Inventor

DELWICHE ROBERT

BE8 patents

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

DRESSER IND

3 patents

US6296069B1Oct 2, 2001

Bladed drill bit with centrally distributed diamond cutters

DRESSER IND166 citations97

US5755299AMay 26, 1998

Hardfacing with coated diamond particles

DRESSER IND174 citations97

US5755298AMay 26, 1998

Hardfacing with coated diamond particles

DRESSER IND117 citations97

TOTAL SA

2 patents

US5823277AOct 20, 1998

Cutting edge for monobloc drilling tools

TOTAL SA19 citations91

US6102142AAug 15, 2000

Drilling tool with shock absorbers

TOTAL SA20 citations90

HAHATI ABDELHAKIM

1 patent

US8960335B2Feb 24, 2015

Bit for drilling wells and associated drilling method

HAHATI ABDELHAKIM6 citations60

DIAROTECH S A

1 patent

US12560029B2Feb 24, 2026

Rock-cutting tool and method for mine and oil drilling

DIAROTECH S A0 citations44

FASTIP SA

1 patent

US10323462B2Jun 18, 2019

Stabilizer-reamer for drill string

FASTIP SA0 citations34