LandOfFree - US Patents - Listing for Boring or penetrating the earth,Automatic control,Of advance or applied tool weight

Boring or penetrating the earth – Automatic control – Of advance or applied tool weight

Procedure for controlling a rock drill and rock drill for carryi

Boring or penetrating the earth – Automatic control – Of advance or applied tool weight

Programmed automatic drill control

Boring or penetrating the earth – Automatic control – Of advance or applied tool weight

Rock drilling apparatus

Boring or penetrating the earth – Automatic control – Of advance or applied tool weight

Rotary drillstring guidance by feedrate oscillation

Boring or penetrating the earth – Automatic control – Of advance or applied tool weight

Safemode operating system for a drilling or service rig

Boring or penetrating the earth – Automatic control – Of advance or applied tool weight

Soil working method and device

Boring or penetrating the earth – Automatic control – Of advance or applied tool weight

System for controlled drilling of boreholes along planned profil

Boring or penetrating the earth – Automatic control – Of advance or applied tool weight

Targetable drill with pressure telemetering of drill parameters

Boring or penetrating the earth – Automatic control – Of advance or applied tool weight

Tool for maintaining wellbore penetration

Boring or penetrating the earth – Automatic control – Of advance or applied tool weight

Use of axial accelerometer for estimation of instantaneous...

Boring or penetrating the earth – Automatic control – Of advance or applied tool weight

Weight control system for a rotary drill assembly