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

Boring or penetrating the earth – With expansible bore wall anchor

Cable following apparatus utilizing a releasable cable gripping

Boring or penetrating the earth – Below-ground impact members

Cable overshot apparatus

Boring or penetrating the earth – Enlargement of existing pilot throughbore requiring...

Cable reaming apparatus

Boring or penetrating the earth – Processes

Cable reaming apparatus and method

Boring or penetrating the earth – Enlargement of existing pilot throughbore requiring...

Cable reaming apparatus and method

Boring or penetrating the earth – With receptacle

Cable tool with circulating drill stem

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Receiver removable through below-ground tool shaft

Cable-type core barrel

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...

Calculating directional drilling tool face offsets

Boring or penetrating the earth – Bit or bit element – Impact or percussion type

Cam assembly in a downhole component

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means

Cammed and shrouded core catcher

Boring or penetrating the earth – Enlargement of existing pilot throughbore requiring...

Cantilevered hole opener

Boring or penetrating the earth – Boring a submerged formation

Cantilevered multi purpose tower and method for installing...

Boring or penetrating the earth – Boring with explosion in inaccessible hole – With wall engaging packer or anchor

Capsule charge perforating system

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

Carbide bolster

Boring or penetrating the earth – Bit or bit element – Plural separable cutter elements

Carbide tipped drill bit for boring holes in concrete and steel

Boring or penetrating the earth – Boring a submerged formation – Boring from floating support with submerged independent...

Carousel for vertically moored platform

Boring or penetrating the earth – With magazine for successively moving unconnected – oriented...

Carousel well rig

Boring or penetrating the earth – With above-ground means to feed tool

Carriage feed system

Boring or penetrating the earth – Bit or bit element – Casing shoe type

Casing and liner drilling bits