Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7849636 | Foam distribution parts with integral membrane fastening structures A gutter and sheeting material holding device comprises an elongated body having a bottom wall, and side walls extending from opposed sides of the bottom wall. The bottom and side walls define a gutter for channeling a liquid. Sheet holding channels are provided at ... | 12/14/2010 |
| 7617636 | Splashguard system and method of installation for a screened area A gutter for collecting water from a roof includes a flange having a channel extending along a top edge of the gutter front side. A gutter bracket is positioned entirely within the gutter trough with one end of the gutter bracket and a rear side of the gutter secure... | 11/17/2009 |
| 7428799 | Gutter drainage and debris removal system A rain gutter includes a back wall, bottom member, and front wall, forming an elongated channel. The front wall is pivotally connected along the bottom member for forward movement between an upstanding position and a downward open position. An upright scavenger blad... | 09/30/2008 |
| 7240458 | Transparent plastic film roof and building using the same There is provided a transparent plastic film roof for a building, comprising two transparent plastic films, which are fixed to edge rafters extending from a ridgepole to a ridge plate and are formed in a bag-like structure for serving as a building roof, wherein war... | 07/10/2007 |
| 7121047 | Flashing assembly A flashing assembly that incorporates a plurality of overlapping flashing sections that are each preferably formed from a sheet material. Each section includes opposite edge portions that are arranged about a generally V-shaped configuration. Joining the sections to... | 10/17/2006 |
| 7117643 | Covered rain gutter A rain gutter that includes an overlying, leaf- and debris-shedding cover. The gutter is in the form of a channel having an upwardly-facing opening. The cover overlies the channel opening and includes a convex front edge that is spaced from the front edge of the cha... | 10/10/2006 |
| 7100331 | Directional flow flashing A flashing providing directional vanes, ribbing, scoring or etchings on its working surface which is suitable for joining, or providing backing for, sections of roofing materials, sections of exterior wall material, particularly at corners, and sections of the walls... | 09/05/2006 |
| 7059087 | Corner flashing for windows and the like A flashing and method for installing a window or other portal in a wall opening is provided. The flashing includes a base member with first and second portions that are angled so that an outer surface of the first portion can be disposed against a sill of the openin... | 06/13/2006 |
| 7007429 | Vertical downspouts for gutter system The downspouts attach to the building by flanges extending from the downspout. The downspouts are attachable to standard gutters and elbows. At the corner of a building, downspouts are attachable to each wall forming the corner and an insert extends between the two ... | 03/07/2006 |
| 6993871 | Gutter cover having a unique interlocking bracket The invention is a bracket for installing a gutter cover for ducting rainwater to a rainwater gutter, where the gutter cover prevents debris from entering the gutter. The bracket is roughly shaped like three extended fingers, where each finger is a strut. The struts... | 02/07/2006 |
| 6912813 | Flashing structure A flashing structure for mounting onto a roof surface and used for receiving shingles. The flashing structure includes a first drainage channel extending longitudinally along the flashing structure. The flashing structure also includes a securing lip positioned over... | 07/05/2005 |
| 6732477 | Gutter cap suitable for retrofitting existing gutters The invention is a gutter cap for ducting rainwater to a rainwater gutter, while simultaneously deflecting debris. The invention is particularly suitable for retrofitting pre-existing aluminum gutters. The gutter cap can be installed with minimum tools and with no d... | 05/11/2004 |
| 6672012 | Gutter cover device A gutter cover for directing the flow of rainwater from a building roof into a gutter mounted to the peripheral edge thereof while preventing debris such as leaves and twigs from entering and clogging the gutter. The cover is secured to the roof of the bu... | 01/06/2004 |
| 6412229 | Roof valley water collector A water distributor for directing water from roofing configurations that form an inside roof valley to the rain gutters is disclosed. The water distributor directs the water from the roof valley without the distributor collecting debris or becoming clogge... | 07/02/2002 |
| 6389770 | Containment framing system A containment structure for providing fluid tight seals between translucent panels and a frame and between the frame and an adjoining structural member. The containment structure includes an L-shaped gasket for providing a seal on a first side of the tran... | 05/21/2002 |
| 6349506 | Shingle with integral gutter screen A gutter guard is provided which is constructed from a modified portion of roofing material. A bottom edge of the roofing material extends over the gutter and defines an upper series of openings and a lower series of openings. Beneath the upper and lower ... | 02/26/2002 |
| 6256933 | Roof valley water distributor A water distributor for directing water from roofing configurations that form a roof valley to rain gutters is disclosed. The device directs the water traveling down the roof valley into the rain gutters without collecting debris or becoming clogged with ... | 07/10/2001 |
| 6254039 | Gutter hanging bracket device with rigidity augmenting U-shaped cross-sectional channel construction A gutter hanging bracket device includes an elongated body portion adapted to span an open top of a gutter between front and rear sides of the gutter and having a generally U-shaped cross-sectional channel construction, a forward attachment portion mergin... | 07/03/2001 |
| 6240679 | Easy to clean gutter system This invention is directed to rain gutters and, more particularly, to a gutter system for use with a dwelling that is easy to clean by an individual standing on the ground thereby alleviating the need for a ladder or an individual climbing upon the roof w... | 06/05/2001 |
| 6223474 | Gutter drainer assembly A gutter drainer assembly comprising an elongated flat flexible strip that is dimensioned for installation in a rain gutter to prevent clogging of the rain gutter and downspouts. The strip includes two grooves formed therein and extending longitudinally a... | 05/01/2001 |
