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

Icon_funbox Bizarre Patents

Patent No. 6745394

Ballistic resistant body covering

A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.

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 222/309 - Adjustable stroke pump piston, pulsator or follower


Subclass of Class 222 - Dispensing
Definition: Dispensers in which a pump, piston, pulsator or follower
No. of patents: 411
Last issue date: 12/13/2011


1                      
NumberTitleIssue Date
8074844Piston pump stroke adjustment mechanism
A piston pump with a piston coaxially slidable in a chamber for dispensing fluid out of a discharge tube which extends normal to the axis about which the piston is slidable in the chamber with a stroke stop member rotatably journalled on the discharge tube for pivot...
12/13/2011
7628294Pump, dispenser and corresponding process for dispensing a liquid or viscous mass
To improve sealing efficiency in a pump withdrawing liquid from a supply container (1) and to minimize the liquid residue in said container, the pump is designed to include a cylinder (5), a hollow plunger (6) configured within said cylinder, an...
12/08/2009
7438857Liquid handling tool having porous plunger
A robotically manipulable sample handling tool, such as a colony picking head or robotic pipetting tool, includes needles arranged on the tool. Actuators are associated with each needle to control flow for the needle. A plurality of plungers are each associated with...
10/21/2008
7429353Method and apparatus for injecting a metered quantity of a liquid into a chamber
A method and apparatus for metering a predetermined quantity of liquid decontaminant into a vaporization system. A single vacuum source is used to fill an injector with the predetermined quantity of liquid decontaminant and to also establish a vacuum in a chamber. T...
09/30/2008
7387221Fluid discharge pumping apparatus
A fluid discharge pumping apparatus includes: a drive mechanism; a cylinder; an outflow valve mechanism and an inflow valve mechanism coupled to the cylinder; a piston member inside the cylinder; and a piston-supporting member attached to the piston member driven by...
06/17/2008
7377406Two stage grease gun
A portable grease gun with a dual pressure output capability which can be selectively changed by the user with little effort. The larger diameter plunger is slidable within a plunger retainer. The larger diameter plunger has a bore through them in which a smaller di...
05/27/2008
7371241Multi-use surgical cement dispenser apparatus and kit for same
The present invention is directed to a system and method for percutaneous delivery of bone cement during a surgical procedure. The system of the present invention has a plunger assembly 100, comprising: a shaft having a first end, a middle section, and a seco...
05/13/2008
7363948Apparatus and method for dispensing liquid crystal
A liquid crystal dispensing apparatus dispenses liquid crystal onto a substrate. The liquid crystal dispensing apparatus includes a frame, a table, at least one liquid crystal discharge device, and a liquid crystal amount inspecting portion. The table is installed o...
04/29/2008
7357899Reagent addition system and method
A piston coupling for a micro-liter range liquid dispensing system for connecting a piston to a piston drive shaft generally includes a U-shaped body portion having a U-shaped arm and an annular barrel-shaped bearing seated in the U-shaped body portion and retained ...
04/15/2008
7337538Methods and apparatuses for joining a pumping cartridge to a pump drive
Apparatus and methods of their use are described for engaging a pumping cartridge with a pump drive. In certain embodiments, the cartridge, comprising a cylinder and a movable piston assembly, is initially assembled or subsequently positioned so that the distance be...
03/04/2008
7337927Two stage grease gun
A portable grease gun with a dual pressure output capability which can be selectively changed by the user with little effort. A larger diameter plunger is longitudinally coupled to an extension. The larger diameter plunger and its extension are variable in length by...
03/04/2008
7337920Fluid dispensing apparatus
A concentrated flavour dispensing machine having displacement pumps for delivering between a few millilitres and few ounces of fluids having a viscosity value between 1 to 4000 centepoise is described. The dispensing machine includes a cabinet for containing a multi...
03/04/2008
7338980Method and apparatus for mixing a high-viscosity material into a gas
A piston pump has a piston and cylinder. A gas is supplied into the cylinder during and/or after a suction stroke of the piston pump, and a high-viscosity material is supplied into the cylinder after the suction stroke. A discharge stroke of the piston pump is effec...
03/04/2008
7331482Dispense pump with heated pump housing and heated material reservoir
A heated dispense pump overcomes the limitations of conventional systems providing for reliable and efficient heating of the dispensed material in a system that is compact, lightweight, and accurate. A pump housing and cartridge body are formed of a thermally conduc...
02/19/2008
7310965Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus
The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger...
12/25/2007
7306119Dispensing material produced by a chemical reaction
Apparatus (104) for dispensing material produced by a chemical reaction between a first chemical reagent and a second chemical reagent. The apparatus comprises injection means (306) configured to produce a jet of the first chemical reagent and a jet of...
12/11/2007
7291133Device for the metered administration of a fluid drug
A device for the metered administration of a fluid drug. The device has a container having a piston for administering the fluid drug through an outlet of the container, a catheter connected to the outlet of the container, the catheter having a front end facing away ...
11/06/2007
7281644Valve mechanism
A valve mechanism for a pressure chamber, particularly a pumping device, includes a tappet and a valve disk, in which the valve disk is attached to the tappet. The valve disk is provided on the tappet so as to be movable in relative manner between a starting and an ...
10/16/2007
7275534Medicament ejector with ejection port servicing
A medicament ejector is provided which includes an ejection mechanism and a service mechanism. The ejection mechanism includes at least one ejection port configured to eject a medicament-containing fluid. The service mechanism is selectively deployable to service th...
