Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8181413 | Shingle with reinforced nail zone and method of manufacturing A roofing shingle is provided. The roofing shingle includes an overlay sheet including a headlap portion and a tab portion and an underlay sheet secured to the overlay sheet such that a region of the underlay sheet overlaps a region of the headlap portion of the ove... | 05/22/2012 |
| 8156704 | Reducing humping of stacked roofing shingles A bundle of laminated shingles is provided. The bundle includes a plurality of shingles having an overlay laminated with an underlay. The overlay has a tab portion with cutouts normally exposed on a roof and a headlap portion. The headlap portion has a lower zone ad... | 04/17/2012 |
| 7836654 | Shingle with reinforced nail zone and method of manufacturing A roofing shingle includes an asphalt-coated sheet having a tab portion normally exposed on a roof and a headlap portion normally covered-up on a roof. The headlap portion has a lower zone that extends longitudinally between a first end and a second end of the roofi... | 11/23/2010 |
| 7805905 | Roofing shingle The present invention provides a roof shingle comprising a shingle with at least one layer having a head lap and a butt, the head lap including at least one alignment notch and the butt including at least one corner that corresponds to the alignment notch. Also, the... | 10/05/2010 |
| 7665261 | Shingle with a rendered shadow design A laminated shingle has a rendered shadow design when placed with other similar shingles on a roof deck. The laminated shingle includes an overlay member and an underlay member fixedly attached to each other. The overlay member includes an upper or headlamp portion ... | 02/23/2010 |
| 7361617 | Fire resistant composite material and fabrics therefrom The present invention relates to fire resistant composite materials and to fire resistant fabric materials and mattresses made therefrom. The composite materials include (a) a substrate selected from the group consisting of cotton, rayon, lyocell and blends thereof;... | 04/22/2008 |
| 7281358 | Roofing shingle A roofing system having shingles. The shingles include a front side, a back side, a pair of spaced-apart side edges, and spaced-apart top and bottom edges, an adhesive, and a backing material. The adhesive is applied to a portion of the shingle for affixing the back... | 10/16/2007 |
| 7240461 | Siding panels for wall coverings Siding panels for mounting on a wall surface. Each siding panel includes a plurality of decorative elements integrally formed with the panel and disposed in at least one row, the decorative elements defining a front face of the siding panel; a top edge disposed abov... | 07/10/2007 |
| 7240462 | Shingle with a rendered shadow design A laminated shingle has a rendered shadow design when placed with other similar shingles on a roof deck. The laminated shingle includes an overlay member and an underlay member fixedly attached to each other. The overlay member includes an upper or headlap portion a... | 07/10/2007 |
| 7169464 | Aligned extrudate structure The present invention provides an improved composite material structure having large portions of additive material aligned over a substantial width of a material structure and occupying a larger percentage of the structure volume. The material structure includes a r... | 01/30/2007 |
| 7125601 | Integrated granule product An integrated granule product that includes a film having a plurality of ceramic coated granules bonded to the film by a cured adhesive. The integrated granule product is generally considered an intermediate product because it is suitable for application onto variou... | 10/24/2006 |
| 7118794 | Shingle with improved blow-off resistance A wind-resistant shingle and a method of making it is provided in which the rear surface of the shingle is provided with an attached reinforcement layer, which resists upwardly wind-applied bending torque when the shingle is installed on a roof, such that the failur... | 10/10/2006 |
| 7082724 | Packaging of tabbed composite shingles having a backer strip containing uniform, identically spaced, vertical projections on its top edge This invention relates to back-to-back inverse packaging of a pair of tabbed, composite roofing shingles consisting of (a) a top sheet having a lower butt portion divided into spaced tabs and an upper undivided headlap portion carrying a horizontal band of nailing i... | 08/01/2006 |
| 6990779 | Roofing system and roofing shingles A roofing system having a multiplicity of courses of roofing shingles and interply material having at least one course of interply material overlapping at least about ten percent of a first course of shingles and a second course of shingles overlapping at least a po... | 01/31/2006 |
| 6983571 | Composite roofing panel The present invention provides a composite panel for use in construction, and particularly for shingling, which comprises natural fiber and a polymer. Due to its composition and layout the construction panel provides all of the advantages of natural materials and hi... | 01/10/2006 |
| 6972064 | Method of forming laminar structures having variable angle tape wrap Composite laminar structures which exhibit nonlinear surfaces and which exhibit a variable ply angle relative to a defined axis and methods of forming the same are disclosed. A change in ply angle may be induced by the formation of a ramp structure, such as by the i... | 12/06/2005 |
| 6968662 | Sealing courses of shingles The present invention relates to improved wind lift resistant self-sealing shingles having an adhesive-to-adhesive seal between courses of shingle installation. ... | 11/29/2005 |
| 6936329 | Fastener-free composite roofing product A fastener-free composite roofing product comprising a roofing material and an interply material attached to the roofing material, wherein the interply material includes an adhesive coating on one side. The interply material is attached adjacent to an edge of the ro... | 08/30/2005 |
| 6933037 | Triple laminate roofing shingle A three-layer asphalt composition shingle where the top layer is of a full width, a middle layer is less than the full width, and a bottom layer has a width shorter than the middle layer. The middle and top layers of the shingle have tabs and cutouts. The tabs of ea... | 08/23/2005 |
| 6920730 | Multi-layered shingle and method of making same A multi-layered shingle adapted to be positioned with other similar shingles in an overlapping arrangement on a roof to yield a simulated wooden shake roof covering comprising a headlap portion and a butt portion. The butt portion comprises a series of multi-layered... | 07/26/2005 |
