Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7818928 | Conduit drain The present invention relates to a conduit drain for removing liquid condensation in a vertical conduit. Moisture flows down the interior walls of the conduit and collects in a collection lip in the conduit drain. A drain channel is produced around the inner circumf... | 10/26/2010 |
| 7302779 | Method and apparatus for masonry chimney flue repair An apparatus for repairing cracks, crevices, joints, and other discontinuities in a chimney flue liner, comprises a flexible, resilient applicator having a liquid impervious rubberized coating. An electrical vibrator is installed within the applicator, for tamping t... | 12/04/2007 |
| 7140646 | Shield for wall penetration of flexible tubing A shield designed to be installed in exterior frame walls of buildings for the penetration of flexible tubing, cabling, or wiring. Comprised of a round, rectangular or square sleeve attached to mounting plate(s) or angle(s). The mounting plates or angles have holes ... | 11/28/2006 |
| 7014555 | Method and apparatus for extending a chimney A flue liner insert with individually adjustable sides, which can be used to fasten to, extend and join two rectangular masonry clay flue tiles. Specifically, this flue liner insert fits into the interior of a clay tile and allows adjustable fastening to existing ma... | 03/21/2006 |
| 6988336 | Fireplace enclosure A prefabricated fireplace enclosure (10) configured and arranged for compact packaging which comprises first and second side panels (20, 21), first and second mounting members (40, 44) securable to the exterior wall of a building, a rear panel (... | 01/24/2006 |
| 6959903 | Cast in place chimney form A cast in place chimney form and installation method therefor. The cast in place form being of a relatively light weight construction and having physical and visual features that allow it to be used as a chimney cap form and to be left as an element of the finished ... | 11/01/2005 |
| 6954947 | Pluming vent cover A pluming vent cover is described herein which is easily manufactured and adapted to a roof on or off-site. A roof's pluming vent pipe requires a cover for both aesthetics and improved operation. In the preferred embodiment the pluming vent cover comprises an upper ... | 10/18/2005 |
| 6927358 | Vacuum seal protection in a dielectric break In one aspect of the invention is a method to create a vacuum seal with extended lifetime to form a dielectric break in a vacuum chamber. The method includes the use of an elastic dielectric seal to form a high vacuum seal. It also includes the use of different mean... | 08/09/2005 |
| 6926600 | Chimney cap apparatus and method A cap for a flue opening of a chimney in order to enhance draw of smoke and in order to protect from entry of animals and debris. The device includes sidewalls fabricated from flat sheet metal and a top attached to the sidewalls from fasteners. A plurality of louver... | 08/09/2005 |
| 6921327 | Exhaust pipe cover An exhaust pipe cover adapted to resist wind-induced uplift and entry of any accompanying and/or independent rain, snow, dirt, dust, and/or other foreign matter, into the exhaust pipe and communicating engine, wherein such a device may be retrofitted to existing ver... | 07/26/2005 |
| 6918827 | Universal chimney cap A chimney cap and a method for making the same are described. The chimney cap is more consistently and uniformly manufactured, which permits nesting. This is accomplished by forming the cap from single piece of expanded metal to create a substantially square or rect... | 07/19/2005 |
| 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 |
| 6748941 | Foam fireplace construction A fireplace system, constructed of modules including a firebox, a chimney housing, and a base, each module substantially a block of foam. The firebox has a fire cavity which is lined with fire resistant board to protect the foam from direct exposure to heat. The chi... | 06/15/2004 |
| 6543187 | Housing for enclosing the juncture between a roof and a conduit extending through the roof A conduit housing for enclosing the juncture between a roof and an elongated conduit such as flexible cable or a pipe extending upwardly through the roof is disclosed. The housing may be installed while the conduit remains in situ and without disconnectin... | 04/08/2003 |
| 6539602 | Method of repairing coke oven Repairing a chamber coke oven by heat-insulating a repair space in the oven, dividing a brick wall in a portion to be repaired into a plurality of layers stacked one above another, dismantling and removing the brick wall in the repaired portion, and carry... | 04/01/2003 |
| 6508907 | Chimney crown installation system A crown installation system for forming a crown in place on a pillar in a manner that avoids the need for heavy and complicated concrete form structures. The crown installation system includes a kit for forming a crown on a pillar, such as a chimney, havi... | 01/21/2003 |
| 6360490 | Containment system The containment system of this invention is an enclosure that includes an air supported canopy having walls and flooring to enclose a portion or an entire structure. The canopy is generally a flexible, puncture, air impermeable, and cut resistant canopy s... | 03/26/2002 |
| 6199345 | Method and apparatus for seismically retrofitting a household chimney A method and apparatus for seismically retrofitting pre-existing household brick chimneys is described to meet current building codes. Vertical steel rebar and horizontal chimney anchors are inserted into the chimney and a polymer concrete is poured betwe... | 03/13/2001 |
| 6109257 | Modular chimney The present invention encompasses a modular chimney having a fireplace, a smoke chamber, and a plurality of modular blocks, forming at least one stack of blocks, the stack of modular blocks defining a chimney passage that is in fluid communication with th... | 08/29/2000 |
| 5966886 | Method for partially building and/or repairing at high temperatures industrial facilities including a structure made of refractory materials, and prefabricated element therefor A method for repairing industrial facilities at high temperatures using at least one prefabricated element (1) made of mullite-crystallized refractory product with an alumina content of 30-80%, preferably 50-80%, made of refractory materials securely atta... | 10/19/1999 |
