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Class Information
Number: 417/519
Name: Pumps > Expansible chamber type > Mechanically actuated distributor > Common element forms inlet and discharge distributor > Element moves about axis
Description: Apparatus in which the element partakes of a movement about an axis to effect control of the pump fluid.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7614857 |
Medical pump device |
Nov. 10, 2009 |
| 7217105 |
Integrated pump and wash pump |
May. 15, 2007 |
| 7080975 |
Integrated pump and ceramic valve |
Jul. 25, 2006 |
| 6857861 |
Ring for concrete pump |
Feb. 22, 2005 |
| 6776558 |
Method and arrangement for concreting vertical shafts |
Aug. 17, 2004 |
| 6514569 |
Variable volume positive displacement dispensing system and method |
Feb. 4, 2003 |
| 6488477 |
Material feed container, especially for thick material pumps |
Dec. 3, 2002 |
| 6450779 |
Two-cylinder thick matter pump |
Sep. 17, 2002 |
| 6322337 |
Liquid dispensing systems and methods |
Nov. 27, 2001 |
| 6302662 |
Liquid dispensing systems and methods |
Oct. 16, 2001 |
| 5993181 |
Process and device for feeding concrete or other thick materials |
Nov. 30, 1999 |
| 5957675 |
Thick matter pump with a cleaning cartridge and blocking slide |
Sep. 28, 1999 |
| 5769615 |
Single-piston fluid displacement pump |
Jun. 23, 1998 |
| 5718570 |
Rotary control valve for a piston pump |
Feb. 17, 1998 |
| 5478217 |
Reciprocating pump for pumping viscous materials |
Dec. 26, 1995 |
| 5466132 |
Pump having a rotary distributor |
Nov. 14, 1995 |
| 5431549 |
Bidirectional aspetic volume filler |
Jul. 11, 1995 |
| 5429482 |
Reciprocatory piston type compressor |
Jul. 4, 1995 |
| 5380174 |
Pump for thick matter having delivery cylinders, in particular a two-cylinder concrete pump |
Jan. 10, 1995 |
| 5330331 |
Metering pump for highly viscous fillings |
Jul. 19, 1994 |
| 5316453 |
Slurry pump with discharge cylinders, especially two-cylinder concrete pump |
May. 31, 1994 |
| 5304046 |
Fluid transport device |
Apr. 19, 1994 |
| 5302094 |
Tube switch for a double-cylinder sludge pump |
Apr. 12, 1994 |
| 5281113 |
Thick materials pump with paired, preferably parallel feed cylinders which alternatingly deliver and intake |
Jan. 25, 1994 |
| 5277558 |
Constant output pressure pump |
Jan. 11, 1994 |
| 5190449 |
Material feed tank for sludge pumps |
Mar. 2, 1993 |
| 5141414 |
Piston pump for easily damaged products |
Aug. 25, 1992 |
| 5069366 |
Aseptic volumetric packaging apparatus |
Dec. 3, 1991 |
| 5064360 |
Surge chamber for swing valve grout pumps |
Nov. 12, 1991 |
| 5061158 |
Multi-cylinder piston pump |
Oct. 29, 1991 |
| 5037275 |
Pipe junction switch for two-cylinder thick-material pump |
Aug. 6, 1991 |
| 4863317 |
Particulate material transportation |
Sep. 5, 1989 |
| RE32719 |
Multi-way valves for pumps for conveying heavy flowable materials |
Jul. 26, 1988 |
| 4759695 |
Pumping unit for the filling of container in packaging machines |
Jul. 26, 1988 |
| RE32657 |
Two-cylinder pump for heavy flowable materials, such as concrete |
Apr. 26, 1988 |
| 4730545 |
Axial piston machine having a plurality of mechanically actuated rotary valves |
Mar. 15, 1988 |
| 4661049 |
Metering pump |
Apr. 28, 1987 |
| 4653990 |
Positive double-piston displacement pump conveying pasteous material |
Mar. 31, 1987 |
| 4632648 |
Grease pumps |
Dec. 30, 1986 |
| 4614483 |
Device for sealing a concrete pump |
Sep. 30, 1986 |
| 4613290 |
Evacuated pumping system |
Sep. 23, 1986 |
| 4599049 |
High pressure meter pump |
Jul. 8, 1986 |
| 4580954 |
Oscillating-deflector pump |
Apr. 8, 1986 |
| 4569642 |
Slurry pump |
Feb. 11, 1986 |
| 4563135 |
Pump for concrete or the like |
Jan. 7, 1986 |
| 4556370 |
Twin cylinder pumps, more specially for concrete |
Dec. 3, 1985 |
| 4551072 |
Fluid pressure operated actuator |
Nov. 5, 1985 |
| 4502851 |
Pivotal discharge apparatus |
Mar. 5, 1985 |
| 4501246 |
Fuel injection pump |
Feb. 26, 1985 |
| 4486156 |
Concrete pump with buttressed distribution pipe |
Dec. 4, 1984 |
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