Inventor

FRITZ KARLHEINZ

DE4 patents

⚠️ This page may combine multiple inventors who share the name “FRITZ KARLHEINZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KRUPP BAUTECHNIK GMBH

2 patents

US5860481AJan 19, 1999

Fluid-operated striker assembly with automatic stroke length variation

KRUPP BAUTECHNIK GMBH36 citations89

US5873579AFeb 23, 1999

Protective device for a fluid-operated percussion tool

KRUPP BAUTECHNIK GMBH23 citations86

KRUPP GMBH

1 patent

US4646854AMar 3, 1987

Hydraulic striking device

KRUPP GMBH53 citations88

ATLAS COPCO CONSTR TOOLS AB

1 patent

US7779930B2Aug 24, 2010

Hydraulic impact hammer with overpressure and piston-overtravel protection

ATLAS COPCO CONSTR TOOLS AB20 citations86