10/02/2007
7261559Syringe delivery system for dispensing a dental composite or other highly viscous material
A syringe delivery system for dispensing a highly viscous material through a syringe delivery opening. The system includes a syringe barrel having a delivery opening, a plunger including a threaded shaft that threadably engages the syringe barrel for selectively dis...
08/28/2007
7261268Wall mountable holder for a container
A holder for a replaceable container of product includes a wall mountable support member having a longitudinal dimension. A holding sleeve extends transversely to the longitudinal dimension a first distance from a first region of the support member. The holding slee...
08/28/2007
7258128Post yard hydrant with controlled adjustable flow
The present invention is a post yard hydrant with controlled adjustable flow. The post yard hydrant includes a valve housing located below ground level for connection to a water supply under pressure, a head portion with an integral discharge nozzle positioned above...
08/21/2007
7249696Pneumatic liquid-dispensing gun
A pneumatic, liquid-dispensing gun includes: a central body (1); a pneumatic body (2); a needle (10) having a guide (6) and a conical tip; a nozzle (3) fixed in place with a nut (4); a sealing bellows (5) concentric t...
07/31/2007
7237694Food metering and dispensing device
A pump apparatus for an adjustable metering and dispensing pump apparatus for food products including a product piston moving in a product cylinder, the product cylinder being connected to a food hopper and a dispensing nozzle. The pump apparatus also includes a cyl...
07/03/2007
7235586Cyclopentane heptan(ene)oic acid, 2-thiocarbamoyloxy and 2-carbamoyloxy compounds as therapeutic agents
The invention relates to the use of cyclopentane heptan(ene)oic acid, 2-thiocarbamoyloxy and carbamoyloxy as therapeutic agents e.g. as ocular hypotensives. The compounds used in accordance with the invention are represented by the following formula I:
06/26/2007
7228941Metering device for lubricant
The invention relates to a metering device for lubricant having a lubricant reservoir (1), a piston (3), which is arranged on a threaded spindle (2), within the lubricant reservoir and a drive head 4, which has a drive shaft (7) co...
06/12/2007
7222755Metered dose squeeze dispenser with flexible-T dip tube
A liquid metered dispensing squeeze bottle includes: (a.) a squeezable container having an opening for dispensing liquid therefrom at one end and a bottom at the other end; (b.) a nonflexible trap chamber of a predetermined volume, connected to the opening of the co...
05/29/2007
7216820Faucet spray head assembly
A faucet spray head includes a diverter valve that has a diverter stem constructed and arranged to control water flow patterns. The stem includes a neck and a head that is larger than the neck. A shell encloses the diverter valve, and the shell has an opening throug...
05/15/2007
7178745Dispense tip with vented outlets
In a fluid pump and cartridge assembly, a cartridge includes a material inlet port, a material outlet port, and a feed screw. The feed screw delivers fluid to be dispensed from the fluid inlet to the outlet port. The fluid inlet is preferably elongated in a directio...
02/20/2007
7168933Device for discharge or outfeed of a pasty product, preferably foodstuff, from a container
The present invention relates to a device for discharge or outfeed of a pasty product, preferably foodstuff, from a container. A piston means (11) is brought to perform a discharge movement in a discharge direction (F) for discharge or outfeed of the product ...
01/30/2007
7159412Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus
The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger...
01/09/2007
7156262Sanitary fill valve assembly with adjustable flow regulator
A sanitary fill head and sanitary fill head assembly for dispensing viscous flowable materials including a housing having an inlet passage for receiving the viscous flowable material and an outlet passage from which the viscous flowable material is dispensed, a prod...
01/02/2007
7134577Plastic lined metallic liquid dispenser
A plastic lined metallic liquid soap dispenser (20) is formed consisting of a hollow metallic bottle (22) having a threaded neck, (24) and a plurality of separate metallic parts such as a bottom (26). A discrete plastic insert (38)...
11/14/2006
7105357Method and device for processing extremely small substance quantities
For processing of substances in the reservoir (3) of a microdroplet dosing device (1), movement of a solid carrier material with a binding-active surface takes place in the reservoir, and binding of the substance takes place on the surface of the carri...
09/12/2006
7100804Dispenser with a metering device
A pressure medium-operated dispenser for dispensing a mass from a storage and dispensing container and including a housing, a dispensing device (13) supported in the housing (12) and having a pressure medium-operated plunger (15) with at least o...
09/05/2006
7101518Plasma disinfection system
Disclosed is an apparatus for supplying liquid for use in a plasma disinfection system. The apparatus supplies liquid for generating plasma to a reaction chamber (1) to sterilize and disinfect an item wrapped in a packaging material (10) in the reactio...
09/05/2006
7093534Method of manufacturing products of soymilk and apparatus of manufacturing the same
The invention comprises the steps of storing immersed or smothered raw material of soy beans including hulls in a storage chamber provided at the front part of a cylinder barrel, subsequently passing the stored raw material of soybeans through screens furnished at t...
08/22/2006
7086282Adjustable measuring scoop
An adjustable measuring scoop including a movable partition that adjustably rotates on a rotating means such as an axle so as to result in a scoop size that can be selectively determined between a maximum and a minimum by ready manual manipulation of the scoop. The ...
08/08/2006
7077831Ophthalmic fluid dispenser
An eye fluid applicator is adapted for connection to the mouth of a bottle containing an ophthalmic liquid and comprises means for dispensing ophthalmic liquid from the bottle in metered amounts and in a manner which avoids contacting the eye with the applicator. Th...
07/18/2006
7073346Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus and vacuum sensor
The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger...
07/11/2006
1                      
 
Sign InRegister
Username  
Password   
forgot password?