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| Number | Title | Issue Date |
| 7325809 | Seal kit for vehicle air conditioning system and associated methods A seal kit for vehicle air conditioning systems and associated methods are provided. The seal kit includes a container and a set of a plurality of retrofit seals positioned in the container and adapted to retrofit a set of a plurality of existing seals of any one pr... | 02/05/2008 |
| 7073215 | Household liquid dispensing system A household liquid dispensing system for dispensing a household liquid, such as soap, shampoo, dish washing detergent and bath oil through an outlet of a household water system. The liquid dispensing system comprises a household water system having an outlet, a stor... | 07/11/2006 |
| 6619318 | Multiple flow rate eductive dispenser A dispenser for dispensing at two flow rates eductively draws a chemical fluid such as a concentrated cleaning solution for diluting with a motive fluid such as water. Using eduction rather than gravity feed provides a consistent dilution ratio over a ran... | 09/16/2003 |
| 6146105 | Venturi pumping device A venturi type pumping device including a body having a tubular through bore between a bore inlet end and a bore outlet end, a restriction in the bore acting to produce a reduction in pressure downstream from the restriction, a delivery device for the del... | 11/14/2000 |
| 6099266 | Air pump An air pump (10) having a separation chamber (15) defined by a top wall (11), a bottom wall (12) and generally annular side walls (13). A liquid entry tube (24) configured to draw air into a stream of liquid passing through the liquid entry tube is couple... | 08/08/2000 |
| 6017195 | Fluid jet ejector and ejection method An improved vacuum apparatus and method is provided which includes a vacuum body, pump or ejector which produces a plurality of high velocity liquid jet streams of a primary fluid (liquid) such as water discharged into a convergent diffuser to draw a seco... | 01/25/2000 |
| 5927952 | Apparatus for vacuum absorption with bypass passage reverse flow protection device An apparatus for vacuum absorption comprising a tank for accumulating circulating water; a waterway for circulating the circulating water by a pump disposed at an absorption inlet side of the tank; an aspirator disposed on the waterway; a reverse flow pre... | 07/27/1999 |
| 5527163 | Mounting of sucking jet pump in plural chamber fuel tank A holding flange (5) is detachably connected on its bottom to a coupling part (7) within a fuel chamber (2). A flexible hose (8) leading to a sucking-jet pump (9) and a spring action arm (10) for holding the sucking-jet pump (9) down on the bottom of the ... | 06/18/1996 |
| 5478209 | Jet barrel and hose fitting insert for a jet pump A jet barrel and hose fitting insert are provided for a jet pump that supplies coating powder to a spray gun. The insert reduces the likelihood of impact fusion in the barrel and fitting. The insert comprises a cylindrical portion of small outside diamete... | 12/26/1995 |
| 5226186 | Waterbed mattress with draining system A waterbed mattress has a watertight envelope having a top, a bottom and sides. The envelope defines a cavity for water. First and second valves are disposed in the envelope to selectively allow fluid communication between the cavity and the exterior of t... | 07/13/1993 |
| 5217038 | Apparatus for emptying a hazardous waste container Pleural and other body fluids that may harbor disease organisms are emptied from a container by connecting the container to a venturi device and running water under pressure through the venturi device so that the fluids in the container are entrained into... | 06/08/1993 |
| 5203808 | Water bed with compact built-in drain pump A water bed having a built-in drain pipe. The water bed includes a water tight bladder penetrated by a pump assembly connected to the bladder by a bell shaped insert. The pump assembly includes an inlet port and an outlet port and a jet pump connected bet... | 04/20/1993 |
| 5136739 | Water bed with built-in drain pump A water bed having a built-in drain pipe. The water bed includes a water tight bladder which has an inlet port and an outlet port formed therein. A jet pump is connected between the inlet port and the outlet port and located in the interior of the water t... | 08/11/1992 |
| 5080560 | Dryrite borehole dewatering system Apparatus for extracting water comprises an air compressor, a diaphragm type suction pump, a jet pump for insertion into a borehole and a suction line connecting the jet pump to the diaphragm pump. Air to accelerate water through the jet pump and into the... | 01/14/1992 |
