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

Icon_funbox Celebrity Inventors

Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".

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 138/43 - Variable restriction


Subclass of Class 138 - Pipes and tubular conduits
Definition: Devices wherein the device is adjustable to vary the restriction.
No. of applications: 18
Last issue date: 11/18/2010


Application No.Application TitleIssue Date
20100288389Choke Assembly
A choke assembly. In some embodiments, the choke assembly includes a choke element having a fluid flow passage therethrough. The choke element includes a cage having a plurality of apertures therethrough for the passage of fluid and a plug moveable with respect to the c...
11/18/2010
20100175768NOISE REDUCING FLUID PASSAGEWAYS FOR FLUID FLOW CONTROL DEVICES
Trim disk assemblies for use in fluid flow control devices include a first disk and a second disk. An elongated void is formed in a surface of each of the first disk and the second disk. The second disk is aligned with the first disk to provide fluid communication betwe...
07/15/2010
20100175769A REGULATING DEVICE AND METHODS OF USING SAME
The present invention relates to a regulating device (1) for regulating a fluid flow, the regulating device (1) comprising an actuator element (3) which is provided with a flow area (4) arranged to convey fluid between a fluid inlet (9...
07/15/2010
20090260701PULSATION ATTENUATOR FOR A FLUIDIC SYSTEM
A pulsation attenuator for a fluidic system with a fluidic pump. The pulsation attenuator includes a fluidic channel, a first fluidic device adapted to attenuate pulsations, and a second fluidic device adapted to attenuate pulsations. Preferably, the first fluidic devic...
10/22/2009
20090173405Sanitary component, namely jet regulator or jet former for flowing, fluid media, method of producing such a sanitary component and use of a sanitary component
The invention relates to a sanitary component, namely a stream regulator or stream former for flowing fluid media, consisting of property-defining components in a sandwich-like arrangement in the direction of flow which comprise at least one screen attachment, one diffu...
07/09/2009
20090141584Homogenisation valve
The invention relates to an improved homogenization valve, and more particularly, but not exclusively, to a homogenization valve for use in homogenizing emulsion explosives. The homogenization device comprises a body having a flow passage therethrough, opposing first an...
06/04/2009
20090101223REGULATOR FOR CLUTCH
A regulator for a clutch includes a regulator housing, first and second plates in the regulator housing, and a support plate attached to the regulator housing. The first plate may be convex in a direction opposite the second plate. The first plate may include at least o...
04/23/2009
20090084455SOLID STATE REGULATOR FOR NATURAL GAS
An annular elastomer is provided in a housing orifice that does not require a large force for deformation. This makes possible a solenoid-type actuator that provides a large displacement of the elastomer, thus allowing higher and lower rates of gas flow through a gas li...
04/02/2009
20080277011Flow Regulator
A flow regulator (50) having a controller housing (1) which has a central body (3) in a passage channel (2) is provided, with the central body (3) being bounded by an annular throttle body (4) made from an elastic material that ...
11/13/2008
20080277010Flow Regulator
A flow regulator (10) having a regulator housing (1) which is provided with a control device (8a) having a central body (3a) in a passage channel (2). An annular throttle body (4a) produced from an elastic m...
11/13/2008
20080210326Control Valve with Vortex Chambers
A fluid flow control valve comprises a plurality of vortex, fluid pressure reduction chambers 1, each vortex chamber having an inlet in the form of a curved flowpath 2 having an inlet orifice 3 of defined cross sectional area which decreases along t...
09/04/2008
20080099094Water Saving Device
A water saving device for use at or near a water outlet has a first water flow regulating element; a second water flow regulating element disposed downstream of the first regulating element; and a chamber formed between the first and second regulating elements. All of o...
05/01/2008
20070227603Variable Nozzle Device for a Turbocharger
A nozzle device for a turbine of a turbocharger according to the present invention comprises variable annular nozzle (2) defined between an inboard wall (3) and an outboard wall (4), wherein said outboard wall (4) is axially movable for compl...
10/04/2007
20070131296Flow restrictor device for a medical apparatus
A medical apparatus flow restrictor includes a housing having an inlet and an outlet, and a fluid flow path defined through the housing between the inlet and outlet. At least one pair of opposed restriction surfaces are provided in contact with each other within the hou...
06/14/2007
20070102053Plumbing fill valve restrictor and regulator apparatus
A toilet fill valve device may function as a restrictor to reduce water flow, or as a regulator to cap water flow beneath a certain limit depending upon its orientation. If composed of a rigid material, the device functions as a restrictor to decrease water flow. If com...
05/10/2007
20060260705Device for damping water hammer
The invention relates to a device for damping water hammers in hydraulic accumulators, in particular in piston accumulators, which is embodied in the form of the accumulator component which operates as a throttle on a fluid flow and is inserted between internal elements...
11/23/2006
20060090803Device for the continuous change of the flow rate of a medium
A device for the continuous change of the flow rate of a viscous medium e.g. hydraulic oils or lubricating greases with e.g. a conical throttle insert (1) with a smooth surface and axially movable in a conical bore (3) of a housing (4) in such a man...
05/04/2006
20050005983Weldable conduit and method
A composite conduit suitable for transporting corrosive and/or erosive fluids including gases, liquids or slurries, is formed by positioning a tube formed of a material having desirable corrosion and/or erosion resistant properties within a pipe formed of a commonly wel...
01/13/2005
 
Sign InRegister
Username  
Password   
forgot password?