| Patents for F04B 43 - Machines, pumps, or pumping installations having flexible working members (13,111) |
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| 10/07/2004 | US20040197211 Reciprocating fluid transfer pump |
| 10/07/2004 | US20040197201 4-Stage diaphragm compressor |
| 10/07/2004 | DE10313158A1 Micropump with piezoelectric membrane actuator contacting inner contour of opposing part of pump chamber wall in its deformed condition |
| 10/07/2004 | DE10312899A1 Membranpumpe Diaphragm pump |
| 10/07/2004 | DE10312898A1 Hubkolbenmaschine Reciprocating engine |
| 10/06/2004 | EP1463796A1 Microfluidic device and methods of using same |
| 10/06/2004 | EP1226359B1 Active electrostatic seal and electrostatic vacuum pump |
| 10/06/2004 | CN2646413Y Accurate trace quantity metering pump |
| 10/06/2004 | CN1534193A Monolithic unidirectional liquid micropump having suspension T shaped valve film micro valve |
| 09/30/2004 | WO2004084274A2 Piezoelectric actuator and pump using same |
| 09/30/2004 | WO2004083640A2 Roller pump |
| 09/30/2004 | WO2004083639A1 Diaphragm pump |
| 09/30/2004 | WO2004083638A1 Reciprocating piston engine |
| 09/30/2004 | US20040191128 Slide stainer with heating |
| 09/30/2004 | US20040191093 Diaphragm pump with integrated pressure sensor |
| 09/30/2004 | US20040191086 Disposable fluid delivery system |
| 09/30/2004 | US20040189103 Linear motor |
| 09/30/2004 | US20040188464 Metering pump dispenser |
| 09/29/2004 | EP1462181A1 Dosing dispenser with bellows pump and follower plunger |
| 09/29/2004 | EP1180215B1 Peristaltic fluid pump |
| 09/29/2004 | EP0912830B1 Double acting pneumatically driven rolling diaphragm pump |
| 09/29/2004 | CN1532400A Quantitative pump distributor |
| 09/29/2004 | CN1168898C Superminiature electronic pump |
| 09/28/2004 | US6797063 Dispensing apparatus |
| 09/28/2004 | US6796215 Membrane pump |
| 09/28/2004 | CA2336305C Determining when fluid has stopped flowing within an element |
| 09/23/2004 | WO2004081741A2 Integrated microfluidic control employing programmable tactile actuators |
| 09/23/2004 | WO2004081390A1 Microvalve that is doubly closed in a normal manner |
| 09/23/2004 | WO2003101887A3 Three-dimentional components prepared by thick film technology and method of producing thereof |
| 09/23/2004 | US20040184938 Bladder pump for borehole sampling |
| 09/23/2004 | US20040184933 Hydraulic pump driven by cyclic pressure |
| 09/23/2004 | US20040182237 Connecting configuration for a diaphragm in a diaphragm pump |
| 09/23/2004 | DE19919908B4 Membranpumpe mit einer durch die Membrane gesteuerten Einlaßöffnung Diaphragm pump having a diaphragm controlled by the inlet opening |
| 09/22/2004 | EP1460270A2 Diaphragm pump |
| 09/22/2004 | EP1458983A1 Standing wave cavity pump |
| 09/22/2004 | EP1458977A1 Peristaltic micropump |
| 09/22/2004 | EP1458431A1 Equipment for controlling blood flow in an extracorporeal blood circuit |
| 09/21/2004 | US6793753 Method of making a microfabricated elastomeric valve |
| 09/21/2004 | US6792982 Vacuum device for substance extraction |
| 09/16/2004 | US20040180377 Microfluidic apparatus comprising elastomeric layer and biopolymer membranes for use in high throughput proteomics |
| 09/16/2004 | US20040179964 Self-loading peristaltic pump for extracorporeal blood circuit |
| 09/16/2004 | US20040179956 Liquid pump |
| 09/16/2004 | US20040179946 Packaged micromachined device such as a vacuum micropump, device having a micromachined sealed electrical interconnect and device having a suspended micromachined bonding pad |
| 09/16/2004 | US20040178145 provides an optimized pulsed fluid flow to a filtration element; comprises a differential pressure activated valve, which seals the discharge port of the retentate head when the feed pressure exceeds the retentate pressure |
| 09/16/2004 | US20040177750 Method of producing a pump |
| 09/15/2004 | EP1457677A2 Self-loading peristaltic pump for extracorporeal blood circuit |
| 09/15/2004 | EP1456540A1 Diaphragm pump comprising an integrated pressure sensor |
| 09/15/2004 | EP1456539A1 Dosing pump |
| 09/15/2004 | EP1221180A4 Electroactive polymers |
| 09/15/2004 | EP1212800A4 Improved electroactive polymers |
