LandOfFree - US Patents - Listing for Boring or penetrating the earth

Boring or penetrating the earth – With orienting or racking means for unconnected tools or...

Washpipe assembly

Boring or penetrating the earth – With above-ground means for handling drilling fluid or cutting

Washpipe seal

Boring or penetrating the earth – With above-ground means for handling drilling fluid or cutting – Fluid or cuttings directing or receiving means engaging bore...

Water and dust collector for wet core drilling

Boring or penetrating the earth – With above-ground means for handling drilling fluid or cutting

Water collecting device for core drilling device

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Water drill

Boring or penetrating the earth – Bit or bit element – Specific or diverse material

Water jet cutting nozzle transition section

Boring or penetrating the earth – Boring a submerged formation

Water jet sediment probe

Boring or penetrating the earth – With above-ground means for handling drilling fluid or cutting – Fluid or cuttings directing or receiving means engaging bore...

Water pressure post-hole digger

Boring or penetrating the earth – With means movable relative to tool or shaft to control... – Valve prevents upward flow

Water separator and backflow valve

Boring or penetrating the earth – With below-ground tool drive prime mover – Discharge passage for motive fluid directed toward bore...

Water separator for a down hole drill

Boring or penetrating the earth – With above-ground means for preparing or separating drilling...

Water wash/oil wash cyclonic column tank separation system

Boring or penetrating the earth – Boring a submerged formation – Boring with underwater tool drive prime mover

Water weighted corer

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Water well completion method

Boring or penetrating the earth – With tool drive prime mover or above-ground mechanical... – With installing casing

Water well drilling accessory, mountable on cable tool water wel

Boring or penetrating the earth – Processes – Boring with specific fluid

Water-based drilling fluid deacidification process and apparatus

Boring or penetrating the earth – Boring a submerged formation

Wave motion compensating and drill string drive apparatus

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Firing chamber movable in bore relative to carrier or...

Wave strip perforating system

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element

Wear compensating rock bit insert

Boring or penetrating the earth – With bit wear signal generating

Wear determination of drilling bits