Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 8146616 | Drainage device for arrangement on a floor tile having a drain water aperture and arrangement of such a drainage device on a floor tile Drainage device for arrangement on a floor tile, the drainage device, when at least partially assembled in the floor, has at least two pipe lengths moveable relative to one another in such a way that a movement of the pipe lengths relative to one another allows an a... | 04/03/2012 |
| 7735512 | Floor drain installation system A floor drain installation system includes an adaptor attached to a drain pipe projecting from the ground, a coring sleeve having a bowl-shaped upper end attached to or integral with the adaptor, and a coring plug received within the bowl of the receiver to close of... | 06/15/2010 |
| 7472719 | Drainage device for arrangement on a floor tile having a drain water aperture and arrangement of such a drainage device on a floor tile Drainage device for arrangement on a floor tile, the drainage device, when at least partially assembled in the floor, has at least two pipe lengths moveable relative to one another in such a way that a movement of the pipe lengths relative to one another allows an a... | 01/06/2009 |
| 7311120 | Expandable pipe stopper An expandable pipe stopper for inserting within a pipe having two rigid circular plates adapted to be inserted wholly within a pipe and an outwardly-expandable flexible seal located between peripheral surfaces of the plates so as to be capable of expanding radially.... | 12/25/2007 |
| 7216670 | Drain apparatus with liquid trap and liquid level indicator A buoyant liquid level indicator device is positioned within liquid drain apparatus having a trough accommodating liquid to form a liquid seal to prevent passage of gas through the liquid drain apparatus. The indicator device will float and be exposed to an outside ... | 05/15/2007 |
| 7178179 | Anti-entrapment drain A drain for swimming pools, spas, whirlpool baths, etc., includes a plurality of first orifices in communication with corresponding serpentine passageways to minimize hair or a body part from covering and entering the first orifices to a degree sufficient to entrap ... | 02/20/2007 |
| 7147000 | Covering device for drain A covering device for a drain includes a first cover and a second cover. The first cover defines a plurality of openings. The second cover defines a plurality of openings corresponding to the openings of the first cover. The second cover is rotationally connected to... | 12/12/2006 |
| 7121228 | Animal waste disposing assembly An animal waste disposing assembly includes a base that has a top side, a bottom side and a peripheral edge extending between the top and bottom sides. The base has a threaded opening extending therethrough. A cylindrically shaped post is attached to and extends awa... | 10/17/2006 |
| 7100632 | Sump liner A sump liner comprising a liner wall joined with a base member, the liner wall extending about the periphery of the base member, the liner wall comprising a primary reservoir portion and a secondary reservoir portion, with a weir extending from the base member and t... | 09/05/2006 |
| 7089607 | Pool drain assembly with annular inlet The swimming pool floor or spa floor drain assembly of the present invention includes a drain body having a mouth positionable in proximity to the pool wall to serve as a fluid flow inlet, a spaced apart fluid flow outlet positionable below the mouth and a sidewall ... | 08/15/2006 |
| 7082961 | Flood relief system An apparatus for flood relief comprising a bell shaped hollow body having a top, a bottom, a top opening suitable for attaching a hose, and a bottom opening; a base ring having a center opening, a bottom surface, a side, an adhesive material on the bottom surface, a... | 08/01/2006 |
| 7080486 | Pass-through firestop device A cast-in-place pass through firestop device for providing a passage in a partition in a structure through which wires, cables, pipes, and the like are run includes a housing having a riser portion with frangible connections that define removable bands that can be r... | 07/25/2006 |
| 7080662 | Rain recycling system A water recycling system and method of use is disclosed for use in a building having a basement with water seepage accumulating in a sump area by providing a holding tank which receives water pumped by a sump pump for later use either in the interior or exterior of ... | 07/25/2006 |
| 7036524 | Waste disposal system for recreational vehicles A sewage draining system for a recreational vehicle. A flexible drainage hose extends from the distal end of sewage pipe on an RV, and a rigid sleeve carries the drainage hose in a first stowed position in which the hose is fully contained in the sleeve and in a sec... | 05/02/2006 |
| 7013912 | Apparatus and system for utility waste and venting An improved high rise building drainage system method and apparatus for conducting waste water from plumbing fixtures, such as lavatories and the like, through prefabricated, modular waste-vent stack units extending through intervals and stack boxes for such units o... | 03/21/2006 |
| 6997207 | Water-heater pan A water-heater pan includes a bottom wall for receiving the bottom of a water heater. The bottom wall defines a relatively narrow, arcuate flow receptacle extending continuously outwardly from a portion of the perimeter of the bottom wall. The flow receptacle define... | 02/14/2006 |
| 6997200 | Water conservation system The invention recirculates and/or recycles fluids normally lost down the drain during the time it takes for a desired temperature to be attained for usage of the hot fluids. A recirculating/recycling valve, through which hot fluids may flow, has an additional port f... | 02/14/2006 |
| 6959723 | Oil sealant-preserving drain odor trap Improvements in retention of the oily liquid sealant (20) in a oil-sealed odor trap (10B-10M), for drain applications such as a waterless urinal or anti-evaporation floor drain, are accomplished by minimizing turbulence in the oil sealant, such ... | 11/01/2005 |
| 6938639 | Disposable fluid control island A system and method for collecting distending medium or other fluids discharged during surgical procedures is shown. Also shown is a method for reducing the risk of hyponatremia. The apparatus makes it practical to determine the amount of distending medium retained ... | 09/06/2005 |
| 6854479 | Sump liner A sump liner comprising a liner wall joined with a base member, the liner wall extending about the periphery of the base member, the liner wall comprising a primary reservoir portion and a secondary reservoir portion, with a weir extending from the base member and t... | 02/15/2005 |