| 6823637 | Shingle with a rendered shadow design A laminated shingle has a rendered shadow design when placed with other similar shingles on a roof deck. The laminated shingle includes an overlay member and an underlay member fixedly attached to each other. The overlay member includes an upper or headlap portion a... | 11/30/2004 |
| 6804919 | Backer for tabbed composite shingles In a rectangular composite shingle unit including (a) a top sheet having a lower butt portion which is longitudinally divided into spaced tabs and an upper undivided headlap portion having a horizontal line of markings immediately above the butt portion indicating n... | 10/19/2004 |
| 6790307 | Shingles with multiple blend drops and method of depositing granules onto a moving substrate A method of making shingles includes providing a moving asphalt coated sheet having at least an overlay lane and an underlay lane. Blend drops of at least two color blends are discharged onto each lane, wherein at least one of the blend drops discharged onto the ove... | 09/14/2004 |
| 6782671 | Sheet of shingles A sheet of shingles for application to the ridge or hips of a roof. Two or more shingles are arranged in a generally straight line with the tops of adjacent shingles generally aligned with one another, with the bottoms of adjacent shingles generally aligned with one... | 08/31/2004 |
| 6748714 | Trilaminate shingles A trilaminate a trilaminate shingle, having a horizontal longitudinal orientation, includes an overlay sheet having series of tabs and cutouts extending horizontally across the shingle. The shingle also includes a middle sheet having a series of tabs and cutouts ext... | 06/15/2004 |
| 6725609 | Folded ridge cover and method of fabrication Asphalt composition ridge cover formed from an approximately rectangular sheet of asphalt composition roofing material. The sheet of asphalt composition material is bent around a radius through approximately a ninety degree angle along the centerline so that no more... | 04/27/2004 |
| 6715252 | Composite shingle having shading zones in different planes A laminated shingle is provided, having lighter and darker granule portions visible from the front, at different planes; the front-most or anterior plane generally having granules of lighter shading and the more rearward or posterior plane generally having darker gr... | 04/06/2004 |
| 6708456 | Roofing composite A roofing composite comprising a roofing material and an interply material attached to the roofing material. The interply material is attached adjacent to an edge of the roofing material and is scored to permit a major portion of the interply material to be folded a... | 03/23/2004 |
| 6698151 | Shingle for optically simulating a tiled roof A laminated shingle simulates a tiled roof when placed with other similar shingles on a roof deck. The laminated shingle includes an overlay member and an underlay member fixedly attached to each other. The overlay member includes an upper or headlap port... | 03/02/2004 |
| 6692608 | Method of making simulated wood shake shingle having vertical shadow lines A method of making shingles includes coating a shingle mat with roofing asphalt to make an asphalt-coated sheet, and covering the asphalt-coated sheet with granules to form a granule-covered sheet along a longitudinal axis, the granule-covered sheet havin... | 02/17/2004 |
| 6679020 | Multi-layered shingle and method of making same A multi-layered shingle adapted to be positioned with other similar shingles in an overlapping arrangement on a roof to yield a simulated wooden shake roof covering comprising a headlap portion and a butt portion. The butt portion comprises a series of mu... | 01/20/2004 |
| 6679308 | Multi-layered shingle and method of making same An apparatus is provided for the continuous manufacture of shingles, for producing a plurality of laminated shingles. The apparatus includes a means for continuously advancing a fibrous sheet, a means for waterproofing the sheet, a means for adhering gran... | 01/20/2004 |
| 6619006 | Roofing shingle The present invention relates to a roofing shingle, which can surely prevent water such as rainwater from leaking through a roof. A roofing shingle has a rectangular plate (11) provided with first through fourth seam portions (11a-11d). The first and seco... | 09/16/2003 |
| 6578336 | Shingle for optically simulating a tiled roof A laminated shingle simulates a tiled roof when placed with other similar shingles on a roof deck. The laminated shingle includes an overlay member and an underlay member fixedly attached to each other. The overlay member includes an upper or headlap port... | 06/17/2003 |
| 6544374 | Method for making laminated roofing shingles A method for making laminated roofing shingles includes providing a substantially continuous sheet of shingle material, cutting the sheet material at a first cutting station to define a first pair of longitudinal strips having interdigitating tabs with a ... | 04/08/2003 |
| 6523316 | Composite shingle having shading zones in different planes A laminated single is provided, having lighter and darker granule portions visible from the front, at different planes; the front-most or anterior plane generally having granules of lighter shading and the more rearward or posterior plane generally having... | 02/25/2003 |
| 6487828 | Tabbed shingles length cut at mid-tab A granule covered roofing shingle has a lower, tab portion, an upper, headlap portion, a first end and a second end, the shingle being suitable for installing on roof decks end-to-end with similar shingles in overlapping longitudinal courses, the tab port... | 12/03/2002 |
| 6457290 | Shingle with a rendered shadow design A laminated shingle has a rendered shadow design when placed with other similar shingles on a roof deck. The laminated shingle includes an overlay member and an underlay member fixedly attached to each other. The overlay member includes an upper or headla... | 10/01/2002 |
| 6457279 | Flashing member and frame for a roof-penetrating building part A flashing frame for a roof-penetrating building part, in particular in a roof window frame, comprises mutually connected frame members (6, 12) of weather-shielding material for positioning along the sides (1-4) of the roof-penetrating building part adjoi... | 10/01/2002 |
| 6455113 | Artificial snow tile system An artificial snow tile system made up of one or more artificial snow tiles, which are optionally backlightable and wind-resistant, for affixing to a surface; an artificial snow tile having a rough surface having a dull white luster to resemble one or mor... | 09/24/2002 |
