U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Famous Patents

British merchant Peter Durand invented the tin can in 1810.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 137/893 - Flow control means is located in aspirated fluid inlet


Subclass of Class 137 - Fluid handling
Definition: System wherein the means to selectively control the flow
No. of patents: 105
Last issue date: 09/14/2010


1      
NumberTitleIssue Date
7793688Recreational vehicle winterizer fitting
Disclosed is a system to winterize a recreational vehicle having plumbing lines. A hose may be attached to an air compressor and a recreational vehicle winterizer fitting may be attached between the hose and a freshwater inlet connection port of the recreational veh...
09/14/2010
7367361Eductor apparatus
An eductor assembly includes an inlet connectable to a high pressure water source useful in firefighting, an outlet connectable to a fire hose and/or nozzle, and a venturi therebetween. An additive inlet communicates with the venturi so that a chemical additive, suc...
05/06/2008
7320438Shower head for dispensing a mixture of water and at least one bathing gel
An apparatus includes an inlet conduit that has a threaded coupling removably attachable to the water supply source. A housing is connected to the inlet conduit and includes spaced compartments for storing bathing gels. Each compartment includes an inlet port that i...
01/22/2008
7207352Bushing for thermally independent bypass air metering valve
A bypass air metering valve is provided with a stationary case flange having a plurality of slots, a bushing positioned within each of the slots, and a metering ring positioned so as to ride on a surface of each respective bushing. Each bushing creates a gap between...
04/24/2007
7191960Shower head
A shower head for dispensing a plurality of liquids into a continuous shower stream comprising a main shower head consisting of a divergently outwardly extending conical chamber bordered by a conical shell and a perforated arcuate member opposite from an apex of the...
03/20/2007
7108014Liquid diluting device
A diluent passage 12 to introduce special liquid and a rinse liquid supply passage 13 which is separate from the diluent passage 12 are formed in the main body 10, and a plurality of jets are disposed at a cylindrical dial 18. A wa...
09/19/2006
7086610Vented dispenser
A dispenser for dispensing different quantities of chemical concentrate into a stream of fluid from a concentrate container wherein the container has a pressure relief vent, and the dispenser provides an air vent when it is operated. In a preferred manner, the dispe...
08/08/2006
7059591Method and apparatus for enhanced oil recovery by injection of a micro-dispersed gas-liquid mixture into the oil-bearing formation
The method and apparatus for making a micro-dispersed gas-liquid mixture which includes a gas-liquid ejector unit, a cavitation unit and a jet dispersing unit installed in a sequence. All above referenced units are installed into a cylindrical housing which in turn ...
06/13/2006
7032609Vacuum feed system for liquid chemical feeding
A vacuum feed system for feeding liquid chemical into a stream of a second liquid flowing in a conduit includes a venturi connected in the conduit for supplying vacuum through first and second one-way check valves, a flow regulating valve, and a vacuum regulated flo...
04/25/2006
7028922Soap dispenser system and valve arrangement therefor
A soap dispenser system includes a venturi suction tube having a soap supply bore intersecting the main through bore; a soap dispenser controlling dispensing of soap from a container; and a supply tube connecting the soap dispenser to the soap supply bore of the suc...
04/18/2006
7021571Spray device with flat fan nozzle
The present invention relates to a portable device for spraying a liquid at low pressure, said device comprising a spray arm (220), and characterized in that the spray arm comprises at least one flat fan spray nozzle (230). Preferably, the liquid is a ...
04/04/2006
7014067Method and apparatus for mixing and dispensing oil and gasoline in a tank
An apparatus and method for mixing and dispensing gasoline and oil from a tank in which a flow of gasoline and oil is diverted from a dispenser pump outlet back into the tank to create a mixing of the gasoline and oil to dispensing the mixed gasoline and oil by oper...
03/21/2006
6974245Device for mixing a liquid fertilizer with a flow of water, for use by individuals
The mixing device for liquid fertilizer with a flow of irrigation water, comprises a mixing head (1) provided with an internal mixing chamber (2) into which opens an internal water supply channel (3), adapted to be connected to a source (4
12/13/2005
6964380Spraying gun having flow rate control effect
A spraying gun includes a water inlet connector, a connecting member, an adjusting member, a detergent tube, a water conducting tube, and an extension pipe. Thus, the water flow rate of the spraying gun is adjusted by rotation of the adjusting member, thereby facili...
11/15/2005
6929027Liquid dilution device
A liquid diluting device, with a small and simple structure, is capable of reliably sealing and simply changing dilution concentration. Diluent passages are formed in a first body, and a connecting passage for introducing special liquid connects to these diluent pas...
08/16/2005
6929033Liquid dilution device
A liquid dilution device is provided to prevent choking at a jet for adjusting the flow amount of a special liquid. In the liquid dilution device in which the special liquid from a liquid supply passage 33 of a liquid intake device 29, is introduced to...
08/16/2005
6926030Apparatus for mixing two fluids or keeping them separate
A mixing apparatus for mixing two fluids immediately following contact with each other is disclosed. The mixing apparatus includes a spring-loaded ball valve separating a first fluid from a second fluid. The ball valve closes as a result of at least spring force. Th...
08/09/2005
6877890Fluid mixer with rotatable educator tube and metering orifices
A fluid or detergent mixer comprises a body (2) in which is located a rotatable eductor tube (4) with a venturi throat (17) and a knob (3) to rotate the tube. The mixer has a suction line (5) to draw detergent from the bottom of a ...
04/12/2005
6860295Variable rate dispensing apparatus
A mixing and dispensing apparatus wherein a liquid concentrate is metered into a diluent stream of an eductor in a precise manner. A needle valve is employed in conjunction with a cam member and the cam member includes slopes of varying degrees. In this manner, a wi...
