| Patents for F04C 19 - Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids (784) |
|---|
| 10/27/2005 | US20050238499 Fluid transfer using devices with rotatable housings |
| 09/22/2005 | US20050204738 Oil pump |
| 09/21/2005 | CN2727452Y Rotor type gas-liquid mixed transport pump |
| 09/21/2005 | CN1671965A Liquid ring type pump |
| 08/25/2005 | US20050183832 Method and apparatus for phase change enhancement |
| 08/17/2005 | EP1562686A2 Distillation with vapour pressurization |
| 08/17/2005 | CN1656317A Liquid ring compressor |
| 07/13/2005 | EP1553298A1 Oil pump |
| 07/13/2005 | EP1552151A1 Liquid ring compressor |
| 06/29/2005 | EP1548195A1 Device and method for preventing the formation of an unhealthy and/or explosive atmosphere in the vicinity of a liquid tank |
| 06/23/2005 | WO2005057015A1 Fluid transfer using devices with rotatable housings |
| 06/01/2005 | CN2703145Y Gear mixing pump |
| 05/26/2005 | US20050112007 System and method of fluid transfer using devices with rotatable housings |
| 05/24/2005 | CA2207552C Liquid-ring gas pump with a silencing element in the discharge space |
| 04/21/2005 | US20050081952 System and method for regulating the volume of barrier fluid in a liquid ring vacuum pump |
| 03/31/2005 | DE19520757B4 Kältemittel-Spiralkompressor Refrigerant scroll compressor |
| 03/30/2005 | EP1518055A1 Liquid ring pump |
| 03/02/2005 | CN1191430C Mixed flow Liquid ring pumps |
| 02/10/2005 | WO2005013638A1 Systems and methods for distributed utilities |
| 02/02/2005 | EP1502028A1 Liquid ring compressor |
| 01/27/2005 | US20050016828 Pressurized vapor cycle liquid distillation |
| 12/29/2004 | EP1490599A2 Pump system with vacuum source |
| 11/25/2004 | WO2004102003A1 Liquid ring pump |
| 11/25/2004 | WO2004102002A1 Liquid ring pump |
| 11/18/2004 | WO2004099619A1 Screw type liquid ring pump |
| 11/17/2004 | EP1477682A1 Liquid ring gas pump |
| 11/17/2004 | EP1477681A1 Liquid ring gas pump |
| 10/14/2004 | US20040202549 Liquid ring pump |
| 09/22/2004 | EP1460271A1 Liquid ring vacuum pump with integrated gas ejector |
| 09/22/2004 | CN1167660C Liquid vacuum pump seal to reduce contamination bisphernol-A |
| 08/26/2004 | WO2004043566A3 Distillation with vapour pressurization |
| 08/25/2004 | EP1088170B1 Pulp pump |
| 08/19/2004 | US20040159536 Locally powered water distillation system |
| 08/04/2004 | EP1042614B1 Multiflow liquid ring pump |
| 07/22/2004 | DE20304436U1 Mehrstufige Pumpenanordnung Multi-stage pump assembly |
| 05/27/2004 | WO2004043566A2 Distillation with vapour pressurization |
| 05/27/2004 | US20040099521 Liquid ring pumps with hermetically sealed motor rotors |
| 04/22/2004 | US20040074757 Method and apparatus for phase change enhancement |
| 02/24/2004 | USRE38434 Closed oil liquid ring gas compression system with a suction injection port |
| 02/19/2004 | WO2004015351A1 Method and apparatus for phase change enhancement |
| 01/22/2004 | WO2004007969A1 Liquid ring compressor |
| 01/22/2004 | WO2004007966A1 Oil pump |
| 01/20/2004 | CA2131081C Liquid ring gas pump |
| 01/08/2004 | WO2004003388A1 Liquid ring pump |
| 01/08/2004 | US20040003593 Steam turbine plant, and method of operating a steam turbine plant |
| 01/07/2004 | EP0993552B1 Liquid ring pump |
| 01/07/2004 | CN1466660A Steam-turbine assembly and a method for operating a steam-turbine assembly |
| 12/16/2003 | CA2305962C A closed oil liquid ring gas compression system with a suction injection port |
| 12/11/2003 | WO2003102423A1 Liquid ring compressor |
| 11/04/2003 | US6641369 Liquid ring compressor with thin distribution plate |
| 10/09/2003 | WO2003083307A1 Pump device, method for operating a pump device and the use thereof in a steam turbine installation |
| 07/30/2003 | EP1330604A2 Steam-turbine assembly and a method for operating a steam-turbine assembly |
| 05/28/2003 | EP0918936B1 Drive apparatus, such as a liquid ring machine and a method for driving a drive apparatus, such as transferring fluid |