| 6851446 | Adaptor especially for use in connection with swimming pool return lines Adaptor assemblies are detailed. Preferably for connecting automatic pool cleaning apparatus to return lines of swimming pool water-circulation systems, the assemblies utilize spurs that may affirmatively grip, or cut or gouge into, the return lines to retain the ad... | 02/08/2005 |
| 6848468 | Drain cover assembly A drain cover assembly includes a closure device operable so as to close and open a drain hole in a cover plate of a drain cover unit. The closure device includes a pivot arm having a mounting portion connected pivotally to the cover plate, a flow control portion ex... | 02/01/2005 |
| 6843036 | Joist bridging system A system for reinforcing, securing and stiffening a plurality of joists comprising a band extending across the top of a series of joists and connected to the joists and with a series of truss members attached to the underside of the band and extending between and ab... | 01/18/2005 |
| 6810537 | Pool floor drain assembly for a suction-activated water circulation system The swimming pool floor or spa floor drain assembly of the present invention includes a drain body having a mouth positionable in proximity to the pool wall to serve as a fluid flow inlet, a spaced apart fluid flow outlet positionable below the mouth and a sidewall ... | 11/02/2004 |
| 6779553 | Emergency backflow system An emergency backflow system includes a drain bowl and a holding tank fluidically connected to a utility sewer line. The holding tank is connected to the sewer line via a drain line, and the drain line can be fluidically separated from the drain bowl by a conduit ha... | 08/24/2004 |
| 6719004 | Check valve floor drain A method and apparatus for admitting liquid from a draining surface into a drain conduit and for preventing discharge of waste gas from the drain conduit into the atmosphere in response to a higher pressure in the drain conduit than at the draining surface. The meth... | 04/13/2004 |
| 6695002 | Outside drop for manhole A collar for supporting or protecting pipes on an outside drop adjacent a manhole is provided. A plurality of stacked collar sections can protect pipes comprising the outside drop. Alternatively a plurality of collar segments having a circular wall within... | 02/24/2004 |
| 6637453 | Disposable surgical and diagnostic fluid control island A device and method for collecting distension media or other fluids discharged during surgical procedures is shown. Also shown is a method for reducing the risk of hyponatremia. The apparatus makes it practical to determine the amount of distension media ... | 10/28/2003 |
| 6626201 | Apparatus for preventing reverse flow in drainage An apparatus for preventing reverse flows in a drainage is disclosed. In this apparatus, a floating device (41) and a reverse flow preventing device (54) act mutually in opposite directions owing to the floating force and the water pressure, and thus the ... | 09/30/2003 |
| 6568419 | Disposable fluid control island A disposable fluid control island for workers is made of a broad, shallow tray or flat open-topped container that is filled with a stiff mesh, grid, grille or net upon which workers may stand. Water, oil, blood and other liquids pass through the mesh easi... | 05/27/2003 |
| 6425411 | Oil sealant-preserving drain odor trap Improvements in retention of the oily liquid sealant (20) in a oil-sealed odor trap (10B-10M), for drain applications such as a waterless urinal or anti-evaporation floor drain, are accomplished by minimizing turbulence in the oil sealant, such as by maki... | 07/30/2002 |
| 6408452 | Automatic shut-off valve An automatic shut-off valve for installation on a swimming pool or spa main drain. The automatic shut-off valve has a ball and ball spring between a diaphragm and a housing. The diaphragm is made of resilient material. Downward force on the diaphragm urge... | 06/25/2002 |
| 6318397 | Side port floor drain An improved floor drain for buildings, basements, exterior paved areas, and the like. The invention provides floor drain assemblies and floor drains providing improved drainage performance, particularly where drainage is an irregular occurrence, and havin... | 11/20/2001 |
| 6314988 | Flood control valve assembly A flood control valve assembly designed to be removably connected to the outer or exposed end of a drain pipe and structured to allow water to enter the drain pipe in the conventional fashion but prevent water from issuing from the open, outer end of the ... | 11/13/2001 |
| 6314590 | Drainage device A drainage device (1) for a waste water outlet (12) includes an outer tubular member (102) adapted to fit within the waste water outlet (12). An inner tubular member (103) is located within the outer tubular member (102). The interior of the inner tubular... | 11/13/2001 |
| 6311721 | Residential drain line stop valve A resilient, deformable sewage back flow stop plug is disclosed that may be comformably compressed within a junction between a structure sewage effluent line and a sewer main. The plug is sized such that, when compressed, it deforms and conformably seals ... | 11/06/2001 |
| 6295661 | Automatic shut-off valve An automatic shut-off valve for installation on a sing pool or spa main drain. The automatic shut-off valve has a soft gasket, ball, and ball spring between a grate and a housing. The grate is free to reciprocate up and down relative to the housing. Downw... | 10/02/2001 |
| 6273124 | Check valve floor drain An improved floor drain for buildings, basements, exterior paved areas, and the like. The invention provides floor drain assemblies and check valves providing improved drainage performance, particularly where drainage is an irregular occurrence, and havin... | 08/14/2001 |
| 6202689 | Fluid-collecting receptacle having hinged upper sheet A fluid-collecting receptacle includes a fluid-impervious base sheet having an upstanding perimeter lip, a sloping floor, and a fluid outlet in the floor. A porous support member is disposed atop the upper surface of the base sheet and a porous, flexible ... | 03/20/2001 |
| 6196257 | Method and device for directing water-flow to horizontal floor-drain A method and device that aid persons in directing the dirty water being pushed along the horizontal floor-surface toward and into the drain-hole of the floor. The device is provided with a main housing-insert which is capable of being inserted into the op... | 03/06/2001 |