Inventor
BENCKERT HARTMUT
DE25 patents
⚠️ This page may combine multiple inventors who share the name “BENCKERT HARTMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PUTZMEISTER MASCHF
14 patentsUS5640996AJun 24, 1997
Large manipulator, especially for self-propelled concrete pumps
PUTZMEISTER MASCHF70 citations96
US5421705AJun 6, 1995
Overload protective device for an internal combustion engine acting as a drive motor of a main pump of a hydraulic pressure generator
PUTZMEISTER MASCHF38 citations92
US5344290ASep 6, 1994
Method and device for controlling a double-cylinder thick matter pump
PUTZMEISTER MASCHF24 citations92
US5302094AApr 12, 1994
Tube switch for a double-cylinder sludge pump
PUTZMEISTER MASCHF23 citations92
US5238371AAug 24, 1993
Control arrangement for a two-cylinder pump for thick materials
PUTZMEISTER MASCHF30 citations92
US5640850AJun 24, 1997
Hydraulic pressure supply and control device for a mobile concrete pump
PUTZMEISTER MASCHF26 citations89
US5520521AMay 28, 1996
Hydraulic control device for a viscous fluid pump
PUTZMEISTER MASCHF17 citations73
US5127806AJul 7, 1992
Thick matter pump with downstream shutoff device
PUTZMEISTER MASCHF10 citations73
US5586869ADec 24, 1996
Initial pressure governor for a variable displacement pump
PUTZMEISTER MASCHF15 citations72
US5470167ANov 28, 1995
Locking device for pull-out supports
PUTZMEISTER MASCHF13 citations71
US5360321ANov 1, 1994
Feeding reservoir for two-cylinders thick-matter pumps
PUTZMEISTER MASCHF9 citations71
US5340291AAug 23, 1994
Flow restraining device for a thick matter conveying apparatus
PUTZMEISTER MASCHF10 citations71
US5190449AMar 2, 1993
Material feed tank for sludge pumps
PUTZMEISTER MASCHF6 citations60
US5823748AOct 20, 1998
Device for opening and closing a closure cap
PUTZMEISTER MASCHF1 citations48
PUTZMEISTER AG
8 patentsUS5823218AOct 20, 1998
Large manipulator, especially for self-propelled concrete pumps, and method for operating it
PUTZMEISTER AG59 citations96
US6862509B2Mar 1, 2005
Device for operating the articulated mast of a large manipulator
PUTZMEISTER AG26 citations92
US6983763B2Jan 10, 2006
Telescoping boom with moving flexible 180° bend
PUTZMEISTER AG19 citations84
US7011108B2Mar 14, 2006
Device for actuating an articulated mast, especially for concrete pumps
PUTZMEISTER AG15 citations81
US6338615B1Jan 15, 2002
Pipe switch for two-cylinder thick-material pump
PUTZMEISTER AG10 citations73
US7322802B2Jan 29, 2008
Thick matter pump comprising a conveyance capacity control system
PUTZMEISTER AG7 citations71
US6220834B1Apr 24, 2001
Support pipe for concrete pump with pivoting valve
PUTZMEISTER AG10 citations70
US7131820B2Nov 7, 2006
Method for controlling a thick matter pump
PUTZMEISTER AG3 citations63