| 5002465 | Off-on control for an inflation aspirator In an aspirator (10) for pumping air into an inflatable (16), initial delivery of an aspirating fluid extends a piston (68) and the piston (68) extends an aspirator tube (24) to open an ambient air inlet (30) and render the aspirator (10) operable. Aspira... | 03/26/1991 |
| 4963073 | Water pressure operated water pump A device for use as a convenient, easy-to-use, and inexpensive pump for pumping water is disclosed which uses water pressure from a standard garden hose connected from a tap to the pump apparatus as the motive power to pump between seven and eleven times ... | 10/16/1990 |
| 4943211 | Sand filter cleaning system A sand filter cleaning apparatus includes a suction head having an enlarged intake opening for sucking materials thereinto attached to an exhaust hose for receiving material sucked into the suction head. A water pressure hose is connected between a water ... | 07/24/1990 |
| 4799863 | Vacuum flow device A vacuum device comprising a by-pass fan pump, a conduit connecting the inlet of the pump to a member in which pressure is to be reduced and a flow passage formation enabling a stream of air to enter the pump and to by-pass the member. In a preferred embo... | 01/24/1989 |
| 4775241 | Integrated liquid distribution apparatus A liquid distributing apparatus, particularly for incorporation in lids or covers of 3 to 5 gallon containers, has a four-way input valve for delivering water under pressure to wash hands, clean materials, etc., fill the tank on which the lid is placed an... | 10/04/1988 |
| 4722670 | Aquarium pump and cleaning system The fish tank cleaning system of this invention comprises a water pump using power of water flowing at a sink to pull by venturi principle water through a hose from an aquarium to empty the aquarium or to cooperate with tools used at the aquarium for clea... | 02/02/1988 |
| 4718486 | Portable jet pump system with pump lowered down hole and raised with coiled pipe and return line A jet pump system that is portable on a truck or equipment skid and transportable from well to well and useable from the truck or equipment skid for the lowering and withdrawal of the jet pump down and up from a well with coiled pipe and coiled return lin... | 01/12/1988 |
| 4702676 | Liquid driven pump or propulsive apparatus The apparatus relates to a jet pump or apparatus which displaces a main fluid by a pressurized driving liquid. The apparatus has a duct to receive the main fluid, and a driving liquid manifold cooperating with the duct to receive the pressurized driving l... | 10/27/1987 |
| 4597716 | Air activated vacuum pump A hand held and controlled air activated vacuum pump for testing vacuum systems and controls against atmospheric exudations that adversely affect their performance.... | 07/01/1986 |
| 4422829 | Sump drain system A drain system for a sump, including an electrically powered sump pump normally operable in response to the water level in the sump to drain the sump when the level reaches a predetermined point, and a water powered pump driven by a source of water under ... | 12/27/1983 |
| 4400138 | Multiple jet eductor An improved multiple jet eductor assembly is described consisting of two parts: (1) a manifold ring with a pressurized water inlet and a plurality, preferably four, of radially-spaced, forwardly- and convergingly-directed jet nozzles, and (2) a tube havin... | 08/23/1983 |
| 4208172 | Marina siphon device A siphon device for use around marinas and the like for siphoning large volumes of water containing debris and foreign matter without clogging thereof. The siphon includes an ell member having an input and an output opening of the same size, a hydraulic p... | 06/17/1980 |
| 4178134 | Engine coolant system flush attachment for coolant hose A flush attachment for a coolant hose accommodates gas or air induction to mix with a pressurized stream of cleaning liquid for efficient scavenging of rust or scale from machinery cooling systems. The construction of the attachment also protects against ... | 12/11/1979 |
| 4160622 | Portable water sampling apparatus Portable, self-powered water pumping apparatus for use in sampling water in remotely located wells comprises a wheeled hose reel cart which supports a long length of co-extruded plastic hose or tubing. The co-extrusion comprises a small diameter portion o... | 07/10/1979 |
