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)
12/2012
12/12/2012CN202597010U Pneumatic liquid charge pump for coal mine
12/12/2012CN102817827A Reversing valve and manual hydraulic pump with same
12/12/2012CN102817820A Hydraulic-driving-type oil pumping and boosting pump
12/12/2012CN102032134B Telescopic water pump device and water pump system
12/12/2012CN101737284B Single eccentric center translation reciprocating mechanism
12/05/2012EP2530319A1 Pump
12/05/2012EP2530295A1 Pump tappet
12/05/2012CN202579156U Reversing valve and manual hydraulic pump with same
12/05/2012CN202579146U Distributing shaft and manual hydraulic pump provided with same
12/05/2012CN202579076U Pneumatic pump
12/05/2012CN202579075U Pneumatic pump
12/05/2012CN202579074U Water pump for steam cleaning device
12/05/2012CN102808751A Oilfield high-flow reciprocating water injection pump
12/04/2012CA2479673C Water-powered sump pump
11/2012
11/29/2012WO2012160074A1 Slotted guide for two-stage compressor
11/29/2012WO2012091508A3 Compressor
11/29/2012US20120301328 Multistage piston compressor
11/29/2012DE102009057070B9 Kolbenmaschine zum Einsatz als Vakuumpumpe für medizinische Zwecke Piston engine for use as a vacuum pump for medical purposes
11/28/2012CN202560501U Novel oil tanker fuel feed pump
11/28/2012CN202560500U A water pump
11/28/2012CN102803725A Micropump
11/28/2012CN102797649A Potential energy converting device of novel hydraulic piston pump
11/28/2012CN101509478B Water stream potential energy automatic pump
11/28/2012CN101371040B Hydraulic machine, in particular hydraulic motor, with a recipricating movement
11/22/2012US20120294735 Coupling system for use with fluid displacement apparatus
11/22/2012DE102009057070B4 Kolbenmaschine zum Einsatz als Vakuumpumpe für medizinische Zwecke Piston engine for use as a vacuum pump for medical purposes
11/21/2012EP2525095A2 Pump for generating compressed air
11/21/2012CN202545155U Portable manual grouting pump
11/21/2012CN202545154U Reciprocating-type manual operation pump
11/21/2012CN102787997A Energy collector
11/15/2012WO2012155068A2 A positive displacement multi-cyclinder pump
11/15/2012WO2012152609A1 Reciprocating pump assembly for liquids
11/14/2012DE202012010041U1 Strandspielzeugpumpe Beach toys pump
11/14/2012CN202531376U Gas-liquid constant pressure pump
11/14/2012CN202531375U Static hydropower water feeder
11/14/2012CN102777373A Double-liquid synchronous grouting pump
11/14/2012CN101855450B Improved concrete pump
11/13/2012US8308444 Fluid pressure exchange mechanism and method of operating same
11/13/2012CA2511462C Airless dispensing pump
11/07/2012CN202520496U Rotatablely-operated synchronous self-locking manual pump
11/07/2012CN202520495U Universally operated self-locking manual pump
11/07/2012CN202520494U Multi-position operated self-locking manual pump
11/07/2012CN202520493U Hydraulic double-fluid grouting pump
11/07/2012CN202520492U Wave energy collection boat
11/07/2012CN202520491U Automatic water pump
11/07/2012CN102770666A Pump
11/07/2012CN102767498A Multifunctional single-cylinder concrete pump
11/07/2012CN101600883B Positive displacement pump apparatus
11/06/2012US8303572 Medication reservoir
11/01/2012WO2012147477A1 Multilayer diaphragm
11/01/2012US20120273056 Barrier composition
10/2012
10/31/2012DE102012103643A1 Handpumpen-Gasdurchflusskanalanordnung für eine Flüssigkeitsansaug- und -ausgabevorrichtung Hand pump gas flow channel arrangement for a liquid suction and dispensing
10/31/2012CN202510658U Cam push rod mechanism and plunger pump having camshaft and tappet body
10/31/2012CN202510305U Pneumatic water pump
10/31/2012CN202510304U Pumping device and engineering machine
10/31/2012CN202510303U Pumping mechanism and pump truck therewith
10/31/2012CN202510302U Hydraulic control high-pressure variable plunger pump
10/31/2012CN202510301U Menstrual period underpants for warming uterus
10/31/2012CN102758753A Oil extraction device with metering function
10/26/2012WO2012145348A2 Electrical submersible pump with reciprocating linear motor
10/26/2012WO2012144284A1 X/y-separation crank mechanism and drive device provided therewith
10/26/2012WO2012144073A1 X/y-separation crank mechanism and drive device provided therewith
10/25/2012DE202012103845U1 Lotionsausgiesskopf oder Dispenservorrichtung Lotionsausgiesskopf or dispenser device
10/25/2012DE10158768B4 Radialkolbenpumpe Radial piston pump
10/24/2012CN202500739U Manually driven water pump
10/24/2012CN202500734U Submerged reciprocating diaphragm type metering pump
10/24/2012CN202500733U Supercharging water injection pump
10/24/2012CN102753817A Ring cam and fluid-working machine including ring cam
10/23/2012CA2456478C Discharge device for manually producing a volume flow
10/18/2012WO2012140967A1 Actuator-support structure and pump device
10/18/2012WO2012140346A1 Piston pump having flat guidance
10/18/2012US20120263606 Electrical Submersible Pump with Reciprocating Linear Motor
10/17/2012CN102741559A Micro fluid device
10/17/2012CN102734113A Hydraulic drive type slurry sucking and discharging device
10/17/2012CN102734112A Concrete pumping equipment and concrete conveying hydraulic system thereof
10/17/2012CN102734111A Plunger pump
10/17/2012CN102734110A Reciprocating piston type compressor
10/17/2012CN102734108A Four-cylinder slurry pump
10/11/2012WO2012137292A1 Vehicle oil pump
10/10/2012CN202483820U Self-absorption vertical water sucking well head for water pump
10/10/2012CN202483819U Pneumatic two-liquid grouting pump
10/10/2012CN202483818U Pneumatic hydraulic pump
10/10/2012CN102052275B Parallel liquid phase chromatographic pump
10/10/2012CN101479481B Hydraulic oil well pumping apparatus
10/04/2012WO2012131111A1 Pump and devices and units comprising such a pump
10/04/2012DE102012204191A1 Elektrische Ölpumpe Electric oil pump
10/03/2012CN202468190U Deep well water pumping machine
10/03/2012CN202468189U Concrete piston automatic retracting apparatus of enclosed pumping system
10/03/2012CN202468188U Fluid end structure of high pressure plunger pump
10/03/2012CN202468187U Positive displacement diaphragm pump drainage self-priming pump
10/03/2012CN202466697U Multiple-nozzle washing stand
10/03/2012CN102713294A Readily removable pump crosshead
10/03/2012CN102713291A Device to deliver fluid products or suchlike and relative method
09/2012
09/27/2012WO2012128275A1 Liquid transport actuator and method for manufacturing same
09/27/2012WO2012070881A3 Fluid-circulating device using a cam track and centrifugal force
09/26/2012EP2501934A1 Telescopic enclosure for rod coupler
09/26/2012CN202451386U Clearance oil supply type pneumatic filling pump
09/26/2012CN202451385U Hand wheel control high pressure variable plunger pump
09/26/2012CN202451384U Hydraulic internal and external double-control high-pressure variable piston pump
09/26/2012CN202451383U Hydraulic pump
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