| 05/28/2003 | DE20200839U1 Two-stage liquid ring pump is built in block construction, with pump casing flanged directly on drive motor of bearing pedestal, and with second working chamber rotationally offset in relation to first working chamber |
| 05/07/2003 | EP1308626A1 Liquid ring pump |
| 05/06/2003 | US6558131 Liquid ring pumps with automatic control of seal liquid injection |
| 04/22/2003 | US6551071 Multiple-flow liquid ring pump |
| 04/09/2003 | CN1409012A 气体压缩机 Gas compressor |
| 02/26/2003 | EP0975875B1 Vacuum pump system fitted with a liquid mechanical pump |
| 02/13/2003 | US20030031577 Gas compressor |
| 02/12/2003 | EP1283367A2 Vane compressor |
| 01/02/2003 | EP1270832A1 Vacuum sewer system |
| 12/25/2002 | CN1097172C Liquid ring machine |
| 12/24/2002 | US6497555 Liquid ring pump |
| 09/17/2002 | US6450764 Pulp pump |
| 08/22/2002 | DE10121800C1 Flüssigkeitsringpumpe und Steuerscheibe für eine Flüssigkeitsringpumpe A liquid ring pump and control disk for a liquid ring pump |
| 08/08/2002 | DE10121823C1 Pumpenanlage und Abscheider für eine Pumpenanlage Pump station and separators for a pump system |
| 08/07/2002 | EP0956452B1 Impeller for a liquid ring machine |
| 07/23/2002 | CA2187426C Liquid-ring gas pump |
| 07/04/2002 | US20020085922 Liquid ring compressor with thin distribution plate |
| 06/27/2002 | WO2002027152A3 Steam-turbine assembly and a method for operating a steam-turbine assembly |
| 06/05/2002 | EP1066472B1 Liquid ring pump |
| 04/25/2002 | DE10065367A1 RPM regulation system for hydrostatic motors, esp. regulating motor, for large aircraft with displacement volume adjusted by adjusting device and micro processor- controlled computer |
| 04/25/2002 | DE10048439A1 Dampfturbinenanlage und Verfahren zum Betreiben einer Dampfturbinenanlage Steam turbine system and method of operating a steam turbine plant |
| 04/04/2002 | WO2002027152A2 Steam-turbine assembly and a method for operating a steam-turbine assembly |
| 03/27/2002 | CN1081752C Compressor set |
| 03/13/2002 | CN1080836C 液体环泵 Liquid ring pumps |
| 03/12/2002 | US6354808 Modular liquid ring vacuum pumps and compressors |
| 03/07/2002 | DE10040235A1 Annular liquid pump has connection port(s) simultaneously designed for connection to at least two different types of pipeline connector, with threaded and clamp connectors |
| 02/20/2002 | CN1079503C Ring liquid compression engine |
| 02/19/2002 | US6347926 Drive apparatus, such as a liquid ring machine and a method for driving a drive apparatus, such as transferring fluid |
| 01/09/2002 | EP0961852B1 Pump for fibrous pulp suspension with means for separating gas from the suspension |
| 11/21/2001 | CN1323376A Liquid ring pump |
| 10/31/2001 | DE10019718A1 Fluid ring pump operating method |
| 10/17/2001 | CN1318044A Liquid vacuum pump seal to reduce contamination bisphernol-A |
| 10/11/2001 | DE10111758A1 Water ring pump for sterilising equipment has air admitted between the body of the pump and the pressure control duct |
| 10/04/2001 | US20010026759 Liquid ring pump |
| 09/13/2001 | WO2001066950A1 Rotating drum liquid ring vacuum pump/compressor and its using method |
| 09/12/2001 | CN1071004C Ring liquid compressor |
| 09/11/2001 | US6287082 Liquid ring pump |
| 09/06/2001 | DE10008811A1 Fluid ring pump has at least one running wheel circulating in work space housing and control component with at least one pressure and suction aperture |
| 08/30/2001 | DE10007340A1 Flüssigkeitspumpe Liquid pump |
| 08/29/2001 | EP1128068A2 Liquid ring pump |
| 08/08/2001 | EP1121533A1 Liquid ring pump |
| 07/11/2001 | EP1114015A1 Liquid vacuum pump seal to reduce contamination in bisphenol-a |
| 05/23/2001 | EP0788402B1 An arrangement in autoclaving systems |
| 05/08/2001 | US6227222 Closed oil liquid ring gas compression system with a suction injection port |
| 05/02/2001 | CN1065323C Liquid-ring type machine |
| 04/04/2001 | EP1088170A1 Pulp pump |
| 03/07/2001 | CN1062941C Annular liquid gas pump |