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| Application No. | Application Title | Issue Date |
| 20120107152 | MODULAR DIAPHRAGM PUMPING SYSTEM The present invention provides apparatus featuring a pump system, including a modular diaphragm pump system, comprising pump modules and couplers, where the pump modules are configured to receive input feeds of fluid being drawn into the pump modules, to provide output ... | 05/03/2012 |
| 20120048407 | DEVICES AND SYSTEMS FOR MEDICAL FLUID TREATMENT The devices and systems are medical fluid treatment therapies. The device and systems are configured and capable of operating based on small volumes of fluids. The devices and systems include a pump configured for small volume of a fluid. The pump may include a first co... | 03/01/2012 |
| 20120045350 | DOUBLE-DIAPHRAGM PUMPS A double-diaphragm pump comprising a pair of axially spaced apart pumping chambers, each chamber having a pumping diaphragm which divides each chamber into an inner and outer compartment, the inner ends of both pumping chambers being closed by a central element, means f... | 02/23/2012 |
| 20110311379 | PUMP DIAPHRAGM A diaphragm assembly designed for employment in a fluid driven diaphragm pump includes a piston having an inflexible core. This core includes a hub with a plate extending radially from about the periphery of the hub and a center attachment concentrically arranged in the... | 12/22/2011 |
| 20110282223 | DIAPHRAGM PUMP AND BLOOD PRESSURE MONITOR A diaphragm pump for achieving reduced pressure ripple of an exhausted gas is provided. The diaphragm pump is a pump for transporting a gas in accordance with change in volume of a pump chamber, and the diaphragm pump includes an exhaust valve permitting flow of the gas... | 11/17/2011 |
| 20110280747 | PUMP WITH AN ELASTIC MEMBRANE AND HYDRAULIC CONTROL A hydraulically-controlled diaphragm pump has a pump chamber (3) formed between a pump head and a pump body (9) with a movable wall formed by a diaphragm that is elastically deformable from its rest shape that corresponds to its state at the end of the suc... | 11/17/2011 |
| 20110229352 | High Pressure Double Membrane Pump and Membrane Element for Such a Pump A high pressure double membrane pump has a central housing (3), two cylindrical pump chambers (7,8), a coupling rod (4) which moves back and forth when the pump is in operation and which has a pump piston (9), two membranes which divide each ... | 09/22/2011 |
| 20110189030 | FLUID PUMP The present invention relates to the oil pump, and can be used with a standard pump jack. The pump can be used to withdraw any type of fluid, including water for example. Certain aspects of the invention relate to a method and apparatus for efficiently converting the up... | 08/04/2011 |
| 20110142692 | Air Logic Controller An air logic controller for increasing the efficiency of an air operated double diaphragm pump. The air logic controller may increase the efficiency of the pump by controlling the supply of compressed fluid to the pump. In one embodiment, the air logic controller may co... | 06/16/2011 |
| 20110135514 | Pump Device A pump device includes a pulsator as a drive element for a main pump head which is situated in a delivery line and the working chamber of which is provided with a suction-side non-return valve and a pressure-side non-return valve. The working chamber of the pulsator is ... | 06/09/2011 |
| 20110028853 | CHECK VALVE STRUCTURE, DIAPHRAGM PUMP, AND SPHYGMOMANOMETER A check valve structure has a first space and a second space. The check valve structure is configured to allow a flow of a fluid from the first space to the second space and to inhibit flow of the fluid from the second space to the first space. The check valve structure... | 02/03/2011 |
| 20110027108 | Polymer-Metallic Reagent Head A reagent head has a housing, an inlet and an outlet. Check valves and other details are not shown for clarity. The reagent head may have a dish where a diaphragm may seat when in a fully forward position. The reagent head may be constructed primarily from a high-streng... | 02/03/2011 |
| 20100284834 | Air Operated Diaphragm Pump With Electric Generator An air operated double diaphragm pump comprises an integrated electric generator and an air efficiency device. The integrated electric generator increases the portability of the air operated double diaphragm pump. The air efficiency device varies the amount of compresse... | 11/11/2010 |
