| Patents for F04B 53 - Component parts, details or accessories not provided for in, or of interest apart from, groups or (19,443) |
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| 08/17/2004 | US6776419 Seal for a reciprocating plunger |
| 08/12/2004 | WO2004011763A3 Mechanical bladder pump |
| 08/12/2004 | US20040155409 Arrangement in connection with mechanical seal |
| 08/12/2004 | DE10358548A1 Sealing and guiding element for piston or slide of reciprocating piston engine has single or multi-section piston ring each with at least one communication path which connects high pressure side of piston ring to respective slide face |
| 08/12/2004 | DE10354477A1 Sensor für eine Pumpe mit variabler Verdrängung Sensor for a variable displacement pump |
| 08/12/2004 | DE10302681B3 Hydraulikaggregat Hydraulic unit |
| 08/11/2004 | EP0986710B1 Reciprocating pump |
| 08/11/2004 | CN2632344Y Cylinder cap and air valve component of air compressor |
| 08/11/2004 | CN1161539C Reciprocating fluid machines |
| 08/05/2004 | WO2003022328A3 Infusion device and driving mechanism for same |
| 08/05/2004 | US20040150168 Power end seal |
| 08/05/2004 | US20040149126 Pump cylinder lock |
| 08/05/2004 | US20040149124 Combination of a chamber and a piston, a pump, a motor, a schock absorber and a transducer incorporating the combination |
| 08/05/2004 | DE19843695B4 Dosierpumpe Metering pump |
| 08/04/2004 | EP1442213A1 Intake valve for a high-pressure pump, in particular for internal combustion engine fuel |
| 08/04/2004 | EP0995036B1 Pump unit |
| 08/04/2004 | CN2630488Y Float-ring pump hollow sucker rod circulating sand-removing oil-producing apparatus |
| 08/04/2004 | CN1518649A Reciprocating piston pump adjustable inlet ball travel |
| 08/04/2004 | CN1518633A 泵缸锁 Pump cylinder lock |
| 08/04/2004 | CN1517548A Powder pump device and its using method and powder coating device |
| 08/03/2004 | US6769695 Back-up rings for high pressure seals, packing assembly, and pumps incorporating same |
| 08/03/2004 | US6769414 Fuel system, method for operating the fuel system, computer program and control and/or regulating unit for controlling the fuel system |
| 07/29/2004 | WO2004063559A1 Fuel feed pump |
| 07/29/2004 | US20040146409 Micro-pump driven by phase change of a fluid |
| 07/29/2004 | US20040146407 Micropump |
| 07/29/2004 | US20040144736 A Chemical Liquid Supply Apparatus and A Chemical Liquid Supply Method |
| 07/28/2004 | EP1068449B1 Pump unit for a slip-regulated hydraulic automobile brake system |
| 07/28/2004 | CN2628756Y Wearproof, long service life, high corrosion resistant, and low cost plunger piston |
| 07/28/2004 | CN2628755Y Compressor air valve |
| 07/22/2004 | WO2004061308A1 Passive membrane microvalves |
| 07/22/2004 | DE10300280A1 Pumpeneinrichtung für Pulver, Verfahren hierfür und Pulverbeschichtungseinrichtung Pump means for powder, powder coating equipment and method therefor |
| 07/21/2004 | EP1439307A1 Bubble driven micropump |
| 07/21/2004 | EP1439006A1 Liquid material delivering method and device therefor |
| 07/21/2004 | EP1438505A2 Pump element and piston pump for generating high fuel pressure |
| 07/21/2004 | EP1351846B1 Motor pump unit, particularly a motor vehicle braking device |
| 07/21/2004 | EP1317790B1 Liquid-cooled electromotor |
| 07/21/2004 | EP1315905B1 Fluid-moving device with integrated valve |
| 07/20/2004 | US6764286 Piston pump with pump inlet check valve |
| 07/20/2004 | US6764284 Pump mount using sanitary flange clamp |
| 07/15/2004 | WO2004059164A1 Dosing pump assembly |
| 07/15/2004 | WO2004003219A3 Improved assay systems and components |
| 07/15/2004 | US20040134495 Piston-pump-system |
| 07/15/2004 | DE19618524B4 Axialkolbenpumpe vom Taumelscheibentyp Axial piston pump swash plate type |
| 07/15/2004 | DE10024546B4 Mehrfachkurbeltrieb für Triplexmembranpumpen Multi-crank mechanism for Triplexmembranpumpen |
| 07/14/2004 | EP1437508A1 Valved piston compressor |
| 07/14/2004 | EP1437178A2 Powder pumping installation, Method therefore and powder coating installation |
