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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 |
| 7350824 | Drain fitting A drain fitting has a unitary body with a lower section and an upper section upstanding from the lower section. The lower section encompasses a space and is open to the drain line to be cleaned. The upper section has a side wall and an inner wall which forms a chann... | 04/01/2008 |
| 7063095 | Drain washing apparatus The present invention relates to apparatus for washing drains. The apparatus includes a support and a nozzle, which are adapted and configured to convey fluid to and to wash a drain. Typically, the apparatus includes a wand as the support and a ball or head as the n... | 06/20/2006 |
| 6295659 | Apparatus for cleaning out drain pipe obstructions An assembly useful in directing a narrow water stream against an obstruction inside drain plumbing includes an exteriortubular housing within which a spray wand may be telescopically received. A resilient seal is engaged to the free end of the wand, for c... | 10/02/2001 |
| 6145135 | Helical drain plunger A drain plunger including an elongate handle having a first end and a second end. A generally cylindrical chamber having a continuous side wall defining a void and having a first end coupled to the handle. A second end of the chamber forms a nozzle defini... | 11/14/2000 |
| 5329646 | Drain flusher device A drain flusher device for dislodging an obstruction in a pipe. The drain flushing device has an elastomeric cylindrical body with an open neck end and nose portion having a thickened end wall. An elongated slit with a predetermined configuration and pred... | 07/19/1994 |
| 5305882 | Self-storing collapsible implement A self-storing collapsible implement includes: a collapsible handle; a grip at the proximal end of the handle; a tool at the distal end of the handle; and a cover, attached to the handle proximate the junction of the grip and the handle for covering and c... | 04/26/1994 |
| 5222533 | Nozzle for use in a catalyst unloader A nozzle is provided for use in discharging a controlled stream of fluid into a reactor tube of a catalyst unloading apparatus for removing non-packed, non-bridging, and packed bridging flowable catalyst and bead material from within the reactor tube. The... | 06/29/1993 |
| 4865062 | Valve assembly for a pipe flushing device An improvement in a pipe flushing device is provided. The device includes a hollow, elastomeric tubular member expandible by water pressure and having open opposite ends. A hose connector is connected to the inlet end thereof and a valve connected to a tr... | 09/12/1989 |
| 4847923 | Water and air whirlpooling double flush toilet clog remover The present invention relates to a water and air whirlpool double flush toilet clog remover having a hollow cylinder, a top cover with air ports attached to the cylinder, a fixed direction filling device having a piston within the cylinder and a hollow pl... | 07/18/1989 |
| 4825900 | Valve assembly for a pipe flushing device An improvement in a pipe flushing device is provided. The device includes a hollow, elastomeric tubular member expandible by water pressure and having open opposite ends. A hose connector is connected to the inlet end thereof and a valve connected to a tr... | 05/02/1989 |
| 4790356 | Drain pipe plug device The drain pipe plug device for drain testing includes an elongated elastomeric, flexible, resilient, hollow, generally cylindrical tube which has a central passageway running its length and in communication with a rear portion bearing an inlet and front p... | 12/13/1988 |
| 4756480 | Apparatus for flushing drains A drain unclogging and clearing apparatus providing an elongated rigid tube having a constricting nozzle at one end capable of increasing the velocity of water flowing through the tube and ejecting such water in a jet, the nozzle being surrounded by a fla... | 07/12/1988 |
| 4736473 | Pressure drain cleaner A pressure drain cleaner including an integral nozzle, coupler and hose attachment fitting with the coupler being sized and shaped to connect to pipes of plumbing systems and to receive a suction attachment that will grip drains of the plumbing systems an... | 04/12/1988 |
| 4475255 | Pipe flushing device The improved pipe flushing device comprises an elongated, elastomeric, hollow tubular member having a middle portion free to expand radially under water pressure. The rear inlet end of the tubular member is fitted with a hose connector, while the narrow f... | 10/09/1984 |
| 4447917 | Water pressure jet cleaner In order to create a water pressure jet cleaner, especially for clogged sinks, which is as simple as possible, quick and handy to use and which can be used with the most widely differing water faucets, it is equipped with a connecting hose (11) with a con... | 05/15/1984 |
| 4238860 | Water-pressure, drain-cleaning device A drain-cleaning device adapted to unclog drains and pipes having various sized openings and toilet bowls having various outlet configurations, the device comprising an inverted flexible and resilient cup defined by a dome-shaped inner wall surface and an... | 12/16/1980 |
| 3937404 | Drain declogging device A drain clearance device comprising a length of flexible hose having at one of its ends means for connecting it to a source of water under pressure and at the other end a nozzle of elliptic contour longitudinally thereof and of a size to fit into a drain ... | 02/10/1976 |
