| Patents for F04B 5 - Machines or pumps with differential-surface pistons (514) |
|---|
| 06/08/2006 | US20060120880 Variable discharge fuel pump |
| 05/18/2006 | US20060104827 Method and apparatus for pumping and diluting a sample |
| 04/20/2006 | US20060083627 Vapor compression system including a swiveling compressor |
| 04/20/2006 | US20060083626 Compressor and hermetic housing with minimal housing ports |
| 04/20/2006 | DE102005043266A1 Kolbenpumpe Piston pump |
| 04/06/2006 | US20060073026 Oil balance system and method for compressors connected in series |
| 04/06/2006 | US20060073025 Double disc pump with fixed housing block |
| 03/29/2006 | CN1247891C Multistage high pressure compressor |
| 03/21/2006 | US7013791 Axial piston machine with a swash plate |
| 03/16/2006 | US20060056983 Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method |
| 03/09/2006 | US20060048729 Supercharged two-stroke engine with upper piston extensions |
| 02/02/2006 | WO2006010238A1 Compressor comprising dual-action pistons |
| 02/02/2006 | US20060024179 Two-stage hydraulic pump |
| 01/25/2006 | EP1618309A2 Dynamic system for refrigeration equipment |
| 01/24/2006 | CA2379641C Double acting, two-stage pump |
| 01/19/2006 | US20060013698 Locomotive air compressor system with enhanced protection against leakage causative of backflow of pressurized air from a reservoir |
| 01/12/2006 | US20060008360 Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same |
| 01/12/2006 | US20060005895 Combined liquefied gas and compressed gas re-fueling station and method of operating same |
| 11/24/2005 | US20050260080 Reciprocating compressor |
| 11/23/2005 | EP1598553A2 Two stage reciprocating compressor |
| 11/22/2005 | US6966857 Sport ball with self-contained dual action inflation mechanism |
| 11/22/2005 | US6966283 Apparatus with piston having upper piston extensions |
| 10/20/2005 | US20050232786 Pump |
| 10/19/2005 | CN1685151A 液泵 Pump |
| 10/06/2005 | WO2005093237A1 Apparatus with piston having upper piston extensions |
| 10/05/2005 | CN1678864A Combined liquefied gas and compressed gas re-fueling station and method of operating same |
| 09/22/2005 | US20050205025 Apparatus with piston having upper piston extensions |
| 09/14/2005 | EP1572309A2 Sport ball with self-contained dual action inflation mechanism |
| 09/01/2005 | US20050191190 Double action simplex plunger/diaphragm pump |
| 08/25/2005 | WO2005078280A1 A feeding pump device of bulk tube continually metering type |
| 08/25/2005 | WO2005078238A1 Axial piston machine with a swash plate |
| 08/25/2005 | US20050186085 Axial piston machine with a swash plate |
| 08/17/2005 | EP1564370A1 Axial piston machine with a swash plate |
| 08/11/2005 | US20050173019 Apparatus for the simultaenous filling of precise amounts of viscous liquid material in a sanitary environment |
| 08/10/2005 | CN1651762A Valume tube continuous metering type delivering pump device |
| 07/28/2005 | US20050163627 Automotive fuel pump improvement |
| 07/13/2005 | EP1553292A1 Liquid pump |
| 06/30/2005 | WO2005059362A1 Piston compressor for compressing gaseous media in at least two working chambers |
| 06/16/2005 | US20050129542 Compressor assembly with piston having multiple cross sections |
| 06/15/2005 | EP1541867A1 Piston type compressor for compressing gases in at least two compression chambers |
| 06/15/2005 | CA2488975A1 Compressor assembly with piston having multiple cross sections |
| 06/09/2005 | US20050123426 Multi-directional pump |
| 06/08/2005 | EP1538052A2 Compressor |
| 06/08/2005 | CN1624325A Multi-directional pump |
| 05/19/2005 | WO2005045242A1 Wave energy converter |
| 05/19/2005 | WO2004085890A3 Embraced moving cylinder and methods of using same |
| 05/19/2005 | DE10392363T5 Hydraulikmotor mit gestuften Radialzylindern Hydraulic motor with stepped radial cylinders |
| 04/21/2005 | US20050084333 Wave energy converter |
