LandOfFree - US Patents - Listing for Boring or penetrating the earth,Bit or bit element

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

Braze alloy and method of use for drilling applications

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

Braze alloys

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

Braze fixtures for use in drilling tools

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

Braze material for an attack tool

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

Braze material for an attack tool

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

Brazing inserts

Boring or penetrating the earth – Bit or bit element – With helical-conveying portion

Broach for incorporation in a drill string

Boring or penetrating the earth – Bit or bit element

Bucket auger

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

Butterfly-type shim having perforations in mid-section thereof a

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

Butterfly-type shim having semi-opened bottom and double sandwic

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

Button assembly for rotary rock cutters

Boring or penetrating the earth – Bit or bit element – Nonsymmetrical bit

Button drill bit structure

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

Button insert for rock drill bits