| 20100266421 | Pump system The invention provides a pumping system for delivering a plurality of different materials serially at a location at substantially the same flow rate wherein the system has a plurality of diaphragm pumps wherein each diaphragm pump has a first chamber for receiving a hyd... | 10/21/2010 |
| 20100158716 | PRECISION PUMP WITH MULTIPLE HEADS A pump for one or more different process fluids is provided including a pumping chamber having a process fluid inlet and outlet coupled to a process fluid valve on each pumping chamber for selectively preventing and allowing flow of process fluid through the pumping cha... | 06/24/2010 |
| 20100104458 | PUMP A pump that has a cavity (13) in which is located a non-elastomeric membrane (14). An inlet (24) opens into the cavity (13) and is associated with a valve (27). A valve (28) is likewise provided in an outlet (25). Also op... | 04/29/2010 |
| 20100028174 | CHECK VALVE HAVING INTEGRALLY FORMED SEAT AND SEAL BODY A valve assembly includes first and second conduits having respective first and second flanges in abutment with each other, a stopper in the second conduit, and a valve body secured between the first and second flanges. The valve body includes a body bore in communicati... | 02/04/2010 |
| 20090202361 | CONTROL SYSTEM FOR AN AIR OPERATED DIAPHRAGM PUMP The present invention includes methods and apparatuses for operating and controlling AOD pumps (10, 10′, 10″, 100, 460, 580, 740) and other pumps.... | 08/13/2009 |
| 20090155098 | Pump structure connectable with an air cushion or a bladder A pump structure connectable with an aircushion or a bladder. The pump structure includes: a flexible main body defining a valve room in which a relief valve is arranged and a compressible chamber; a one-way valve permitting the fluid to one-way flow into the chamber; a... | 06/18/2009 |
| 20090139769 | APPARATUS AND METHOD FOR A HYDRAULIC DIAPHRAGM DOWNHOLE MUD MOTOR A downhole motor to drill a wellbore including a pumping apparatus having a first chamber configured to receive a first fluid and a second fluid, and a first flexible diaphragm disposed with the first chamber configured to separate the first and second fluid, wherein th... | 06/04/2009 |
| 20090093797 | Two way accumulatorprogrammable valve pump An improved implantable valve accumulator pump for the delivery of medication is disclosed. The implantable pump comprises a pressurized drug reservoir. The medication metering assembly comprises a fixed volume accumulator positioned between a pair of valves. The valves... | 04/09/2009 |
| 20090068032 | Sanitary Diaphragm Pump for Critical Bioprocess Applications An easily cleaned and/or sterilized fluid pumping assembly including a first pump housing including a first inner chamber. The first pump housing includes a fluid access port adapted to provide fluid communication between an outside of the first pump housing and the fir... | 03/12/2009 |
| 20090053074 | Positive displacement pump and method of use thereof The present invention relates to positive displacement pumps, and particularly to diaphragm positive displacement pumps. An inventive diaphragm positive displacement pump is provided comprising at least one pumping chamber containing a deformable hose diaphragm, a worki... | 02/26/2009 |
| 20090016909 | PRECISION PUMP WITH MULTIPLE HEADS A pump for use in handling one or more different process fluids includes a plurality of pumping chambers having a process fluid inlet and a process fluid outlet, process fluid outlet coupled to a process fluid valve on each pumping chamber for selectively preventing and... | 01/15/2009 |
| 20080260553 | MEMBRANE PUMP DEVICE A membrane pump device powered by an activating element includes a chamber body and a second chamber body. The interior of the chamber body is provided with a chamber. Both sides of the chamber body are provided with an inlet pipeline and an outlet pipeline that are in ... | 10/23/2008 |
| 20080260552 | MEMBRANE PUMP A membrane pump powered by an activating element includes a chamber body. The interior of the chamber body is provided with a first chamber and a second chamber that are in fluid communication with each other. One side or both sides of the chamber body are provided with... | 10/23/2008 |
