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 |
| 7971406 | Shingle layer or shingle having thick appearance A shingle layer of shingle is provided having an increased thickness adhesive coating on at least a portion of its rear surface, with granules embedded therein, with the granules being of a size range that is larger than the fine particles normally applied to the re... | 07/05/2011 |
| 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 |
| 7204063 | Roofing shingle with headlap seal and improved coverage A roofing shingle for enhanced wind/rain durability embodies two transverse lines of adhesion. A first discontinuous line of adhesive joins the butt edge of an overlying shingle to the underlying shingle. Secondly, a band of sealant adjacent the top edge of an under... | 04/17/2007 |
| 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 |
| 7117651 | Rainscreen clapboard siding A generally rectangular siding panel having a front and rear faces is provided. The siding panel has at least one protrusion disposed along at least one of the faces, wherein the at least one protrusion provides an air gap between the siding panel and a face of a se... | 10/10/2006 |
| 7073295 | Front fold ridge cover and method of making A shingle ridge cover is formed from an elongate sheet of shingle roofing material back folded on itself to provide a folded and thickened front lower edge of the shingle ridge cover. The shingle ridge cover provides upwardly disposed stripes of adhesive material pr... | 07/11/2006 |
| 7048990 | Dual layer shingle A shingle formed from a base sheet, with a layer of polymer modified asphalt coating the top of the base sheet, and a layer of conventional oxidized asphalt, free from polymer additives, coating the bottom of the base sheet. Both layers preferably directly contact t... | 05/23/2006 |
| 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 |
| 6910307 | Architectural molding An architectural molding includes an extruded flexible plastic foam member having a front side, a rear side and a cross sectional profile. Also included is a layer of pressure sensitive adhesive affixed to at least a portion of the rear side and a release strip rele... | 06/28/2005 |
| 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 |
| 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 |
| 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 |
| 6526717 | Unitary modular shake-siding panels, and methods for making and using such shake-siding panels Unitary modular shake panels and methods for making and using such shake panels. In one aspect of the invention, a unitary modular shake panel includes an interconnecting section composed of a siding material and several integral shake sections projecting... | 03/04/2003 |
| 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 |
| 6467235 | Method and apparatus for making a thick-appearing shingle A shingle and a method of and apparatus for making the shingle is provided, whereby patches of preselected granules or combinations of granules are provided, separated by transverse areas of different, preferably darker granules, having slots centrally th... | 10/22/2002 |
| 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 |
| 6421976 | Shingle for optically simulating a tile 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... | 07/23/2002 |
| 6397546 | Laminated shingle Laminated shingles are manufactured from roll stock roofing material that is wider than that used to make similar laminated shingles. The roll stock includes longitudinal edge strips having a reduced thickness. The roll stock is cut into strips of tabbed ... | 06/04/2002 |
| 6361851 | Composite roofing shingle A composite roofing shingle coated with weather resistant granules on its exposed surface which comprises (a) a top member having an upper undivided headlap section and a lower butt section comprising spaced tabs depending from said headlap and (b) a bott... | 03/26/2002 |
| 6351913 | Folded ridge cover and method of fabrication An asphalt composition ridge cover and method of forming the same whereby a decorative appearance somewhat resembling that of a shake roof ridge cover is achieved. The ridge cover generally is a pair of flat, approximately rectangular pieces of asphalt co... | 03/05/2002 |
| 6276107 | Unitary modular shake-siding panels, and methods for making and using such shake-siding panels Unitary modular shake panels, and methods for making and using such shake panels. In one aspect of the invention, a unitary modular shake panel includes an interconnecting section composed of a siding material and several integral shake sections projectin... | 08/21/2001 |
| 6212843 | Thick-appearing shingle and method and apparatus for making same A shingle and a method of and apparatus for making the shingle is provided, whereby patches of pre-selected granules or combinations of granules are provided, separated by transverse areas of different, preferably darker granules, having slots centrally t... | 04/10/2001 |
| 6205734 | Shingle A multi-layer shingle is made by cutting an anterior layer of shingle material to have a headlap area and a tab area, and with a plurality of tabs being present in the tab area, separated by slotted openings. The tab area of the anterior layer has a prede... | 03/27/2001 |