| 09/15/2004 | EP1055071B1 Control device for a membrane pump |
| 09/14/2004 | US6790674 Used to sample hot liquids containing volatile materials |
| 09/14/2004 | US6790014 Fluid cooled diaphragms for diaphragm compressors |
| 09/14/2004 | CA2181084C Micropump |
| 09/10/2004 | WO2004076862A1 Electromagnetic diaphragm pump |
| 09/10/2004 | WO2004076861A1 Combination assembly for managing a hose or like elastic pump tube in a positive displacement pump |
| 09/10/2004 | WO2004076859A2 Pulse activated actuator pump system |
| 09/10/2004 | WO2004020022A3 Valve pump |
| 09/10/2004 | CA2557325A1 Pulse activated actuator pump system |
| 09/09/2004 | US20040173528 Pumps for filtration systems |
| 09/08/2004 | EP1453592A1 Dual head pump driven membrane system |
| 09/08/2004 | EP1327075A4 Pneumatic pinch mechanism for a deformable tube |
| 09/08/2004 | CN2639561Y Hose extrusion metering pump |
| 09/08/2004 | CN2639560Y Liquid transfer pump |
| 09/08/2004 | CN2639559Y 改进的隔膜式泵 Improved diaphragm pump |
| 09/08/2004 | CN1165699C One-way valve |
| 09/07/2004 | US6786708 Laminated devices and methods of making same |
| 09/02/2004 | WO2004074688A1 A hose pump feeding device |
| 09/02/2004 | US20040170511 Pump |
| 09/01/2004 | EP0839062B1 Interlock, latching and retaining mechanism for an infusion pump |
| 09/01/2004 | CN2637766Y Flow quantity regulatable hydraulic diaphragm metering pump |
| 09/01/2004 | CN2637765Y One way valve micro pump having no moving part |
| 08/31/2004 | US6783328 Method and apparatus for controlling fluid pumps |
| 08/26/2004 | WO2004071684A1 Self-cleaning tube |
| 08/26/2004 | DE10305783A1 Piston membrane pump with oil-side demand control has throughflow control valve controlling quantity of second liquid exchanged via hydraulic connection between reservoir and working volume |
| 08/26/2004 | DE10305036A1 Medical pump pressure sensor has two pressure measurement elements on single circuit board in membrane coupled housing |
| 08/25/2004 | EP1448892A1 Pump and pump control circuit apparatus and method |
| 08/25/2004 | EP1075582B1 Subsea mud pump |
| 08/25/2004 | CN2635940Y Corrosion-resisting pump with U-shape pipe and external rotor |
| 08/24/2004 | US6781284 Electroactive polymer transducers and actuators |
| 08/19/2004 | US20040161350 Diaphragm pump and anode stream recirculation system using such pump for a fuel cell |
| 08/18/2004 | EP1350029A4 Valves and pumps for microfluidic systems and method for making microfluidic systems |
| 08/18/2004 | CN1522163A Occlusion detection method and system for ambulatory drug infusion pump |
| 08/18/2004 | CN1521398A Fluid transmission method and minisize peristaltic pump for realizing the same |
| 08/18/2004 | CN1162223C Diaphragm pump |
| 08/17/2004 | US6777245 Process for manipulation of small quantities of matter |
| 08/17/2004 | US6776591 Membrane pump comprising an inlet opening that is controlled by the membrane |
| 08/17/2004 | CA2120085C Sampler |
| 08/12/2004 | WO2004067965A1 Valve structure and positive displacement pump using the valve structure |
| 08/12/2004 | WO2004067964A1 A method for fluid transfer and the micro peristaltic pump |
| 08/12/2004 | WO2004067963A1 Pump |
| 08/12/2004 | WO2004011763A3 Mechanical bladder pump |
| 08/12/2004 | US20040155211 Micropump, micropump unit including the micropump, sample processing chip for use with the unit, and sheet connector for use with the unit |
| 08/12/2004 | DE20313408U1 Vibrator pressure submergible pump for pumping water operates with a membrane system linked to a pump valve, an oscillating motor and a pump system activated by an alternating current |
| 08/12/2004 | DE10012904B4 Membraneinspannung mit Elastizitätsausgleich Cone suspension with elastic compensation |
| 08/12/2004 | CA2513636A1 A method for fluid transfer and the micro peristaltic pump |
| 08/11/2004 | EP1444141A1 Pump for dispensing flowable material |
| 08/11/2004 | CN2632339Y Piston vacuum direct-pressure double-diaphragm liquid high-pressure pumps |
| 08/10/2004 | US6773236 Internally pressurized diaphragm positive displacement pump |
| 08/05/2004 | WO2004065973A1 Multi-cell polarizer systems for hyperpolarizing gases |