Inventor
SCHLECHT KARL
DE24 patents
⚠️ This page may combine multiple inventors who share the name “SCHLECHT KARL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PUTZMEISTER MASCHF
11 patentsUS5640996AJun 24, 1997
Large manipulator, especially for self-propelled concrete pumps
PUTZMEISTER MASCHF70 citations96
US5720069AFeb 24, 1998
Arrangement for surface treatment, especially the cleaning of the surfaces of large objects
PUTZMEISTER MASCHF22 citations92
US5522677AJun 4, 1996
Travelling concreting device
PUTZMEISTER MASCHF28 citations92
US5302094AApr 12, 1994
Tube switch for a double-cylinder sludge pump
PUTZMEISTER MASCHF23 citations92
US5535780AJul 16, 1996
Concrete-distribution rig
PUTZMEISTER MASCHF21 citations91
US5127429AJul 7, 1992
Method and device for distributing pumpable thick matter into several delivery pipes
PUTZMEISTER MASCHF23 citations90
US5746247AMay 5, 1998
Slide valve for a twin-cylinder pump for viscous fluids
PUTZMEISTER MASCHF13 citations73
US4893992AJan 16, 1990
Two-cylinder thick-material pump
PUTZMEISTER MASCHF16 citations73
US5183356AFeb 2, 1993
Method and device for distributing pumpable thick matter into several delivery pipes
PUTZMEISTER MASCHF7 citations71
US5605174AFeb 25, 1997
Device for conveying thick substances containing a great deal of solid material
PUTZMEISTER MASCHF13 citations70
US5578752ANov 26, 1996
Process for measuring the flow rate of thick matter pumps
PUTZMEISTER MASCHF17 citations70
SCHLECHT KARL
6 patentsUS4653990AMar 31, 1987
Positive double-piston displacement pump conveying pasteous material
SCHLECHT KARL32 citations92
US4418713ADec 6, 1983
Concrete pump tractor trailer assembly
SCHLECHT KARL27 citations81
US4382752AMay 10, 1983
Twin-cylinder pump, in particular for pumping thick liquids
SCHLECHT KARL20 citations81
US5037275AAug 6, 1991
Pipe junction switch for two-cylinder thick-material pump
SCHLECHT KARL15 citations73
US3982857ASep 28, 1976
Support means for movable connector in concrete pump arrangement
SCHLECHT KARL8 citations73
US4900191AFeb 13, 1990
Method for removal of broken ground
SCHLECHT KARL4 citations62
PUTZMEISTER AG
5 patentsUS5823218AOct 20, 1998
Large manipulator, especially for self-propelled concrete pumps, and method for operating it
PUTZMEISTER AG59 citations96
US6068025AMay 30, 2000
Delivery line for cement
PUTZMEISTER AG15 citations74
US6338615B1Jan 15, 2002
Pipe switch for two-cylinder thick-material pump
PUTZMEISTER AG10 citations73
US5988028ANov 23, 1999
Process for conveying thick matter containing preshredded scrap metal or similar solids
PUTZMEISTER AG7 citations72
US6158313ADec 12, 2000
Process for conveying thick matter containing preshredded scrap metal or similar solids
PUTZMEISTER AG5 citations61