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| Number | Title | Issue Date |
| 7820237 | System for manufacturing a granule covered roofing shingle having a national shingle color A system for manufacturing a granule covered roofing shingle includes establishing at least two sources of granules. A standardized process for manufacturing granules having a standardized appearance is then established, wherein a color of the granules from one of t... | 10/26/2010 |
| 7776391 | Variable thickness shingles A method of manufacturing roofing shingles comprises the steps of: coating a continuously supplied shingle mat with roofing asphalt to make an asphalt-coated sheet, the asphalt-coated sheet having at least one prime portion and at least one headlap portion, varying ... | 08/17/2010 |
| 7541059 | Roofing materials having engineered coatings An asphalt-based roofing material includes a coating having a top portion containing a mixture of asphalt and igneous and/or metamorphic rock particles, while the mat portion of the coating contains a mixture of asphalt and a filler which contains less than 10% igne... | 06/02/2009 |
| 7291358 | Method of forming a prefabricated roofing or siding material A roofing or siding system having an improved average resulting reflectivity. The roofing and/or siding system is at least partially coated with a plurality of granules. At least one layer of paint is applied to the roofing and/or siding system to increase the resul... | 11/06/2007 |
| 7163716 | Method of depositing granules onto a moving substrate A method for depositing granules (48) onto a substrate (14) comprises providing a hopper (36) for granules with a discharge slot (46), moving a gate (50) across the slot to open and close the slot so that when the slot is open gran... | 01/16/2007 |
| 7125579 | Algae-resistant roofing material and methods A method of making algae-resistant shingles in which the algae-inhibiting material, usually a copper compound, is applied only to larger granules, instead of being applied to a full size range of granules. Use of the larger granules only, as algae-resistant granules... | 10/24/2006 |
| 6965748 | Drive roller for belt in an electrophotographic image forming apparatus An electrophotographic image forming apparatus comprises a drive roller having a textured finish with a plurality of microscopic protrusions and a plurality of microscopic depressions; the drive roller comprising a shaft and a surface coating on the shaft; a flexibl... | 11/15/2005 |
| 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 |
| 6933007 | Method of forming an improved roofing material A method of coating highly reflective granules on an adhering material of a roofing or siding material to form a roofing or siding material having an average resulting reflectivity on an upper surface of at least about 45%. The method includes the selecting of highl... | 08/23/2005 |
| 6887515 | Fire-resistant, self-adhesive rolled roofing membrane and method of making same A fire resistant, self-adhesive rolled roofing membrane is used on low sloped roofs for insulating a surface from weather. The roofing membrane includes an asphalt-saturated fibrous material having a roofing surface area, for example, roofing granules on a portion o... | 05/03/2005 |
| 6777023 | Method and apparatus for monitoring granule coloration on an asphalt coated sheet A method of producing asphalt strip shingles includes continuously coating a substrate with asphalt to form an asphalt coated sheet, moving the asphalt coated sheet in a machine direction, depositing blend drops of blend drop granules onto the asphalt coated sheet f... | 08/17/2004 |
| 6709994 | Storm proof roofing material An asphalt-based roofing material includes a substrate coated with an asphalt coating, a protective coating adhered to the upper surface of the asphalt coating, a layer of granules adhered to the protective coating, and a web bonded to the lower region of the asphal... | 03/23/2004 |
| 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 |
| 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 |
| 6582760 | Blend drop conveyor for deposition granules onto an asphalt coated sheet A method of applying blend drop granules to an asphalt coated sheet includes moving an asphalt coated sheet in a machine direction, depositing a blend drop of granules on a blend drop conveyor that is moving at a first speed, changing the speed of the ble... | 06/24/2003 |
| 6511704 | System and method for depositing granules in a frame pattern The method of depositing granules in a frame pattern includes moving an asphalt-coated web and depositing successive granule blend drops on the web. The first blend drop has a first color and forms a first blend drop pattern defining an inner region. The ... | 01/28/2003 |
| 6485781 | Metal roofing shingle stock and method for making it This invention relates to a method for embedding a multiplicity of discrete masses of material in a resinous coating on a sheet of metal in a coil coating system. The sheet is coated, the masses are embedded in the wet resinous coating, and the coating is... | 11/26/2002 |
| 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 |
| 6440216 | Apparatus for depositing granules onto an asphalt coated sheet A method of applying blend drop granules to an asphalt coated sheet includes moving an asphalt coated sheet in a machine direction, generating vertically moving blend drops of granules and directing the vertically moving blend drops of granules into conta... | 08/27/2002 |
| 6426309 | Storm proof roofing material An asphalt-based roofing material includes a substrate coated with an asphalt coating, a protective coating adhered to the upper surface of the asphalt coating, a layer of granules adhered to the protective coating, and a web bonded to the lower region of... | 07/30/2002 |
| 6358561 | Rotatable coating hopper Apparatus and process for coating a continuously advancing web with a dry or wet coating material on a conveyor belt. The apparatus having a hopper which contains an agitator, a brush and a knurled roll to accurately dispense the coating material to an ap... | 03/19/2002 |
| 6355132 | Multi-layered shingle and method of making same A method is provided of continuously producing a plurality of laminated shingles, including the steps of advancing a fiber sheet, waterproofing the sheet, applying granules thereto, cutting and separating the sheet into a plurality of strips which are pos... | 03/12/2002 |
