Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04B - Positive-displacement machines for liquids; Pumps › F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members
Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236)
11/2003
11/27/2003WO2003098046A1 Pump system for pumping liquefied gases
11/26/2003CN2588073Y Pressure increased potential energy pump
11/26/2003CN1459004A Arrangement at piston engine and method of controlling the pistons
11/26/2003CN1128684C Suction pump
11/26/2003CN1128683C Improved pre-compression spray pump and fluid distributor including said pump
11/26/2003CN1128682C Dispernser of chemically unstable products
11/25/2003US6652741 Piston pump, method and installation for filtering water
11/25/2003US6652245 Piston pump for hydraulic vehicle brake system
11/20/2003US20030215341 Pump system for pumping liquefied gases
11/20/2003US20030215334 Micropump with heating elements for a pulsed operation
11/19/2003EP1363020A2 Micro pump with heating elements for pulsed operation mode
11/19/2003CN2586825Y Gravity water pump
11/13/2003WO2003093646A1 Radial piston pump
11/13/2003US20030209546 Depressurizing pump assemblies and closures for beverage container
11/12/2003CN1455084A Air-placed concrete pump
11/12/2003CN1127616C High pressure fuel pump and its cam
11/11/2003US6644941 Apparatus and method for reducing ice formation in gas-driven motors
11/11/2003US6644940 Restarting device for a fluid operated double diaphragm piston pump
11/11/2003US6644937 Water powered pumping system with fluid link
11/11/2003US6644930 Method and arrangement for pumping a material using a dual chamber pump system
11/06/2003US20030205588 Apparatus for dispensing flowable material
11/06/2003DE10227444C1 Fluid pressure pump has Bowden cable between reciprocating piston and operating drive on outside of pump housing
11/05/2003EP1358944A2 Dispenser for applying liquids
11/05/2003EP1358407A2 High pressure water pump
11/05/2003EP1357958A2 Apparatus and method for regulating fluid pump pressures
11/05/2003EP1141611B1 System for conveying liquids without pulsing
11/05/2003EP1007470B1 Method and device for the production of beverages
11/05/2003CN2584856Y Pneumatic pump
11/05/2003CN1453473A Multiple-purpose water-energy hydraulic water pump
11/04/2003US6641375 Pneumatically operated oil pump
11/02/2003CA2425778A1 Dispenser for the discharge of flowable media
10/2003
10/30/2003WO2003089151A1 Fluid product dispensing pump
10/30/2003US20030202884 Composite liquid pumping equipment
10/29/2003EP1356222A1 Pneumatic motor assembly for a lubricant pump
10/29/2003EP1107896B1 Motor-pump assembly
10/29/2003CN2583390Y Mortar pump
10/29/2003CN2583389Y Oppsited reciprocating motion device
10/29/2003CN1452588A Manually actuated pump assembly
10/29/2003CN1451481A Liquid pump dispenser capable of preventing child from using
10/28/2003USRE38291 Plunger device and method of making and using the same thereof
10/28/2003US6638039 Device for removing water from a pipe
10/23/2003WO2003087575A1 Hydrotransformer
10/23/2003WO2003086676A1 Hydraulic compression tool and hydraulic compression tool motor
10/23/2003WO2003086649A1 Distribution pump for a liquid product
10/23/2003US20030198561 Pump system
10/23/2003US20030198560 Apparatus and method for reducing ice formation in gas-driven motors
10/23/2003CA2481977A1 Hydraulic compression tool and hydraulic compression tool motor
10/22/2003CN2581723Y Hand variable oil pump
10/22/2003CN2581722Y Pressurized water injection pump
10/22/2003CN2581721Y Reciprocating piston pump
10/22/2003CN1450264A Air pump for bicycle
10/21/2003US6634872 Suction pump
10/16/2003WO2003056124A3 Hydraulic multiphase pump
10/16/2003US20030192913 Swivel pump dispenser for dispensing liquid from a selected one of plurality of liquid compartments
10/16/2003US20030192619 Air pump for bicycles
10/16/2003DE20309077U1 Hand-operated pump for removing liquid honey from glass or jar has lid with screw thread, rotary pump with handle and tube reaching nearly to bottom of jar
10/15/2003EP1353068A2 Air Pump For Bicycles
10/15/2003EP1353067A1 Motor pump unit
10/15/2003EP1352875A1 Child-resistant liquid dispenser
10/15/2003EP1352690A1 Swivel pump dispenser for dispensing liquid from a selected one of a plurality of liquid compartments
10/15/2003CN2580138Y Hand swing water pumping cylinder for water pump
10/12/2003CA2424189A1 Child-resistant liquid dispenser
10/10/2003CA2424161A1 Swivel pump dispenser for dispensing liquid from a selected one of a plurality of liquid compartments
10/09/2003WO2003083301A1 Leak oil recovery in a double acting free piston assembly
10/09/2003WO2003083300A1 Reciprocable piston with a fluid scavenging system and method of scavenging a fluid
10/09/2003WO2003083298A1 Method and apparatus for compressing a gas to a high pressure
10/09/2003US20030190240 Pneumatically operated oil pump with a reciprocation suction tube
10/09/2003US20030188566 Hydraulic compression tool and hydraulic compression tool motor
10/08/2003EP1350056A1 Fluid delivery apparatus and method
10/08/2003CN2578550Y Gas lamps
10/08/2003CN2578549Y Reciprocal pneuamtic oil sucking pump
10/08/2003CN2578548Y Hydraulic reciprocal sludge pumps
10/08/2003CN1447027A Piston type water pump
10/07/2003CA2379721C Method and device for desalting water
10/02/2003WO2003081762A1 Electroactive polymer devices for moving fluid
10/02/2003WO2003039756A3 Fluid product dispensing pump
10/02/2003US20030185688 Natural power water pumping system capable of conveying a water flow to any height
10/01/2003EP1349265A1 Linear compressor drive device
10/01/2003CN2577001Y Portable electric and manual oil pump
10/01/2003CN1122795C Swashplate for swashplate compressor
09/2003
09/30/2003CA2379756C Method and apparatus for a double acting reciprocating piston assembly
09/25/2003WO2003078841A1 Pump
09/25/2003US20030178061 Toilet bowl and tank drainage device
09/24/2003EP1345840A2 Fluid delivery device
09/24/2003EP1084334B1 Erfahren
09/24/2003CN2575324Y Sandproof and air efficient oil-well pump
09/23/2003US6623257 Disposable mechanism for taking out a fixed amount of fluid and system for supplying a fixed amount of fluid
09/23/2003US6623254 High pressure water pump
09/23/2003US6623248 System for conveying liquids without pulsing
09/18/2003WO2003076806A1 The ununiform rotary transmission and control method which is using the pump and compressor and internal combustion engine
09/18/2003WO2003076777A1 Reciprocating and rotary internal combustion engine, compressor and pump
09/17/2003EP1344569A2 Dispenser for flowable products containing components in spherical microcapsules
09/17/2003CN2573720Y Hand piston oil pump
09/16/2003US6619932 Restarting device of a pump change-over valve which induces a pressure difference within the pump change-over valve to remove the latter from an intermediate stalled position
09/16/2003US6619513 Pump for fitting to a receptacle, the pump including an elastically deformable membrane outside the pump chamber
09/12/2003WO2003011376A8 Apparatus and method for regulating fluid pump pressures
09/11/2003US20030170127 Thick matter pump
09/11/2003US20030168477 Dispenser for flowable products with spherically encapsulated components
09/11/2003US20030168048 Fuel pump drive system
09/11/2003US20030168026 Reciprocating and rotary internal combustion engine, compressor and pump
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