Inventor
REINELT WERNER
DE23 patents
⚠️ This page may combine multiple inventors who share the name “REINELT WERNER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DBT GMBH
10 patentsUS6073654AJun 13, 2000
Hydraulically trippable check valve for underground mine support hydraulics
DBT GMBH25 citations92
US6615705B2Sep 9, 2003
Hydraulic cylinder
DBT GMBH18 citations81
US6837269B2Jan 4, 2005
Electrohydraulic control device
DBT GMBH9 citations72
US6209440B1Apr 3, 2001
Hydraulic double telescopic prop
DBT GMBH9 citations71
US6609539B2Aug 26, 2003
Hydraulically operated directional control valve
DBT GMBH5 citations62
US6398181B1Jun 4, 2002
Valve arrangement
DBT GMBH6 citations62
US7237983B2Jul 3, 2007
Hydraulic shield support
DBT GMBH3 citations60
US7127885B2Oct 31, 2006
Assembly for use in underground mining
DBT GMBH4 citations57
US6991407B2Jan 31, 2006
Lift cylinder assembly
DBT GMBH4 citations55
US7740421B2Jun 22, 2010
Arrangement for the admission of pressurized water to spray systems
DBT GMBH0 citations40
HEMSCHEIDT MASCHF HERMANN
10 patentsUS4552172ANov 12, 1985
Pressure-limiting hydraulic valve
HEMSCHEIDT MASCHF HERMANN33 citations92
US4660595AApr 28, 1987
Pressure-limiting valve
HEMSCHEIDT MASCHF HERMANN33 citations91
US4757835AJul 19, 1988
Change-over valve for hydraulic walking mine-roof supports
HEMSCHEIDT MASCHF HERMANN7 citations73
US4694730ASep 22, 1987
Prop control valve
HEMSCHEIDT MASCHF HERMANN18 citations73
US5275469AJan 4, 1994
Method of working coal seams to a defined preset depth of cutting during ploughing with a cutter
HEMSCHEIDT MASCHF HERMANN19 citations72
US4597557AJul 1, 1986
Hydraulically-controlled non-return valve
HEMSCHEIDT MASCHF HERMANN20 citations69
US4465408AAug 14, 1984
Mine-roof support control mechanism
HEMSCHEIDT MASCHF HERMANN17 citations69
US4782736ANov 8, 1988
Pressure-control valve
HEMSCHEIDT MASCHF HERMANN2 citations62
US4676698AJun 30, 1987
Hydraulic valve control apparatus
HEMSCHEIDT MASCHF HERMANN6 citations62
US4769538ASep 6, 1988
Piston stroke digital determination means
HEMSCHEIDT MASCHF HERMANN1 citations52