| 6319545 | Method for constructing a resilient surface A method of constructing a resilient surface layer of particles bound together and to a base surface comprises uniformly dropping dry rubber particles from a moving apparatus and spraying the particles with a liquid, water based, latex binder as the parti... | 11/20/2001 |
| 6245381 | Manufacture of composite roofing products with matrix formulated microbiocide This invention discloses improved residential roofing products with durable active protection against algae discoloration. Versatile organometallic salts and chelates for this purpose are incorporated in manufacture of composite concrete tile and asphalt ... | 06/12/2001 |
| 6228422 | Shuttle cutoff for applying granules to an asphalt coated sheet An apparatus for dispensing granules onto a moving asphalt coated sheet includes first and second granule feed chambers containing granules that are fed to a discharge slot by first and second pockets. The pockets are formed in a slidable divider position... | 05/08/2001 |
| 6190754 | Variegated shingle and method of manufacture The variegated shingle comprises a shingle layer having front and rear surfaces the front surface including a butt portion and a headlap portion. The shingle layer contains granules on the front surface forming a plurality of horizontal striations providi... | 02/20/2001 |
| 6174403 | Muli-layered and colored shingle and method of making same A method for the production of a laminated shingle wherein at least two strips of a continuously advancing sheet are coated with differently colored aggregates of granules. Present among one of the aggregates are a multitude of granules having at least on... | 01/16/2001 |
| 6120838 | Method of manufacturing roofing materials utilizing reclaimed asphalt-based materials A recycled asphalt roofing material for use on sloped roofs, which provides the required elevated melt point without using prior art methods of oxidizing the asphalt prior to incorporation into the roofing material is provided. The recycled asphalt roofin... | 09/19/2000 |
| 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 |
| 5814369 | System and method for depositing media in a pattern on a moving sheet using a media retaining member A system and method for depositing a pattern of media on a moving surface includes a media depositing apparatus that deposits media in a predefined pattern on the moving surface. A media applicator roll having a media receiving region, such as engraved or... | 09/29/1998 |
| 5795622 | Method of rotating or oscillating a flow of granules to form a pattern on an asphalt coated sheet In a method of forming a pattern of granules on an asphalt coated sheet moving in a machine direction, a flow of separate first granules and second granules is discharged onto the sheet. The flow of granules is rotated to form a pattern of first and secon... | 08/18/1998 |
| 5776541 | Method and apparatus for forming an irregular pattern of granules on an asphalt coated sheet In a method of forming an irregular pattern of granules on an asphalt coated sheet, a flow of granules is discharged toward the sheet. The granules are deflected onto the sheet with a deflector having an irregular surface to form a granule deposit having ... | 07/07/1998 |
| 5766678 | Method and apparatus for applying granules to an asphalt coated sheet to form a pattern having inner and outer portions In a method of forming a pattern of granules on a moving asphalt coated sheet, a blend drop of first and second granules is discharged onto the sheet. The blend drop forms a granule deposit on the sheet including an inner portion of first granules and an ... | 06/16/1998 |
| 5747105 | Traversing nozzle for applying granules to an asphalt coated sheet A method for applying granules to a moving asphalt coated sheet includes providing a nozzle for discharging granules onto a sheet having first and second edges. The nozzle is mounted for movement along a path which traverses the sheet and extends beyond t... | 05/05/1998 |
| 5718787 | Integration of asphalt and reinforcement fibers A method for producing asphalt fibers includes supplying molten asphalt to a rotating asphalt spinner, centrifuging asphalt fibers from the asphalt spinner, and collecting the asphalt fibers. The molten asphalt is supplied to the asphalt spinner at a temp... | 02/17/1998 |
| 5599581 | Method for pneumatically controlling discharge of particulate material A method for dispensing or depositing particulate material includes accumulating particulate material in a nozzle having an opening at the bottom for discharging the particulate material, and applying positive air pressure to a buffer chamber positioned i... | 02/04/1997 |
| 5565239 | Method of making asphaltic roofing material containing class F fly ash filler Asphaltic roofing material, such as roll or shingle roofing, employs Class F fly ash as the filler to the asphaltic base material. The fly ash is readily heated and promotes a more rapid cooling of the composite asphaltic web prior to rolling or cutting i... | 10/15/1996 |
| 5520889 | Method for controlling the discharge of granules from a nozzle onto a coated sheet A method for applying granules to a coated sheet, and in particular a coated asphaltic sheet for use in the manufacture of roofing, comprises controlling a fluid (e.g., pneumatic) counterflow through the discharge opening of a nozzle which holds an accumu... | 05/28/1996 |
| 5405647 | Method for applying granules to a moving coated asphalt sheet to form areas having sharp leading and trailing edges The method for applying granules to a moving coated asphalt sheet includes selecting blend drop areas on the sheet, the remainder of the sheet comprising background areas, depositing background granule drops on portions of the background areas such that t... | 04/11/1995 |
| 5186980 | Roofing shingles and method of making same A method of making roofing shingles in several lanes in which, after the asphalt saturated base sheet is covered with a first granule layer, a pattern of asphalt patches is printed on each lane and contrasting color granules are adhered to the patches. Ea... | 02/16/1993 |
