof outer covering. During installation of the vent, both the ventilation component and outer covering are simultaneously installed in a single process step. The use and separate install... | 09/09/2008 |
| 7393273 | Roof ridge vent, assembly and method of installation A roof ridge vent has a pair of opposed, spaced-apart, elongate strips of ventilation material providing ventilation passageways transversely therethrough and forms opposed longitudinally-extending sides of the vent. The elongate ventilation strips are interconnecte... | 07/01/2008 |
| 7384331 | Roof ridge vent A ridge vent, roof ridge vent installation, and method of installing a ridge vent is provided. Preferably, the ridge vent includes a ventilation material that has opposite longitudinally-extending sides and a longitudinally-extending central section that is transpar... | 06/10/2008 |
| 7367879 | Alternative geometry ridge vent louvers Irregular shaped louvers, such as chevron or curved shape louvers, on the sides of a roof ridge vent panel provide increased surface area and great Net Free Area values within a given space. ... | 05/06/2008 |
| 7357440 | Camper A camper having passive solar climate controls. The camper has a solar structure carried by a base. The solar structure includes a cover, a window panel, a ridge vent, a plurality of awnings, and a plurality of side panels. The ridge vent and the awnings are carried... | 04/15/2008 |
| 7340898 | Solar-thermal powered generator A solar-thermal powered generator has an absorber assembly which includes a gas permeable body of light absorbing material operative to absorb incident light and convert the absorbed light into heat. The gas permeable body of light absorbing material is supported in... | 03/11/2008 |
| 7338359 | Structural roof venting system for grain bin and associated method A roof system for a grain storage structure. The roof system includes a plurality of enclosures defined between adjacent roof panel surfaces. Each enclosure includes opposed exterior and interior wall segments oriented at an angle relative to the panel surfaces.... | 03/04/2008 |
| 7334662 | Equipment enclosure acoustical door with low impedance distributed air flow An acoustic door for an equipment enclosure, such as a rack mount cabinet, also provides a low impedance air flow uniformly delivered across the cabinet opening. A pair of metal panels, with acoustic foam along the rear surfaces, extend angularly outward and toward ... | 02/26/2008 |
| 7334420 | Air conditioning unit installation The installation of an air conditioning unit upon a roof having a sloping surface includes providing a framework having a first frame and a second frame which are joined for relative reciprocal movement whereby the framework can be secured to roof and adjusted to pr... | 02/26/2008 |
| 7320774 | Method for providing multiple tile shapes or appearances of the same According to various embodiments, methods, apparatuses, and products are provided that use an S-shaped die mold and a scoring/knifing process to produce two types of dies (S-shaped tiles and C-shaped tiles) from the S-shaped tile mold. The scoring/knifing process fo... | 01/22/2008 |
| 7302776 | Baffled attic vent Baffled attic vents and methods of their use and manufacture are provided. The baffled air vent of this invention includes an elongated member having a roof facing side and an attic space facing side, a pair of longitudinal side portions, first and second transverse... | 12/04/2007 |
| 7290373 | Eave riser extension for roof transitions A roof transition system is provided for supporting and ventilating roof tiles near a roof transition such as a valley or a side wall. The system includes a corrugated flashing and an eave riser extension containing one or more openings for ventilation and drainage.... | 11/06/2007 |
| 7243614 | Modular animal enclosure A modular animal enclosure includes a housing comprising a top portion affixed to a base portion to form a sheltered interior. The housing includes a door aperture and a climate conditioning aperture. A remove ably attachable climate conditioning unit is installed o... | 07/17/2007 |
| 7231744 | Roof venting system for improved interior air quality and hot water and electricity production A roof venting system comprising a second roof layer disposed above a first roof layer with a spacer disposed therebetween to provide an air flow channel between the two roof layers. A gap is provided in the upper roof layer at or near the top end of the roof and a ... | 06/19/2007 |
| 7222463 | Method of installing a roof ventilation strip and installation system A roof ventilation system having a strip with an air-permeable portion located adjacent to a ridge slot. Stand-off clips are provided which can be placed over the air-permeable strip at fastener locations which are located on flat portions of the roof panels. The st... | 05/29/2007 |
| 7182688 | Rollable roof ridge vent having baffles A roof ridge vent formed from a continuous, indeterminate-length, elongate strip of openwork material that has a pair of longitudinally-extending side edges each covered with a waterproof material. The edge coverings function as wind baffles and promote air circulat... | 02/27/2007 |
| 7178294 | Ridge cap roofing product The present invention generally encompasses a ridge cap roofing product that is formed from a composite material. The ridge cap has a cross section that is generally in the shape of an inverted V with a rounded apex and includes a front section and a back section. T... | 02/20/2007 |
| 7179165 | Automatic vent damper The automatic vent damper has various embodiments of a wind actuated vent system, which automatically closes to preclude entry of wind blown water when a wind of predetermined velocity and direction acts upon the device. The damper may be installed as an off-ridge o... | 02/20/2007 |
| 7165363 | Manually separable ridge vent A ridge vent has an elongated body having a width sufficient to span the ridge of a roof along which the ridge vent is installed. Tear lines of relative weakness are formed at spaced intervals along the elongated body. The tear lines may be formed by score lines, pe... | 01/23/2007 |
| 7143557 | Structural vent assembly for a roof perimeter A structural vent assembly comprising a back member having a forward surface and a rear surface; a mount member adapted to be secured to the support structure between the roof deck and the support structure, the mount member having a proximal end fixedly attached to... | 12/05/2006 |
| 7137224 | Vented soffit panel and method for buildings and like A vented soffit panel and related method for buildings and the like includes a generally flat imperforate base portion shaped to enclose at least a portion of the building soffit when mounted in a generally horizontal orientation under an eave. At least one vent cha... | 11/21/2006 |
| 7124542 | Building having a pitched, sculptured tile roof with a ridge extending atop the pitched, sculptured tile roof, which pitched, sculptured tile roof has a pitched tile roof venting arrangement There is now provided a building having a pitched, sculptured tile roof with a ridge extending atop the pitched, sculptured tile roof, with a pitched tile roof venting arrangement disposed at the ridge. The building has walls to support a roof having a ridge beam, r... | 10/24/2006 |
| 7124548 | Folded high-profile ridge cover, and method of making A centrally-folded and centrally-thickened ridge cover is formed from sheet shingle material by repeatedly back folding the material on itself to provide a thickened central portion for the ridge cover. The thickened central portion is disposed intermediate of a low... | 10/24/2006 |
| 7117649 | Vented furring strip A wall system for a structure including elongate furring strips having a multiplicity of transversely oriented air passages. The elongate furring strips are arranged on a first envelope layer of a wall and covered with a second envelope layer. The furring strips spa... | 10/10/2006 |
| 7094145 | Vent baffle and method of installation A single-piece vent baffle and method of installing a vent baffle. The vent baffle includes a main body portion and a tail portion and a first face and a second face. The main body portion includes at least one spacer extending from the first face. The vent baffle m... | 08/22/2006 |
| 7044852 | Off-ridge roof vent An off-ridge roof vent includes a hood open along the sides and front and a rear flange for mounting the hood to a roof. A pair of side walls each includes lower flanges to mount to a flat roof and upper bent tabs that fit under the hood to provide a tight fit betwe... | 05/16/2006 |
| 7024829 | Ridge vent for tile roofs A ridge vent for tile roofs. The vent includes first and second sub-flashing portions for spanning air gaps provided between the upper reaches of a roof deck and below a centrally located ridge beam. A plurality of ventilation apertures are provided in each of the s... | 04/11/2006 |