| 5937601 | Simulated brick chimney block A chimney is constructed from a plurality of precast chimney blocks. Each of the chimney blocks is of unitary construction and contains one or more decorative surfaces having the appearance of a simulated brick or stone pattern. The chimney blocks are mad... | 08/17/1999 |
| 5878538 | Device, particularly for compensating the internal and external pressures in a double-glazing unit A device, particularly for compensating the internal and external pressures in a double-glazing unit, such double-glazing units comprising a frame which supports two sheets made of at least partially transparent material, a chamber being formed between th... | 03/09/1999 |
| 5860256 | Two-piece roof vent flashing and method for making same An improved two-piece roof flashing comprises a thermoplastic hard base and an elastomeric rain collar. The hard base comprises a planar base plate with a central dome-like portion, with the dome-like portion having a central opening with a solid flange i... | 01/19/1999 |
| 5832682 | Chimney moisture seal A chimney moisture seal for use in combination with a chimney bounded by at least one wall of a building. The building having at least one roof having a predetermined level. The chimney having at least one end portion extending through the roof. The chimn... | 11/10/1998 |
| 5761861 | Apparatus and method for forming a reduced weight masonry column A lightweight stone-work column apparatus (20) including a side wall assembly (20) formed from a plurality of stone-work pieces (32) in side-by-side relation. A mortar material (31) is adhesively mounted to the collective backsides and joints (20) of and ... | 06/09/1998 |
| 5735082 | Chimney access with floating head Disclosed is a chimney access structure which is particularly well adapted for use in grounds subject to freezing. This structure incorporates chimney provided with an upper end on which is mounted an adaptor provided with a vertical through-hole and with... | 04/07/1998 |
| 5605028 | Sealing joints between cementitious articles Joints between vertical shafts such as concrete manhole elements are sealed by an elastomeric ring and a rigid locating ring. The locating ring keys into the elastomeric ring and holds it in place during and (optionally) after assembly. The principle is a... | 02/25/1997 |
| 5595030 | Vent stack frost build up inhibitor An aparatus adapted to be mounted on a sewer vent stack to inhibit frost buildup in cold weather including a supporting frame containing a central rotatable shaft with a wind turbine on the end exposed and four vanes on the end within the vent pipe. The r... | 01/21/1997 |
| 5560166 | Expansion joint with protective shielding An expansion joint for protectively shielding a seal member disposed in a joint between two flue sections, includes a first shield member having a foot for attachment to an end of a first flue section, the shield member having a curved panel portion for e... | 10/01/1996 |
| 5502927 | Portable, inflatable tent A portable, inflatable tent has a semi-cylindrical cover portion that fastens to a planar base portion. The cover portion is provided with rib air-passageways that, when inflated, support the cover portion in its semi-cylindrical configuration. Various co... | 04/02/1996 |
| 5493820 | Fire preventing duct system A duct system contains a narrow, liquid tight conduit filled with cold water which can be used to prevent fires in the ducts of chimneys, high rise buildings, restaurants and the like. If a fire starts in a duct, the wall of the duct heats up very slowly ... | 02/27/1996 |
| 5454197 | Apparatus for mounting a tubular safety stanchion-vent element through a roof There is disclosed an apparatus, for mounting a combined roof plumbing vent, and a safety stanchion element, on a roof with its roof covering, the elements having a mounting bracket, in conjunction with the roof beam element, being formed by fixedly conne... | 10/03/1995 |
| 5423152 | Large size cast monolithic refractory repair modules and interfitting ceiling repair modules suitable for use in a coke over repair Large size cast monolithic refractory repair modules which may be used to replace existing silica bricks within a coke oven heating wall. The modules are formed from a castable refractory mix having very high dimensional stability over a wide range of tem... | 06/13/1995 |
| 5383316 | Loop seal expansion joint An expansion joint and flexible seal for refractory lined flues includes a baffle system in combination with a filter element and an air purge system for preventing egress of flue particulates. The baffle system is slideably positionable to accommodate re... | 01/24/1995 |
| 5365703 | Tar holder and associated roofing materials A water, fire and heat proof roof is provided and consists of a tar holder affixed about an inner surface of a parapet, so that a lower portion of the tar holder will overlap and cover curved ends of an upper layer of polymer roof covering material to hel... | 11/22/1994 |
| 5291706 | Modular chimney arrangement Modular chimney components are arranged for interengaging relative to one another, wherein each component includes a base member having a support plate receiving four inner flanges at four corners of the support plate, with second outer flanges projecting... | 03/08/1994 |
| 5263290 | Modular assembly for fire-safety sprinkler, heating/cooling, and lighting/communication system installations A modular assembly applicable to building constructions combines fire-safety sprinkler system piping, heating and cooling system heat exchangers, and lighting system fixtures and communication system wiring into an integrated unit installation. A channel ... | 11/23/1993 |
| 5253455 | Fire damper A fire damper for impeding the spread of fire from the burning of plastic pipes inside a wall or floor structure. The fire damper is installed adjacent to only one side of an opening where the pipe penetrates the structure so that the damper can be added ... | 10/19/1993 |
| 5168674 | Vacuum constructed panels The present invention relates to a method for the construction of prefabricated vacuum panels for the building of residential, commercial or industrial structures offering an extremely high insulating quality comprising; A method is disclosed whereby, a f... | 12/08/1992 |
| 5168862 | Fireplace throat and process A clay throat with a smooth inner surface is provided for a brick fireplace, and a template and process are described for cutting clay flue liners into selected portions for assembly and joining into the configuration of the clay fireplace throat at the s... | 12/08/1992 |
