...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7168211 | Tubular skylight with dome flashing and protective waffle pattern corrugation In a tubular skylight, an Aluminum sheet having corrugations that may be in a waffle pattern is formed with a hole that is pressed into a curb which is fastened over the turret of a roof-mounted skylight flashing. Roof tiles above the dome of the skylight are placed... | 01/30/2007 |
| 7114301 | Flashing for inclined roof and method for installing the same Disclosed is a flashing for weatherproofing an aperture made in an inclined roof to allow passage of a vertical member such as chimney through the inclined roof. This flashing has a base member adapted to be mounted over the aperture and a surrounding member that is... | 10/03/2006 |
| 7040061 | Tubular skylight with dome flashing and protective corrugation In a tubular skylight, a corrugated Aluminum sheet is formed with a hole that is pressed into a curb which is fastened over the turret of a roof-mounted skylight flashing. Roof tiles above the dome of the skylight are placed onto the sheet, while below the dome the ... | 05/09/2006 |
| 6997801 | Roofing vent with sliding collar A roofing vent that includes a base a duct extending from the base. The duct includes a first end attached to the base and a second end having a hood or cover over the second end. A collar having an aperture therethrough is mounted from the duct such that the duct e... | 02/14/2006 |
| 6892499 | Apparatus and method for sealing a vertical protrusion on a roof The present invention is a boot and a method of making a boot for providing a water-tight seal around a protrusion on a roof. The boot may have a top portion adapted to surround a predetermined portion of the protrusion to be covered. The bottom end of the top porti... | 05/17/2005 |
| 6830269 | Apparatus and method for sealing a vertical protrusion on a roof A pipe boot having a vertical portion adapted to surround a predetermined portion of the pipe to be covered, the vertical portion having a top end and a bottom end, wherein the top end has a top opening and wherein the bottom end has a bottom opening; a base portion... | 12/14/2004 |
| 6691469 | Flashing for roof penetrations A flashing for sealing about a roof penetration includes a first sheet having a first edge. The first sheet includes a substantially planar portion and a portion that is inclined with respect to the planar portion. The inclined portion has a recess open a... | 02/17/2004 |
| 6601351 | Pipe flange system A pipe flange system for facilitating replacement of flashing around an electrical service entrance pipe on a roof. The pipe flange system includes a lower flange assembly for engaging a service entrance pipe which includes a lower base portion designed f... | 08/05/2003 |
| 6588801 | Apparatus and method for sealing a vertical protrusion on a roof A pipe boot having a vertical portion adapted to surround a predetermined portion of the pipe to be covered, the vertical portion having a top end and a bottom end, wherein the top end has a top opening and wherein the bottom end has a bottom opening; a b... | 07/08/2003 |
| 6279272 | Full coverage vent pipe flashing A vent pipe flashing system includes a lower flange, a resilient boot portion and a matching sleeve portion. According to a first embodiment, the lower flange is plastic or metal, the resilient boot portion is plastic or rubber, and the sleeve portion is ... | 08/28/2001 |
| 6073418 | Weather resistant chimney cap system A unitary impervious boot member which includes a lip portion at the bottom thereof, which is fitted in substantial close tolerance around a chimney's flu tile. The lip portion of the member is sealed to the base of the upwardly extending flu tile by elas... | 06/13/2000 |
| 5778611 | Vent extension flashing assembly A vent extension flashing assembly having a tubular outside vent stack cover which is secured to a substantially flat roof flashing base plate. The tubular outside vent cover has a diameter larger than the vent pipe to be covered by the vent extension fla... | 07/14/1998 |
| 5647178 | Through-roof fittings A through-roof fitting seals a stack with a boot and seals the boot with a gasket around an opening in a sheet roofing created to receive the stack or pipe. An elliptical opening is cut in the roofing sheet. A base plate is placed below the sheet with a c... | 07/15/1997 |
| 5472241 | Interiorly installable exterior surface mount An exterior surface mount for mounting a member such as a vent or pipe on an inclined roof or a wall of a building in which the member extends through an opening in the wall or roof. The mounting is disposable on the exterior of the wall or roof wholly fr... | 12/05/1995 |
| 5394663 | Pipe flashing vent A vented building includes a structure with a roof, the roof including a sloping support surface having an opening therein and roofing materials on the support surface. A housing with peripheral walls surrounded by and connected to a flashing is mounted o... | 03/07/1995 |
| 5390451 | Flexible high collar roof flashing A roof flashing for sealing an opening in a roof through which an upstanding pipe extends includes a base member having an opening for passage of the pipe and a collar attached to the base member surrounding the opening in the base member for receipt of t... | 02/21/1995 |
