Inventor

DICK HELMUT

DE3 patents

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

ATLAS COPCO AB

1 patent

US4232905ANov 11, 1980

Tunnelling machine

ATLAS COPCO AB9 citations67

ATLAS COPCO CONSTR & MINING

1 patent

US5104261AApr 14, 1992

Tunnel boring machine

ATLAS COPCO CONSTR & MINING4 citations56

BOEHRINGER MANNHEIM GMBH

1 patent

US4945181AJul 31, 1990

Method for resolution of racemic thiamphenicol precursors and intermediates therefor

BOEHRINGER MANNHEIM GMBH5 citations54