| 07/14/2004 | EP1108170A4 Replaceable mud pump piston seal |
| 07/14/2004 | EP0925448B1 Hydraulic pump and hydraulic engine |
| 07/14/2004 | CN1513095A 密封装置 Sealing device |
| 07/14/2004 | CN1513088A Combination of chamber and piston, pump, motor, shock absorber and transducer incorporating the combination |
| 07/14/2004 | CN1512907A Integrated filter housing |
| 07/14/2004 | CN1512080A Hydraulic producing device |
| 07/08/2004 | US20040131488 Water well pump |
| 07/08/2004 | CA2559620A1 Container with tube holder |
| 07/08/2004 | CA2453866A1 Method and system for pumping powder, and powder coating apparatus |
| 07/07/2004 | EP1435458A1 Dosing pump unit |
| 07/07/2004 | CN2623911Y Body case of minitype diaphragm metering pump |
| 07/07/2004 | CN2623910Y Water recovery apparatus for plunger pump |
| 07/07/2004 | CN2623909Y Novel water in and out valve for plunger pump |
| 07/07/2004 | CN1511221A Central lubricating unit |
| 07/01/2004 | US20040126245 Hydraulic pump and motor |
| 07/01/2004 | DE10356250A1 Hochdruckkraftstoffzuführpumpe Hochdruckkraftstoffzuführpumpe |
| 07/01/2004 | DE10257951A1 Kolbenkompressor Piston Compressor |
| 06/30/2004 | EP1432913A2 Shaft coupling and shifting mechanism for pneumatic pump |
| 06/30/2004 | EP1360406B1 Fuel system, method for operating the fuel system, computer programme and control device and/or regulator for controlling said system |
| 06/30/2004 | EP1261803B1 Leakage oil return apparatus for a hydraulic motor |
| 06/30/2004 | CN1509199A Chemical Supply device and method thereof |
| 06/30/2004 | CN1508434A Piston of variable displacement compressor for automobile air conditioning system |
| 06/30/2004 | CN1508429A 泵 Pump |
| 06/29/2004 | US6755630 Apparatus for compressing fluid |
| 06/29/2004 | US6755629 Fuel injection pump having one-way valve for supplying fuel into pressurizing chamber |
| 06/29/2004 | US6755628 Valve body for a traveling barrel pump |
| 06/29/2004 | US6755626 Miniature pump, cooling system and portable equipment |
| 06/29/2004 | US6755018 Leakage oil return apparatus for a hydraulic motor |
| 06/24/2004 | WO2004053369A1 High pressure check valve |
| 06/24/2004 | WO2004053362A1 Piston pump system |
| 06/24/2004 | WO2004053331A1 Piston compressor |
| 06/24/2004 | US20040120836 Passive membrane microvalves |
| 06/24/2004 | CA2508050A1 High pressure check valve |
| 06/23/2004 | EP1431572A1 Internal Combustion Engine having a Pump and Method to replace the Pump |
| 06/23/2004 | EP1430224A1 Connecting element for connecting a piston to a restoring element |
| 06/23/2004 | CN1506581A Air compressor piston in improved structure |
| 06/23/2004 | CN1506580A Pump, cooling device and electronic equipment thereof |
| 06/22/2004 | US6752068 High pressure fuel supply apparatus |
| 06/22/2004 | US6752067 Airless spray pump |
| 06/17/2004 | US20040115065 Sensor for a variable displacement pump |
| 06/17/2004 | DE10256189A1 Hydraulic unit for driving automobile power steering system, has stator provided with two vertical channels coaxial to motor shaft |
| 06/16/2004 | EP1429060A1 Outlet valve for compressor |
| 06/16/2004 | EP1428977A1 Rotary fluid machine |
| 06/16/2004 | EP1427939A1 A compact vacuum pump |
| 06/16/2004 | EP1307370B1 Pump aggregate for a hydraulic vehicle braking system |
| 06/16/2004 | CN2620778Y Piston rod for petroleum well-drilling slurry pump |
| 06/16/2004 | CN1504642A Suction muffler for compressor |
| 06/15/2004 | US6749403 Methods for controlling a pump's flow rate by pulsed discharge |
| 06/15/2004 | US6748923 Injection system for an internal combustion engine and method for regulating and/or bleeding of said system |
| 06/10/2004 | WO2004048823A2 Seal for high-pressure pumping system |
| 06/10/2004 | US20040108479 Valves activated by electrically active polymers or by shape-memory materials, device containing same and method for using same |
| 06/10/2004 | US20040108000 Ultrahigh-pressure check valve |
| 06/09/2004 | EP1426662A1 Piston pump |
| 06/09/2004 | EP1426627A2 Hydraulic pressure-generating apparatus |