Inventor

PETERSON MARTIN

SE4 patents

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

ATLAS COPCO ROCKTECH AB

2 patents

US5488998AFeb 6, 1996

Fluid driven down-the-hole drilling machine

ATLAS COPCO ROCKTECH AB11 citations71

US5375670ADec 27, 1994

Drill string component for drilling with a liquid driven drilling machine

ATLAS COPCO ROCKTECH AB13 citations71

UNIROC AB

2 patents

US5318140AJun 7, 1994

Fluid operated drill apparatus

UNIROC AB18 citations69

US5279371AJan 18, 1994

Down-the-hole drilling machine

UNIROC AB12 citations69