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| Number | Title | Issue Date |
| 7962974 | Plunger system and method A system and method for a plunger for unclogging a toilet. A plunger system comprising an elongated cylinder, a flexible material at a first end of the elongated cylinder, an air reservoir located inside the cylinder having an outlet extending through the flexible m... | 06/21/2011 |
| 7908681 | Plungers and devices for storing plumbing tools A plunger that operates by a piston to drive a purging flow at relatively high pressure is disclosed. The plunger includes features so that the exterior of the plunger remains in a dry and sanitary condition. An optional storage unit is also disclosed where the stor... | 03/22/2011 |
| 7340783 | Compressed air drain opening device An air plunger is described. The air plunger comprises an upper barrel and a lower barrel slidably received by the upper barrel. An air seal is fixed to the lower barrel and slidably engages with the upper barrel. A nozzle is attached to the lower barrel opposite to... | 03/11/2008 |
| 7328793 | Plunger storage unit A plunger storage unit with a base and a cap secured to the based. The base has a handle receiving void. A handle adapter is received in the handle receiving void. The handle adapter has an inner arc and an outer arc with a land between the inner arc and outer arc. ... | 02/12/2008 |
| 7213273 | High pressure plunger A plunger includes a lever, a pipe, a rod passed through an axial hole of the pipe, a covering member, and a spring; the rod will be upwards displaced when the lever is pivoted upwards; the rod has a passage therein, and a head at an upper end for connection with an... | 05/08/2007 |
| 7188377 | Hand-operable pump A pump having a vessel with a hollow interior. An adaptor may be associated with the vessel and include an opening that facilitates selective flow of fluid relative to the interior. A piston may be slidably mounted within the vessel's interior and movable relative t... | 03/13/2007 |
| 7073211 | Hydraulic plumber's friend A hydraulic plumber's friend has a cylindrical body, a lid, a compression assembly, a tapered end cap and a nozzle assembly. The cylindrical body has an open bottom and holds water to be injected into a clogged pipe. The compression assembly has a drive shaft and a ... | 07/11/2006 |
| 7062799 | Piston type drain clearing apparatus An apparatus for clearing a clog in a pipe that includes a hollow, rigid cylindrical body, the body having a closed end and an open end; a piston disposed in the body for reciprocation therein; a rod attached to the piston and extending through an opening in the clo... | 06/20/2006 |
| 7017197 | Adjustable plunger apparatus An adjustable plunger apparatus includes a plunger portion including an elongate shaft having opposed end portions rigidly connected to a suction portion at one of the end portions. The elongate shaft includes a depressible pin extending outwardly therefrom adjacent... | 03/28/2006 |
| 6895606 | Piston type drain clearing apparatus An apparatus for clearing a clog in a pipe having a diameter, the apparatus including a hollow, rigid cylindrical body, the body having a closed end, an open end and an inside diameter that is less than the diameter of the pipe at the clog thereby providing a mechan... | 05/24/2005 |
| 6862753 | Compressed air drain opening device An air plunger is described. The air plunger comprises an upper barrel and a lower barrel slidably received by the upper barrel. An air seal is fixed to the lower barrel and slidably engages with the upper barrel. A nozzle is attached to the lower barrel opposite to... | 03/08/2005 |
| 6789276 | Compressed air drain opening device An air plunger is described. The air plunger comprises an upper barrel and a lower barrel slidably received by the upper barrel. An air seal is fixed to the lower barrel and slidably engages with the upper barrel. A nozzle is attached to the lower barrel opposite to... | 09/14/2004 |
| 6779202 | Plunger appliance for toilets The disclosed portable plunger has an elongated shaft with a hand gripping portion adjacent one end and a plunger head fixed to the shaft adjacent the opposite end. The plunger head has an impervious flexible material defining an exterior surface sized slightly larg... | 08/24/2004 |
| 6775856 | Toilet bowl pump apparatus, and method of reducing the water level in a toilet bowl A toilet bowl pump apparatus and method for reducing the water level in a toilet bowl. ... | 08/17/2004 |
| 6499151 | Toilet bowl pump apparatus and method for reducing the water level in a toilet bowl A toilet bowl pump apparatus and method for reducing the water level in a toilet bowl.... | 12/31/2002 |
| 6484326 | Compressed air drain opening device An air plunger is described. The air plunger comprises an upper barrel and a lower barrel slidably received by the upper barrel. An air seal is fixed to the lower barrel and slidably engages with the upper barrel. A nozzle is attached to the lower barrel ... | 11/26/2002 |
| 6393625 | Plumbing device for a basin drainage A plumbing device for a basin drainage includes a pushbutton, a spring, a positioning sleeve, a probe and a seal that is connected to the probe. The pushbutton is able to control the movement of the seal to selectively communicate the inlet and the valve ... | 05/28/2002 |
| 5992697 | Water squirting device A new water squirting device for squirting water a distance therefrom. The inventive device includes an elongate tube has inner and outer surfaces, and opposite first and second ends. The inner surface of the tube defining a lumen of the tube. The first a... | 11/30/1999 |
| 5940897 | Plunger A plunger having a handle, an upper cylinder, a lower cylinder, and a nozzle. The bottom portion of the upper cylinder fits over the top portion of the lower cylinder. The handle may be grasped to push the upper cylinder down over the lower cylinder to fo... | 08/24/1999 |
| 5927957 | Plunger device and method of making and using the same thereof New plunger having a cylindrical hollow body 20 or 20B, a handle 30, 30A, or 30B, an outlet hose 40, an outlet tip 42, and a valve or flap 50, 60, or 70 that is able to control the air flow within the hollow 25 of the cylindrical body 20 or 20B. Valve or ... | 07/27/1999 |
| 5522094 | Water plunger for clearing clogged drains A plunger for clearing a drain pipe, the drain pipe terminating in a drain fitting, the plunger including an elongated cylinder having a first end and a second end, an elongated chamber disposed within the elongated cylinder, a piston disposed within the ... | 06/04/1996 |
| 5199114 | Drain clearing device A drain clearing device having a transparent and hollow cylindrical body, a piston plunger assembly partially disposed in the cylindrical body, piston plunger assembly support attached to an upper end of the cylindrical body, and a drain seal attached to ... | 04/06/1993 |
| 4733414 | Spring loaded drain cleaning device A spring loaded drain cleaning device utilizing both positive and negative pressures to disrupt a clog. The invention is composed of a plastic hollow cylinder ending in an angled base cup having a gasket at its lower extremity, a cap at the top of the cyl... | 03/29/1988 |
| 4542543 | Impact device A mechanically operated impact tool adapted for use in clearing blockages in clogged waste lines. The tool embodies a pair of telescopically movable sleeves which house an anvil and a reciprocating piston. A coil spring functions to drive the piston again... | 09/24/1985 |
| 4186451 | Plastic sanitary pump A plastic sanitary pump comprises a cylinder, an elastic disc attached to the bottom of the cylinder, a piston and piston rod, a cap covered on the top of the cylinder and a handle connected with the upper end of the piston rod. All the parts are made of ... | 02/05/1980 |
| 4137578 | Kitchen scoop and plunger A combination scoop and plunger for corralling refuse in a kitchen sink and forcing it through the drain opening into the garbage disposal area, comprising a single molded plastic scoop and bellows arrangement, having within its hollow portion a hollow pl... | 02/06/1979 |
| 3934280 | Drain-flushing device In a preferred embodiment, the cylinder is of substantially large dimensions, such as typically having an inner diameter of about four inches, for the drain compression flushing device, still retaining the conical spout element defining a restricted liqui... | 01/27/1976 |