| 03/24/2005 | US20050063848 Double-acting reciprocating downhole pump |
| 02/17/2005 | DE10235140B4 Kolbenpumpe Piston pump |
| 01/26/2005 | CN1186529C High pressure compressor |
| 01/05/2005 | DE19738524C5 Kolbenpumpe zum Erzeugen eines Fluiddrucks Piston pump for generating a fluid pressure |
| 12/23/2004 | CA2526748A1 Heat pump system |
| 12/16/2004 | WO2004067098A3 Sport ball with self-contained dual action inflation mechanism |
| 11/25/2004 | US20040231507 Pressure generator |
| 11/23/2004 | CA2401926C Combined liquefied gas and compressed gas re-fueling station and method of operating a combined liquefied gas and compressed gas re-fueling station |
| 11/16/2004 | US6817409 Double-acting reciprocating downhole pump |
| 11/02/2004 | US6812588 Wave energy converter |
| 10/07/2004 | WO2004085890A2 Embraced moving cylinder and methods of using same |
| 09/23/2004 | US20040182333 Embraced moving cylinder and methods of using same |
| 09/16/2004 | US20040180740 Sport ball with self-contained dual action inflation mechanism |
| 09/02/2004 | WO2004074716A1 Stepped piston for an engine, pump or compressor |
| 08/26/2004 | US20040166005 Micro irrigation pump |
| 08/18/2004 | CN1522342A 微型灌溉泵 Micro-irrigation pumps |
| 08/12/2004 | WO2004067098A2 Sport ball with self-contained dual action inflation mechanism |
| 08/12/2004 | CA2486923A1 Sport ball with self-contained dual action inflation mechanism |
| 05/27/2004 | WO2004023029B1 Combined liquefied gas and compressed gas re-fueling station and method of operating same |
| 05/06/2004 | DE10205493B4 Radialkolbenpumpe Radial piston pump |
| 04/21/2004 | CN1491320A Pressure generator |
| 03/18/2004 | WO2004023029A1 Combined liquefied gas and compressed gas re-fueling station and method of operating same |
| 03/18/2004 | US20040050961 Piston pump for high viscous materials |
| 03/17/2004 | CN1482358A Multistage high pressure compressor |
| 03/09/2004 | US6702556 Multi-cylinder compression pump |
| 02/12/2004 | DE10235140A1 Kolbenpumpe Piston pump |
| 02/04/2004 | EP1387085A2 Piston pump for viscous materials |
| 01/29/2004 | WO2004009998A1 Piston pump |
| 01/15/2004 | WO2004005711A1 Liquid pump |
| 12/16/2003 | US6663350 Self generating lift cryogenic pump for mobile LNG fuel supply system |
| 11/04/2003 | US6641232 Piston pump for brake system with piston pump |
| 09/18/2003 | WO2003076799A1 Hydraulic engine with stepped radial cylinders |
| 09/18/2003 | DE10219955C1 Motor vehicle parking heater has a double-action fuel pump, with two pump chambers separated by a common dividing wall fitted with openings for the liquid fuel flows between the chambers |
| 06/11/2003 | EP1254314B1 Pump |
| 05/29/2003 | US20030097847 Self generating lift cryogenic pump for mobilelng fuel supply system |
| 05/28/2003 | EP1314886A2 Self generating lift cryogenic pump for mobile ling fuel supply system |
| 05/14/2003 | EP1310673A1 Multistage high pressure compressor |
| 04/10/2003 | WO2003029653A1 Pressure generator |
| 03/11/2003 | US6530761 Double-acting, two-stage pump |
| 01/15/2003 | EP0927305B1 Piston pump |
| 01/02/2003 | US20030003006 Pump |
| 12/19/2002 | WO2002101241A1 Double-acting reciprocating downhole pump |
| 12/19/2002 | US20020189805 Double-acting reciprocating downhole pump |
| 12/05/2002 | WO2002097269A1 Micro irrigation pump |
| 11/20/2002 | EP1257743A1 Lubrication system and process for high speed antifriction bearings |
| 11/06/2002 | EP1254314A1 Pump |
| 10/09/2002 | EP1247980A2 Double-acting, two-stage pump |
| 09/10/2002 | US6447263 Fuel pump with auxiliary pumping chamber |
| 08/13/2002 | US6431840 Multistage high pressure compressor |
| 07/18/2002 | WO2001063132A3 Lubrication system and process for high speed antifriction bearings |
| 04/02/2002 | US6364639 Pump |
| 03/19/2002 | US6357922 Lubrication system for high speed antifriction bearings |