| 5328212 | Interiorly installable roof mount A roof mount for supporting a vertically disposed tubular member on an inclined roof of a building in which the tubular member extends through an opening in the roof. The mounting is disposable on the exterior of the roof wholly from within the building. ... | 07/12/1994 |
| 5245804 | Vent pipe shield A roof vent pipe shield comprising an outer plastic cylinder and an inner plastic cylinder connected at one end by portions that are fusion bonded to one another such that there is a space between the cylinders. An outwardly flared portion extends from th... | 09/21/1993 |
| 5226263 | Weather-tight roof flashing shield An improved device for forming a weather-tight seal to a vent pipe and over a roof flashing. The device utilizes a high durability elastomeric material with a truncated conical shape and thickened upper lip to form a rain shed over the roof flashing, ther... | 07/13/1993 |
| 5176408 | Seal device for pipes passing through roof structures A seal device for providing a weather seal between an elongated member such as a pipe, and a surface, such as a roof of a building, through which the pipe extends. The seal device has an apertured base member of resilient material with one end in contact ... | 01/05/1993 |
| 5080007 | Tilted seamless vent and method for making the same A method for making seamless tilted vent comprises the spinning of a mold and a metal sheet to form a tubular member and a flat angular shackle continuously extending from and around the tubular member. The mold is made of a cylindrical member and a flat ... | 01/14/1992 |
| 5018748 | Seal device A seal device for sealing between a surface such as a roof and an elongate member such as a pipe projecting through that surface. A one-piece mounting plate has a planar base portion with an access aperture therethrough, and is composed of metallic, non-r... | 05/28/1991 |
| 5003739 | Chimney facade system A pre-fabricated and modular chimney facade system (10) is provided for a chimney stack (12) passing at least partially therethrough. The chimney facade system (10) is adapted to be secured to a roof member (14) of a building structure. The chimney facade... | 04/02/1991 |
| 4903997 | Roof flashing A roof flashing and method of making same in which both the collar and base member of the flashing are made of elastomeric material. The base member is molded first and has an opening therein surrounded by a stepped flange provided with a series of circum... | 02/27/1990 |
| 4897974 | Vent pipe roof mount A vent pipe roof mount that is attached directly to the inclined roof and forms the sole support for a vertical vent pipe extending through the roof with the roof mount simplifying the installation of a vent pipe since cutting the hole in the roof, instal... | 02/06/1990 |
| 4768812 | Flashing for roof vent pipes A flashing for a roof top vent pipe includes a frusto-conical shield member to enclose a portion of the vent pipe and a support base with a central longitudinal axis extending lateral longitudinaly thereof for mounting and securing upon the roof top. An a... | 09/06/1988 |
| 4652321 | Methods of forming polymer coated fabric roof vent pipe enclosures in flexible roof covering membranes A method of forming roof vent pipe enclosures in one piece, flexible, reinforced roof-covering membranes provides a cylindrical, open ended tube of a membrane material which is heat weldable and a tube base of like heat weldable material which has an open... | 03/24/1987 |
| 4570943 | Sealing flashing for buildings with interlocking ring members A flashing device for use on a building roof to seal about a pipe passing therethrough, comprising a sleeve of rubber or the like through which the pipe may pass with the upper end of the sleeve in sealing contact with the periphery of the pipe. A pair of... | 02/18/1986 |
| 4512119 | Apparatus for roof flashing Apparatus for flashing rooves, particularly inclined rooves, around vent pipes or the like using a relatively thin sheet of material to surround the pipe (10) and form part of the roof. The apparatus comprises an inner sleeve member (12) adapted to fit ov... | 04/23/1985 |
| 4372585 | Sleeve protector for venting pipes A sleeve protector for venting pipes comprising a tubular member attached on one end to a flat portion in an angle that follows the slope of the roof where it is being used and a protector cap reciprocally mounted on the other end of said tubular member a... | 02/08/1983 |
| 4280305 | Roof flashings for use with solar collector A roof flashing structure for use in sealing the tubes and wires leading to and from a solar collector where said tubes and wires pass through the roof has a generally flat plate with an upstanding housing integrally formed with the plate, both of a rigid... | 07/28/1981 |
| 4265058 | Roof flashing structures A roof flashing structure of the type having a generally flat plate with an upstanding housing integrally attached thereto can be improved by forming the upmost periphery of said housing such that it has an inner wall and an outer wall with a channel in b... | 05/05/1981 |