Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Industrial
Class Information
Number: 417/900
Name: Pumps > Slurry pumps (e.g., concrete)
Description: Pumps which are disclosed as pumping slurries; i.e., fluids which contain suspended solids, such as concrete.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8678775 System and method for position control of a mechanical piston in a pump Mar. 25, 2014
8585909 Self cleaning high pressure abrasive slurry/fluid check valve Nov. 19, 2013
8439657 Concrete pump May. 14, 2013
8414257 Self-priming centrifugal pump Apr. 9, 2013
8403649 Digital control device Mar. 26, 2013
8381771 Material feed container for a thick-matter pump Feb. 26, 2013
8210827 Sanitary pump assembly Jul. 3, 2012
8192155 Multistage slurry pump Jun. 5, 2012
8123504 Piston pump for thick materials Feb. 28, 2012
8083498 System and method for position control of a mechanical piston in a pump Dec. 27, 2011
7992704 Conveyor clean-out for material transport vehicles Aug. 9, 2011
7946750 Composition for and method of pumping concrete May. 24, 2011
7900651 Material feed container for a thick-matter pump Mar. 8, 2011
7794215 High pressure slurry plunger pump with clean fluid valve arrangement Sep. 14, 2010
7771174 Reciprocating slurry pump with a continuous feed rate Aug. 10, 2010
7740447 Centrifugal pump for abrasive fluid Jun. 22, 2010
7654800 Mobile concrete pump and corresponding building frame Feb. 2, 2010
7611331 Device and method for controlling a two cylinder thick matter pump Nov. 3, 2009
7611332 Device and method for controlling a thick matter pump Nov. 3, 2009
7581935 Device and method for controlling a thick matter pump Sep. 1, 2009
7559753 Double disc pump with fixed housing block Jul. 14, 2009
7513758 Sealing rings for abrasive slurry pumps Apr. 7, 2009
7462020 Concrete pump with pivotable hopper asssembly Dec. 9, 2008
7407022 Apparatus for pumping drill cuttings and dual cylinder positive displacement pump for moving drill cuttings and method of use Aug. 5, 2008
7326028 High flow/dual inducer/high efficiency impeller for liquid applications including molten metal Feb. 5, 2008
7322802 Thick matter pump comprising a conveyance capacity control system Jan. 29, 2008
7226274 Cement slab leveling apparatus Jun. 5, 2007
7131820 Method for controlling a thick matter pump Nov. 7, 2006
7118349 High pressure slurry piston pump Oct. 10, 2006
7097569 Restorable sand or pellet pile device Aug. 29, 2006
6986303 Displacement shift valve and pumping apparatus and methods using such a valve Jan. 17, 2006
6857861 Ring for concrete pump Feb. 22, 2005
6827820 Degassing centrifugal apparatus, process for pumping and degassing a fluid and process for producing paper or board Dec. 7, 2004
6821097 Concrete pump with S-tube valve assembly with wear ring-spring-retainer ring construction Nov. 23, 2004
6793467 Thick matter pump Sep. 21, 2004
6779983 Sludge pump with management system Aug. 24, 2004
6776558 Method and arrangement for concreting vertical shafts Aug. 17, 2004
6733247 Pumping device for viscous slurry material May. 11, 2004
6712238 Drywall taping and texture system using bladder pump with pneumatic flip/flop logic remote control Mar. 30, 2004
6609898 Process and device for pumping compressible materials with reduced pressure pulsation Aug. 26, 2003
6568925 Abrasive liquid pump apparatus and method May. 27, 2003
6530750 Control for progressive cavity pump Mar. 11, 2003
6511302 Slurry piston pump with cylinder cleaning apparatus Jan. 28, 2003
6488477 Material feed container, especially for thick material pumps Dec. 3, 2002
6450779 Two-cylinder thick matter pump Sep. 17, 2002
6443718 Shuttle valve for concrete pump Sep. 3, 2002
6422840 Hydraulic displacement pump having two stroke length Jul. 23, 2002
6398525 Monolithic rotor and rigid coupling Jun. 4, 2002
6382922 Grout pumps, control boxes and applicator tools, and methods for using the same May. 7, 2002
6375432 Pipeline air pocket detection system Apr. 23, 2002

1 2 3 4 5 6










 
 
  Recently Added Patents
Digital broadcast receiver and method for processing caption thereof
Method and system for producing fluoride gas and fluorine-doped glass or ceramics
Emergent information database management system
Case for electronic device
Metal foil laminate, substrate for mounting LED, and light source device
Stool
Image forming system, printing control method, and program
  Randomly Featured Patents
Shoe upper
Manufacture of hog fuel board
Methods for producing a fusion protein capable of binding VEGF
1-Oxoalkyl-2-isopropylnorbornane derivatives, uses thereof in augmenting or enhancing the aroma of consumable materials and processes for preparing same
BEAM IRRADIATION APPARATUS, OPTICAL APPARATUS HAVING BEAM IRRADIATION APPARATUS FOR INFORMATION RECORDING MEDIUM, METHOD FOR MANUFACTURING ORIGINAL DISK FOR INFORMATION RECORDING MEDIUM, AND M
Method of preparing diarylchlorophosphate
Driving circuit for a matrix type display device
AM Stereo transmitter
Wall-patch adapter
Compact leak detector