| Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236) |
|---|
| 11/03/1993 | CN2145268Y Well open-close device of hand pressing water pump |
| 11/03/1993 | CN2145267Y Miniature efficiente pressure adjusting inflater |
| 10/28/1993 | WO1993020928A1 Pump for reverse osmosis system |
| 10/28/1993 | DE4213359A1 Piston dispenser for viscous reactive media - contains bore passing from piston through piston rod to outlet for dispensing material after certain reaction time. |
| 10/27/1993 | CN2144720Y Pedal water pump |
| 10/26/1993 | CA1323618C Atomizing pump |
| 10/20/1993 | EP0566067A2 Bearing unit and electric pump using the same |
| 10/20/1993 | EP0565977A2 Plastic dosing pump for low viscosity materials, in particular pasty materials |
| 10/19/1993 | US5253981 Multichannel pump apparatus with microflow rate capability |
| 10/19/1993 | US5253682 Free piston gas delivery apparatus and method |
| 10/14/1993 | WO1993020350A1 Pressure booster |
| 10/14/1993 | WO1993020338A1 Magnetically actuated fluid motor |
| 10/14/1993 | CA2117526A1 Magnetically actuated fluid motor |
| 10/13/1993 | EP0427798B1 Apparatus for and method of managing liquid under pressure |
| 10/13/1993 | CN2143683Y Hand operated high pressure pump |
| 10/12/1993 | US5252042 Gas booster assembly for fluid pressure piston driving apparatus |
| 10/12/1993 | US5252040 Fluid transporting apparatus using reflexive hydraulic actuation |
| 10/12/1993 | US5252037 Piston valved vertical pump for particulate materials |
| 10/12/1993 | CA1323005C Snap-in trigger |
| 10/06/1993 | EP0564394A1 Pressure testing pump |
| 10/06/1993 | CN1077003A Constant-discharge reciprocating pump for oilfield |
| 10/05/1993 | US5250195 For computer controlled high pressure treatment of samples before measurement of radioactivity |
| 10/05/1993 | US5249933 Submarine external hydraulic fluid - isolated system |
| 09/30/1993 | WO1993018807A1 Liquid drug infusion pump control device |
| 09/22/1993 | EP0561262A1 Pump for viscous materials having cylinders, in particular two cylinder concrete pump |
| 09/21/1993 | US5246346 Hydraulic power supply |
| 09/20/1993 | CA2092044A1 Slurry pump with discharge cylinders, especially two-cylinder concrete pump |
| 09/16/1993 | WO1993018306A2 Hydraulic oil well pump drive system |
| 09/16/1993 | WO1993018301A1 Process for measuring the flow rate of thick matter pumps |
| 09/15/1993 | EP0560270A2 Linear peristaltic pump |
| 09/15/1993 | EP0560060A1 Meterung pump made of plastics for pasty material |
| 09/15/1993 | CN2142152Y Pushing-pulling type water pump |
| 09/15/1993 | CN1076255A Electric inflator for bicycle |
| 09/14/1993 | US5244361 Pump for reverse osmosis system |
| 09/14/1993 | US5243897 Magnetically actuated fluid motor |
| 09/09/1993 | DE4206576A1 Verfahren und anordnung zur bestimmung der foerdermenge oder des foerderstroms von mittels einer kolbendickstoffpumpe transportiertem foerdergut Method and arrangement for determining the delivery or the foerderstroms transported by means of a piston pump Pumped thick material |
| 09/08/1993 | EP0558954A1 Metering pump for viscous, especially pasty products |
| 09/03/1993 | CA2130437A1 Process for measuring the flow rate of thick matter pumps |
| 09/02/1993 | DE4206409A1 Pipework cleaning vehicle with hydraulic pump - which operates a pressure converter to pressurise water along hose to cleaning head inserted in pipes. |
| 09/01/1993 | EP0465474B1 Control arrangement for a two-cylinder pump for thick materials |
| 08/31/1993 | CA1321745C Fluid pressure intensifying system |
| 08/25/1993 | EP0556958A1 Air compressor arrangements |
| 08/25/1993 | EP0556622A1 Micro-pump and method for production thereof |
| 08/25/1993 | CN2140972Y Hand free-running liquid filler |
| 08/24/1993 | US5238372 Cooled spool piston compressor |
| 08/24/1993 | US5238371 Control arrangement for a two-cylinder pump for thick materials |