| 6185889 | Flat style roof drainage system and low point column head A flat roof drainage system is disclosed which utilizes a low point column head which allows the roof to be drained at the center of a structural member located at the low point of the roof. More specifically, the low point column head is a structural ext... | 02/13/2001 |
| 6151837 | Perforated sheet gutter screen A gutter screen for covering a gutter and preventing debris from falling into the gutter. The gutter screen has an elongate sheet metal member sized and shaped to engage a portion of the gutter and to cover the gutter. The sheet metal member has a general... | 11/28/2000 |
| 6148565 | Roof assemblies A roof assembly for a hipped conservatory roof has a ridge end member and glazing bars mounted thereon via connectors, each connector having a first part mounted on the ridge end member and having a top surface and a second part connected to a glazing bar... | 11/21/2000 |
| 6115970 | Gutter trap A drainage system for a roof gutter and downspout wherein the water and debris from the gutter are directed into a housing divided into two chambers by a perforated wall which permits water to flow therethrough which the debris prevented to travel thereth... | 09/12/2000 |
| 6115976 | Door edge assembly for creating a smoke seal about a closed door mounted within a door frame An assembly for sealing a fire resistant door within a door frame during a fire event is provided. The fire resistant door has a plurality of edges. The assembly comprises a first body portion and a second body portion secured to the first body portion. A... | 09/12/2000 |
| 6085466 | Rain gutter corner segment construction A corner segment construction 10 for rain gutters including a pair of perpendicularly aligned inner walls 21, 22, a generally curved outer wall 23, a floor 26 connecting said walls 21, 22, and 23 together and a pair of contoured drain inserts 24, 25 dispo... | 07/11/2000 |
| 6009672 | Roof valley water collector A water collector for directing water from roofing configurations that form an inside valley to the rain gutters is disclosed. The device collects the water without the device collecting debris or becoming clogged with leaves or twigs that may interfere w... | 01/04/2000 |
| 5960591 | System for securing guttering to the ends of balconies or terraces A system for securing guttering to ends of balconies or terraces essentially consists of a supporting section and a gutter. Securing means are allocated to the supporting section and securing means are allocated to the gutter. Both securing means are arra... | 10/05/1999 |
| 5927027 | Conservatory roofs A valley construction for a conservatory roof comprises a pair of wing members connected together, each wing member providing at opposite sides of the valley locations for attachment of glazing bars.... | 07/27/1999 |
| 5845435 | Fastening support devices and systems for shielded gutters A fastening support device and system particularly suited for shielded gutters is disclosed. The device has upper and lower support arm portions spaced a fixed distance apart and shaped to fit under and nest inside complementary shaped sections of the gut... | 12/08/1998 |
| 5809701 | Drainage system for retractable roof A roof structure to protect a crop growing area includes a retractable roof membrane or curtain that defines pitched sections of the roof. The membrane extends across the valley between pitched sections and apertures are provided in the membrane to allow ... | 09/22/1998 |
| 5752347 | Breakaway gutter A breakaway gutter (30) comprising a flexible trough (32) having a rearward edge (34) permanently connected to a building (36) proximate an overhanging edge (38) of a roof (40) of the building (36). Structures (42) are connected to the building (36), for ... | 05/19/1998 |
| 5678360 | Gutter liquid separator A gutter liquid separator is shown for separating liquid from non-liquid debris and for removing debris from a rain water gutter system secured to a roof of a structure. In a particular embodiment, the gutter liquid separator includes two main components;... | 10/21/1997 |
| 5675939 | Rainwater diverter for sloped roof flashings An improved rainwater diverter for use as the terminal portion of roof flashing is disclosed for covering the abutment of a vertical wall and a sloped roof. The flashing comprises essentially twin, bilaterally symmetrical flanges of which either is adapta... | 10/14/1997 |
| 5655335 | Greenhouse structures and roof structures therefor A greenhouse roof structure for the usual rectangular in plan greenhouse comprises at least two rectangular roof panels each having a lower edge hinged to the structure for movement about a respective horizontal hinge axis. The roof panels are movable abo... | 08/12/1997 |
| 5653067 | Roofing system comprising tiles alternating with roofing beam members A roofing system for industrial buildings is based on a plurality of self-supporting tiles (10), prefabricated from reinforced concrete, having a generally "V"-shaped cross-section, wherein the wings (11) of the "V"-shaped cross-section extend from a long... | 08/05/1997 |
| 5623787 | Tile roof valley guard A resilient mesh elongated guard for the valley between adjoining angled sections of a tile roof wherein the guard is bent into a convex shape and positioned into the valley with the lateral edges of the guard engaging the sides of the opposed faces of th... | 04/29/1997 |
| 5590492 | Roof drainage system A roof drainage system includes an eve trough with end walls keyed for placement on the bottom edge of a fascia, a building corner post forming a drain spout within it, and a soffit channel connecting the eve trough to the drain spout. An alternative eve ... | 01/07/1997 |
| 5581954 | Drainage system for retractable roof A roof structure to protect a crop growing area includes a retractable roof membrane or curtain that defines pitched sections of the roof. The membrane extends across the valley between pitched sections and apertures are provided in the membrane to allow ... | 12/10/1996 |
| 5526612 | Leaf free gutter and downpipe rain head A device for use in association with roof gutters and downpipes for the purpose of removing debris and like items from rainwater as it flows into the downpipe. The device comprises a box compartment having an upwardly facing inclined inlet over which a pr... | 06/18/1996 |