| 6195951 | 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 lane generally having granules of lighter shading and the more rearward or posterior plane generally having... | 03/06/2001 |
| 6182400 | Folded ridge cover and method of fabrication An asphalt composition ridge cover and method of forming the same whereby a decorative appearance somewhat resembling that of a shake roof ridge cover is achieved. The ridge cover generally is a pair of flat, approximately rectangular pieces of asphalt co... | 02/06/2001 |
| 6145265 | Laminated shingle Laminated shingles are manufactured from roll stock roofing material that is wider than that used to make similar laminated shingles. The roll stock includes longitudinal edge strips having a reduced thickness. The roll stock is cut into strips of tabbed ... | 11/14/2000 |
| 6112492 | Shingle having ribs and cavity on its underside A roofing shingle includes organic, resinous material and an inorganic filler material, the single having a top surface, two side surfaces, an upper end, and a lower or butt end, defining a cavity on the underside of the shingle, with ribs positioned with... | 09/05/2000 |
| 6092345 | Method of making a shingle A method is provided for making a shingle by cutting a layer of shingle material to have a headlap area and a tab area, and with a plurality of tabs being present in the tab area, separated by slotted openings. The tab area of the shingle is made to have ... | 07/25/2000 |
| 6058670 | Laminated roofing and siding shingle The present invention relates to a laminated roofing and siding shingle unit including (a) a rectangular shingle sheet having an undivided headlap portion and a lower butt portion divided into tabs of a given color which are uniformly spaced from each oth... | 05/09/2000 |
| 6044608 | Laminated shingle This invention is directed to a multi-layer laminated shingle, wherein each shingle layer has granule and bituminous coated web, with the layers laminated together and with the butt zone of the base layer disposed against a bottom surface of the tab zone ... | 04/04/2000 |
| 6038827 | Trilaminate roofing shingle A trilaminated roofing shingle comprising: (a) an anterior layer consisting essentially of a rectangular, granular surfaced shingle sheet having an undivided headlap portion and a butt portion comprising a plurality of tabs of an average given breadth sep... | 03/21/2000 |
| 6021611 | Shingle having ribs and a cavity on its underside A roofing shingle includes organic, resinous material and an inorganic filler material, the single having a top surface, two side surfaces, an upper end, and a lower or butt end, defining a cavity on the underside of the shingle, with ribs positioned with... | 02/08/2000 |
| 6010589 | Method of making laminated shingles This invention is directed to a multi-layer laminated shingle, wherein each shingle layer comprises granule and bituminous coated web, with the layers laminated together and with the butt zone of the base layer disposed against a bottom surface of the tab... | 01/04/2000 |
| 5996300 | Rolled shingle roofing material and method of installation An assembly including rolled shingle roofing material that can be easily installed on a roof and a special handling tool. The tool reduces the strain of carrying the roofing material and of raising to the roof. The roofing material includes a membrane att... | 12/07/1999 |
| 5961780 | Apparatus for making a shingle Apparatus is provided for making a multi-layer shingle by cutting an anterior layer of shingle material to have a headlap area and a tab area, and with a plurality of tabs being present in the tab area, separated by slotted openings. The tab area of the a... | 10/05/1999 |
| 5953877 | Shingle A multi-layer shingle is made by cutting an anterior layer of shingle material to have a headlap area and a tab area, and with a plurality of tabs being present in the tab area, separated by slotted openings. The tab area of the anterior layer has a prede... | 09/21/1999 |
| 5950387 | Wind-resistant shingle and method of applying A shingle and a method of applying the same to a roof is disclosed, in which the shingles are wind-resistant, opposing being torn from a roof by wind or the like. The shingles each include a pair of vertically spaced-apart lines extending horizontally acr... | 09/14/1999 |
| 5664385 | Shingle with slots and method of making same A roofing shingle having a series of closely adjacent areas of granules, the areas being of differing colors. To achieve a sharp visual demarcation between the adjacent areas, narrow slots are formed in the transition areas between adjacent areas of granu... | 09/09/1997 |
| 5660014 | 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 havin... | 08/26/1997 |
| 5615523 | Roof having resinous shingles A roof includes a roof deck and a plurality of roofing shingles where the roofing shingles have the appearance of a wooden shake shingle and comprise organic, resinous material in, preferably a plastic material, an amount within the range of from about 16... | 04/01/1997 |