03/01/2005
6837263Liquid level control system
A liquid level control system including a tank; a source of liquid in communication with the tank; a pressure fluid actuated valve for controlling the flow of liquid to the tank from the source; a pressure sensor disposed in the tank to monitor the hydrostatic press...
01/04/2005
6805165Adjustable air stream introducing device
An adjustable air stream introducing device for reinforcement of a blowing power of a primary air stream flowing through a duct, includes a tubular coupler disposed downstream of the duct to confine an annular space. A surrounding seat member is disposed securely in...
10/19/2004
6789571Liquid dilution device
A liquid diluting device, with a small and simple structure, is capable of reliably sealing and simply changing dilution concentration. Diluent passages are formed in a first body, and a connecting passage for introducing special liquid connects to these diluent pas...
09/14/2004
6766831Eductor
An eductor (1) for mixing liquids, e.g. a concentrated solution into water, has a flow passage (16) for a first liquid into which a dispensing passage (18) for a second liquid opens so that in use the second liquid is drawn into the flow of the ...
07/27/2004
6571989Metering device for releasing water and detergent
A metering device for releasing water and detergent has a three-way connector, a water quantity adjustment device, a detergent quantity adjustment device, and a detergent bottle. The three-way connector has a three-way channel, a first end connected to th...
06/03/2003
6546962Introduction of air into injection water
Air is introduced into the injection water for microbial enhanced oil recovery. The injection water is passed through an ejector where it is entrained and the oxygen subsequently dissolves in the water....
04/15/2003
6471141Hose sprayer assembly
A hose sprayer assembly in accordance with the present invention includes a trigger body which is rotatably mounted within a housing. The housing is formed with an inlet orifice, an outlet aperture and an aspiration orifice, and further includes a deflect...
10/29/2002
6443609Fluid inductor system and apparatus having deformable member for controlling fluid flow
An apparatus for mixing fluids includes a housing which is mounted in line with a conduit carrying a primary fluid. A deformable member is mounted in the housing and an inlet conduit carrying a secondary fluid communicates with the deformable member. An a...
09/03/2002
6425534Spraying apparatus having a sealing member with apertures
A sprayer head is provided for attachment to a container containing a chemical product to be diluted by a carrier stream. The sprayer head includes a hose attachment member having structure for attaching the sprayer head to a source of the carrier stream....
07/30/2002
6418957Eductor system and method for vapor recovery
The EVRU is essentially an eductor, configured and designed, to capture and recover hydrocarbon fluids (gases and/or liquids) and/or other vapors and recombine and reinject into the system so that all the fluids are combined into a closed system to reduce...
07/16/2002
6405759Apparatus for the continuous preparation of glass fiber sizing compositions
An in-line mixing apparatus for the substantially continuous production of size to be supplied to a glass fiber forming process. The in-line mixing apparatus comprises a plurality of stages wherein the first stage is a static mixing device in which sizing...
06/18/2002
6360964Pressure washer
An pressure washer enclosure capable of high pressure spraying with all pumps and chemicals enclosed for the protection of personnel and security of the chemicals. An external curbside control panel allows the operator to control the amount and concentrat...
03/26/2002
6315000Eductor system and method for vapor recovery
The EVRU is essentially an eductor, configured and designed, to capture and recover hydrocarbon fluids (gases and/or liquids) and/or other vapors and recombine and reinject into the system so that all the fluids are combined into a closed system to reduce...
11/13/2001
6267303Sprinkler system fertilizer injector
A device for injecting liquid chemical solutions into the flow of a lawn sprinkler system. The device allows the user to easily attach and remove chemical jars without the risk of losing the prime on the pump....
07/31/2001
6206046Lawn and garden chemical dispensing system
A water flow controlled dispenser of liquid or water-soluble beneficial chemicals for sprinkling systems....
03/27/2001
6193472Fluid vacuum system
One embodiment of the invention encompasses a fluid vacuum system for vacuuming-up discharge fluid from a fluid source without applying a vacuum to the fluid source. The system comprises a discharge conduit, a vacuum source, and a vacuum-breaker. The disc...
02/27/2001
6186988Wound irrigation system
Apparatus for irrigating wounds in which a housing contains a water filter and an anti-biotic, connected between a water supply and a hand spray unit, with the housing containing a hand operated valve for directing the water from the water supply through ...
02/13/2001
6170978Fluid inductor apparatus having deformable member for controlling fluid flow
An apparatus for mixing fluids includes a housing which is mounted in line with a conduit carrying a primary fluid. A deformable member is mounted in the housing and an inlet conduit carrying a secondary fluid communicates with the deformable member. An a...
01/09/2001
5957152Select valve purge
A purge valve for use with a chemical select valve comprises, in a preferred embodiment, an enlarged chamber in the vacuum impelled feed line to the select valve. The chamber is formed by resilient walls, collapsible upon vacuum operation to draw chemical...
09/28/1999
5954273Spray assembly for high viscosity materials
A spray assembly for mixing catalyst with a high viscosity material and applying thin coatings of that material to a substrate that is particularly useful for applying body putty to a surface. The spray assembly has first and second through air passageway...
09/21/1999
5924453Piston and cylinder actuated polymer mixing valve
A valve for introducing polymer into a moving water stream prior to flowing he water stream, with the polymer therein, onto a hull surface of an underwater vehicle. The valve comprises a venturi block having therethrough a venturi passageway for flowing wa...
07/20/1999
1      
 
Sign InRegister
Username  
Password   
forgot password?