| 08/24/1993 | US5238156 Metering and spray pump for dispensing liquid, low-viscosity, and pasty substances |
| 08/19/1993 | DE4304390A1 Radial piston pump - has needle bearing as roller bearing, with outer ring of deep-drawn metal plate, and needles rolling off shaft journal |
| 08/17/1993 | US5235995 Semiconductor processor apparatus with dynamic wafer vapor treatment and particulate volatilization |
| 08/11/1993 | EP0427833B1 Peristaltic pump |
| 08/11/1993 | CN2139997Y Pedal water spraying unit |
| 08/11/1993 | CN2139996Y Valve type liquid lifting unit |
| 08/05/1993 | WO1993015317A1 Improvements in or relating to pumping systems |
| 08/04/1993 | EP0321573B1 Reciprocation switching structure for pumps |
| 08/04/1993 | CN2139634Y Fuel charger attached to vehicle |
| 07/28/1993 | EP0552167A1 Spray gun |
| 07/28/1993 | CN2139179Y High-pressure plunger pump with numerically controlled power driver |
| 07/27/1993 | US5230275 Eccentric anti-friction drive for fluid power apparatus |
| 07/21/1993 | CN2138705Y Hand Vacuum Liquid aspirating tube |
| 07/20/1993 | US5228840 Positive displacement pumps |
| 07/15/1993 | DE4200707A1 Double or single acting reciprocating piston engine - has rocker arm between side of cylinder bore and crankshaft journal |
| 07/14/1993 | EP0550810A2 Double diaphragm pump |
| 07/14/1993 | CN1021589C Manual deep well pump |
| 07/13/1993 | US5226801 Shock absorber type compressor |
| 07/08/1993 | WO1993013336A1 Drive conversion |
| 07/07/1993 | CN2137727Y Suction-cylinder type light oil transfer pump |
| 07/06/1993 | US5224843 Two valve micropump with improved outlet |
| 07/06/1993 | US5224841 Pneumatic bellows pump with supported bellows tube |
| 07/06/1993 | CA1319918C Dispenser pump |
| 06/29/1993 | US5222873 Fluid-driven reciprocating apparatus and valving for controlling same |
| 06/29/1993 | US5222872 Control system for piston pumps |
| 06/29/1993 | US5222633 Foam dispensing device |
| 06/23/1993 | EP0547152A1 Heat pump system |
| 06/23/1993 | CN2136889Y Portable inflation tube with purpose of lock for bicycle |
| 06/22/1993 | US5221195 Pressure testing pump |
| 06/22/1993 | US5220962 Pump apparatus for pumping well fluids from a wellbore having low formation pressure |
| 06/16/1993 | EP0446206B1 Process and device for control of a twin-cylinder thick matter pump |
| 06/16/1993 | CN2136345Y Dc or ac air pump |
| 06/15/1993 | US5219274 Pump with internal pressure relief |
| 06/15/1993 | US5219273 Torsional damper for air conditioning compressor |
| 06/15/1993 | CA1319069C Mechanical drive system for a medication infusion system |
| 06/09/1993 | EP0544856A1 Electric-motor-driven hydraulic pump. |
| 06/09/1993 | DE4139781A1 Electrically operated reciprocating piston pump - has eccentric cylindrical pin fitting into blind bore in end face of electric motor drive shaft |
| 06/09/1993 | CN2135662Y Pedal inflator for vehicle tyre |
| 06/08/1993 | US5217427 Centrifuge assembly |
| 06/08/1993 | US5217426 Combination disposable plastic blood receiving container and blood component centrifuge |
| 06/02/1993 | CN2135070Y Reciprocating pneumatic slurry pump |
| 06/01/1993 | US5215447 Mini-type air compressor |
| 06/01/1993 | US5215443 High pressure liquid pump |
| 06/01/1993 | US5215231 Water supply apparatus for bicycle |
| 05/26/1993 | EP0543471A2 Apparatus and method for supercritical fluid extraction |
| 05/26/1993 | EP0530289A4 Rotary machine |
| 05/26/1993 | CN2134501Y Miniature hand water pump |
| 05/26/1993 | CN2134500Y Double-post reciprocating self-balance water elevator |
| 05/25/1993 | US5213478 Slurry pumping method and apparatus |
| 05/25/1993 | US5213025 Conical rod piston |
| 05/25/1993 | CA1318217C Pumping system |
| 05/19/1993 | EP0541644A1 Reciprocating drive apparatus |
| 05/19/1993 | DE4237049A1 Radial piston pump assembly - has pistons driven in radial direction by bearer ring set in stagger motion by rotating eccentric |
| 05/19/1993 | CN2133688Y Energy-saving combined stove |