Inventor

HEIDERICH ERNST

DE7 patents

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

BOART HWF GMBH CO KG

2 patents

US6343842B1Feb 5, 2002

Roller bit for tunnel-driving machines with segmented cutting rings

BOART HWF GMBH CO KG37 citations83

US6183170B1Feb 6, 2001

Cylindrical cutting device

BOART HWF GMBH CO KG18 citations79

BOART LONGYEAR GMBH & CO KG

1 patent

US6354771B1Mar 12, 2002

Cutting or breaking tool as well as cutting insert for the latter

BOART LONGYEAR GMBH & CO KG173 citations93

DBT GMBH

1 patent

US6186597B1Feb 13, 2001

Pick system for mining ploughs, in particular coal ploughs

DBT GMBH10 citations69

BARAT CARBIDE HOLDING GMBH

1 patent

US7455484B2Nov 25, 2008

Cutting or breaking tool as well as cutting insert for the latter

BARAT CARBIDE HOLDING GMBH8 citations65

HEIDERICH ERNST

1 patent

US9028009B2May 12, 2015

Pick tool and method for making same

HEIDERICH ERNST2 citations55

ELEMENT SIX GMBH

1 patent

US9033425B2May 19, 2015

Pick tool and method for making same

ELEMENT SIX GMBH0 citations51