| |
 |
|
Class Information
Number: 417/390
Name: Pumps > Motor driven > Fluid motor > With motive fluid generator > Fluid pump
Description: Apparatus in which the motive fluid generating apparatus comprises a fluid pump (e.g., centrifugal, expansible chamber, axial flow, etc.).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7604064 |
Multi-stage, multi-phase unitized linear liquid entrained-phase transfer apparatus |
Oct. 20, 2009 |
| 7600982 |
Compact helical compressor for mobile use in a vehicle |
Oct. 13, 2009 |
| 7566205 |
Reciprocating pump and check valve |
Jul. 28, 2009 |
| 7566208 |
Non-electric drive mechanism for a submersible pump |
Jul. 28, 2009 |
| 7530799 |
Long-stroke deep-well pumping unit |
May. 12, 2009 |
| 7458786 |
Oil well pumping unit and method therefor |
Dec. 2, 2008 |
| 7381035 |
Piston pump with check shaft |
Jun. 3, 2008 |
| 7311502 |
Method for using a hydraulic amplifier pump in ultrahigh pressure liquid chromatography |
Dec. 25, 2007 |
| 7204679 |
Flow control system |
Apr. 17, 2007 |
| 7177151 |
Cooling devices and systems |
Feb. 13, 2007 |
| 7134499 |
Rotary and reciprocal well pump system |
Nov. 14, 2006 |
| 7134849 |
Molded disposable pneumatic pump |
Nov. 14, 2006 |
| 7114929 |
Reciprocating pump and check valve |
Oct. 3, 2006 |
| 6981850 |
Apparatus and method for producing a pressurized vapor stream |
Jan. 3, 2006 |
| 6846166 |
Reciprocating diaphragm pump with degassing valves |
Jan. 25, 2005 |
| 6841076 |
Method and device for desalting water |
Jan. 11, 2005 |
| 6712587 |
Hydraulic amplifier pump for use in ultrahigh pressure liquid chromatography |
Mar. 30, 2004 |
| 6699019 |
Reciprocating windmill pumping system |
Mar. 2, 2004 |
| 6672841 |
Pumping and metering device |
Jan. 6, 2004 |
| 6644937 |
Water powered pumping system with fluid link |
Nov. 11, 2003 |
| 6619930 |
Method and apparatus for pressurizing gas |
Sep. 16, 2003 |
| 6554582 |
High pressure pump with improved hub |
Apr. 29, 2003 |
| 6551076 |
Fuel/hydraulic engine system |
Apr. 22, 2003 |
| 6322333 |
Device for enhancing fluid flow |
Nov. 27, 2001 |
| 6264437 |
High pressure pump for all liquids |
Jul. 24, 2001 |
| 6183217 |
Pilot control valve for controlling a reciprocating pump |
Feb. 6, 2001 |
| 6179570 |
Variable pump control for hydraulic fan drive |
Jan. 30, 2001 |
| 6155792 |
Wireline retrievable oilwell pumping system |
Dec. 5, 2000 |
| 6113357 |
Hydraulic turbine compressor |
Sep. 5, 2000 |
| 6102673 |
Subsea mud pump with reduced pulsation |
Aug. 15, 2000 |
| 6017200 |
Integrated pumping and/or energy recovery system |
Jan. 25, 2000 |
| 6017198 |
Submersible well pumping system |
Jan. 25, 2000 |
| 5732684 |
Automotive fuel delivery system with pressure actuated auxiliary fuel pump |
Mar. 31, 1998 |
| 5558502 |
Turbo pump and supply system with the pump |
Sep. 24, 1996 |
| 5536150 |
Hydraulic-pneumatic stroke reversal system for pumping units, and its application in preferred embodiments |
Jul. 16, 1996 |
| 5533868 |
Apparatus and method for batch-wire continuous pumping |
Jul. 9, 1996 |
| 5498141 |
Hygienic tank lorry pump and tank truck |
Mar. 12, 1996 |
| 5468127 |
Pilot control valve having means for recovering exhaust fluids |
Nov. 21, 1995 |
| 5447026 |
Hydraulic oil well pump drive system |
Sep. 5, 1995 |
| 5411379 |
Pneumatic fan |
May. 2, 1995 |
| 5348451 |
Pump apparatus |
Sep. 20, 1994 |
| 5331842 |
Cyclical pressure testing apparatus |
Jul. 26, 1994 |
| 5287708 |
Car air conditioner with a hydraulically driven refrigerant compressor |
Feb. 22, 1994 |
| 5238371 |
Control arrangement for a two-cylinder pump for thick materials |
Aug. 24, 1993 |
| 5222875 |
Variable speed hydraulic pump system for liquid trailer |
Jun. 29, 1993 |
| 5161954 |
De-sludging systems |
Nov. 10, 1992 |
| 5145332 |
Well pumping |
Sep. 8, 1992 |
| 5106276 |
Electrohydraulic method and apparatus |
Apr. 21, 1992 |
| 5098260 |
Position-servo device for positioning a stop in a positive displacement fuel injection system |
Mar. 24, 1992 |
| 5087352 |
Device for controlling the flow of foam |
Feb. 11, 1992 |
|
|
|