| 20080226466 | Hydraulically Driven Multicylinder Pumping Machine A hydraulically driven multicylinder diaphragm pumping machine for pumping difficult-to-pump materials comprises pump cylinders each having at one end (20) an inlet/outlet (21) for fluid material to be pumped supplied under adjustable pneumatic pressure, a... | 09/18/2008 |
| 20080226468 | Disposable positive displacement dosing pump A disposable positive displacement pump is disclosed. The pump includes a pump housing having head portion and a body, the head portion having one or more fluid passage openings. The pump also includes a rolling diaphragm internal to the pump housing and defining a flui... | 09/18/2008 |
| 20080138214 | CHEMICAL LIQUID SUPPLYING APPARATUS A chemical liquid supplying apparatus capable of discharging chemical liquid with high accuracy and monitoring a leakage of an incompressible medium from a region between a piston and a cylinder is provided. A pump has a flexible tube for partitioning a pump chamber and... | 06/12/2008 |
| 20080089794 | Pump for Supplying Chemical Liquids An opening 22d of a supply/withdrawal passage 22b is positioned at the center part of the internal wall surface 22c of the operating chamber 26 (concave area 22a), and a pin 24 that protrudes toward t... | 04/17/2008 |
| 20080077068 | DIAPHRAGM PUMP AND RELATED METHODS In some arrangements, a pump for moving a fluid has one or more pump chambers and one or more flow control valves with diaphragm actuation regions. Motive fluid can activate the diaphragm actuation regions, and a pattern of fluid flow can be controlled by varying the pr... | 03/27/2008 |
| 20080063543 | Micro-pump A micro-pump having a first layer, a second layer and an intermediate flexible layer is disclosed. The first layer and second layer may be of moldable plastics. The intermediate layer may be a substantially flat PDMS membrane layer having an inlet hole and an outlet hol... | 03/13/2008 |
| 20080056916 | Pump device The present invention relates to a pump device with a first diaphragm pump head having two or an integral multiple of two fluid delivery chambers and diaphragms associated therewith, which are hydraulically coupled to a second diaphragm pump head. The second diaphragm p... | 03/06/2008 |
| 20080033352 | Diaphragm pump with prophylactic cover A device for protecting the diaphragm of a pump, such as a diaphragm pump for a breastpump, from fluid (air/milk) is disclosed. A mounted flexible cover is located between the shell of the pump and the movable diaphragm membrane within the shell which isolates the membr... | 02/07/2008 |
| 20070248474 | Air driven pump with performance control An air driven diaphragm pump includes an performance control actuator having a housing with opposed air chambers. The pump includes pump chambers facing the air chambers and pump diaphragms extending between each air chamber and each pump chamber, respectively. The actu... | 10/25/2007 |
| 20070177998 | Liquid chemical supply system A liquid chemical supply system includes a liquid chemical pump having a pump chamber for supplying a liquid chemical and a volume variation member that will vary the volume of the pump chamber, and will intake or discharge the liquid chemical based upon a change in the... | 08/02/2007 |
| 20070140873 | Pump A pump that has a cavity (13) in which is located a flexible membrane (14). An inlet (24) opens into the cavity (13) and is associated with a valve (27). A valve (28) is likewise provided in an outlet (25). Also opening i... | 06/21/2007 |
| 20070122291 | Liquid chemical supply system having a plurality of pressure detectors [Problem] To always perform accurate pressure feedback control, and control the discharge flow rate of liquid chemical with high precision, even in situations in which the pressure setting value of the operation pressure differs due to changes in the type of liquid chem... | 05/31/2007 |
| 20070092385 | Pump and valve actuator system and method A double diaphragm pump including a dual spool valve actuator. A set of piston/diaphragm assemblies can be coupled to a pilot spool valve, which can direct air flow to a main spool valve. The main spool valve can direct air flow to pump chambers. Components of the pump ... | 04/26/2007 |
| 20070092386 | Method and control system for a pump The present invention includes methods and apparatuses for operating and controlling AOD pumps. ... | 04/26/2007 |
