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

Icon_funbox Did You Know...

...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?

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 366/268 - Plural


Subclass of Class 366 - Agitating
Definition: Subject matter wherein there are two or more pistons for
No. of patents: 26
Last issue date: 02/01/2011


NumberTitleIssue Date
7878704Double-chamber mixing device for viscous pharmaceutical substances
The invention concerns a double-chamber device for mixing at least two viscous substances, comprising: cylindrical and coaxial first and second communicating vessels, each hermetically sealed at one end by a mobile piston, and provided at its second end with a sligh...
02/01/2011
7341369Isotropic illumination
An isotropic illuminator is described, including a relay lens configured to focus a source image propagated from a source and a lightpipe having an entrance aperture and an exit aperture. The source image is aligned by a folding element to fill the entrance aperture...
03/11/2008
7296922Method and an apparatus for processing of liquids or pastes
An apparatus for processing a liquid or a paste, particularly a highly viscous or sticky liquid or paste, includes two or more cylindrical storage chambers, and at least one interconnecting conduit interconnecting the storage chambers. The liquid or paste is process...
11/20/2007
7178978Fluid mixing apparatus and method
This invention relates to devices, methods, and systems for mixing materials, and in particular provides linkages and containers such as syringes in operative arrangement such that actuation of the linkages can move material from one container to another thereby mix...
02/20/2007
7109468Imaging arrangement method for high-speed imaging
An electro-optic device is disclosed which has a plurality of independently-gatable portions. One example is an image intensifier having a number of segmented photocathode areas (GP). The corresponding portions of the intensifier can be energized independently via c...
09/19/2006
7080936Wrap spring clutch syringe ram and frit mixer
A wrap spring clutch syringe ram pushes at least one syringe with virtually instantaneous starting and stopping, and with constant motion at a defined velocity during the intervening push. The wrap spring clutch syringe ram includes an electric motor, a computer, a ...
07/25/2006
7079321Illumination system and method allowing for varying of both field height and pupil
A method and system allow for changing (continuously or variably) both a field height and pupil of a beam that illuminates an object field. In one example, the object field can have a pattern generator (e.g., one or more reticles, spatial light modulators, or the li...
07/18/2006
7033067Cascading orifice mixer
A cascading orifice mixer for mixing a viscoelastic material comprising a plurality of chambers connected in series, including a first chamber, at least one intermediate chamber and a last chamber, each chamber including an orifice providing fluid communication betw...
04/25/2006
7006295Illumination system and method for efficiently illuminating a pattern generator
An illumination method and system use a light source and illumination optics to illuminate a pattern generator. The illumination optics can include at least two devices. For example, if first and second diffractive and/or refractive devices are used, one can be a pu...
02/28/2006
6976778Rod integrator, illuminator, projector, and optical device
The invention provides a rod integrator or the like having high efficiency for light utilization and suitable for a color-recapture system. The present invention can include a rod integrator having a reflective inner circumference (reflecting surface) for emitting l...
12/20/2005
6968073Occupant detection system
An eye-safe light curtain is generated by a plurality of LED's illuminating a cylindrical lens having a corrugated cylindrical surface. A camera generates a first image of an avoidance zone boundary of an air bag inflator with the light curtain off, and a second ima...
11/22/2005
6799884Dual chamber orifice mixer and method of use
A method and apparatus for mixing a polymer with an agglomerates of one or more compounds in a pair of opposed pressure cylinders with a nozzle block there between using moving the pistons to force the polymer with the agglomerates from pressure cylinders into the o...
10/05/2004
6592251Cement mixing and dispensing device
An apparatus and method for mixing a liquid component and a powdered component to form a bone filler has first and second syringes each having a barrel, a plunger and an exit port. The plunger is moveable with the barrel of each syringe along a longitudin...
07/15/2003
6234196Mixing adaptor and system
A mixing adaptor enables a material to be transferred from a first delivery means to a second delivery means and enables another material to be transferred from the second delivery means to the first delivery means. The adaptor has (i) a hollow main body ...
05/22/2001
6062722Fluid mixing and withdrawing methods
Fluid mixing methods and systems are disclosed. In but one implementation, a fluid mixing method includes providing a mixing passageway having a mixing element therein. A fluid to be mixed is passed in both of opposing directions through at least a portio...
05/16/2000
5957166Method and apparatus for dispersing fluid into a material
A fluid dispersion and delivery assembly (16) includes first and second syringes (18,20) containing a first, fluid material (32) and a second material (34), fluidly coupled together at their distal ends (22,24) by a fluid transfer assembly (2). The fluid ...
09/28/1999
5908054Fluid dispersion and delivery assembly and method
A fluid dispersion and delivery assembly (49) includes first and second syringes (28,50) containing a hemostatic solution (38) and a flowable gel material (58), fluidly coupled together by a fluid transfer assembly (2). The fluid transfer assembly include...
06/01/1999
5823671Apparatus and method of mixing materials in a sterile environment
An apparatus for mixing a particulate material into a liquid includes a pair of variable volume receptacles interlinked by a communication passage. A combined volume of liquid and particulate material is received within the variable volumes, and the volum...
10/20/1998
5251978Driving device for a vortex mixing apparatus
A driving device for a vortex mixing apparatus comprises holders for holding a mixing unit of a type having at each opposite end a pumping diaphragm for imposing a pulsatile flow on a liquid passing through a primary channel in the unit. Two pistons are e...
10/12/1993
4918583Illuminating optical device
An illuminating optical device having an optical integrator capable of receiving a light flux from a light source and substantially forming a plane light source comprising a plurality of light source images and uniformly illuminating an object includes a ...
04/17/1990
4876038Apparatus for making a post-foaming gel
An apparatus for making a post-foaming gel comprising, a first cylinder having a chamber and a slidable piston separating the chamber into a first compartment to receive a gel base and a second compartment, a second cylinder having a chamber and a slidabl...
10/24/1989
4832500Mixing apparatus and processes
Apparatus for mixing or otherwise agitating fluid material comprises an elongated vessel (1) to contain the material, means (6, 7, 9, 10) to impose oscillatory motion upon the material in a lengthwise direction, and a plurality of stationary obstacles (19...
05/23/1989
4592657Mixing head for producing a preferably chemically reactive mixture of two or more plastics components
A mixing head essentially comprises a housing with a mixing chamber which has inlet orifices for the individual plastics components and an outlet orifice for the plastics component mixture. In the mixing chamber is located an expulsion plunger of identica...
06/03/1986
4440500High pressure impingement mixing apparatus
Apparatus for high pressure impingement mixing includes a mixing chamber and aftermixer chamber located on opposite sides of, and perpendicular to, a transfer dispense chamber. Two or more reactive components are injected into the mixing chamber. The resu...
04/03/1984
4350650Method for admixing at least two liquids and feeding them to a shaping mould
A method is disclosed for intimately blending two liquid phases, such as is required, for example, in the plastics materials industry, the method including causing the two liquids to flow under throttled conditions through a nozzle after having been press...
09/21/1982
3995530Shaking machine
A shaking machine for shaking core sand out of hollow castings includes a pair of coaxial cylinders containing pistons with piston rods arranged to grip a casting, and a rotating vane air valve for supplying compressed air alternately to each of the two c...
12/07/1976
 
Sign InRegister
Username  
Password   
forgot password?