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

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

Method for case hardening rock bits and rock bits formed thereby

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

Method for hardfacing roller cone drill bit legs

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

Method for making a cone for a rock bit and product

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

Method for making rock bits

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

Method of applying a wear-resistant layer to a surface of a...

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

Method of securing a rotary cutter to a body of a down hole...

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

Methods for evaluating cutting arrangements for drill bits...

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

Methods of forming earth-boring tools having features for...

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

Methods of manufacturing rotary drill bits

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

Milling tool for forming recesses in masonry, concrete and simil

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

Mini disk bit

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

Modular drill bit

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

Modular drill bit

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

Modular rotary drill bit

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

Mounting attachment and bearing system for an industrial...

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

Mounting for inboard cutters on a raise drill

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

Mounting system for raise and shaft cutters

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

Mud debris diverter for earth-boring bit

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

Mud diverter for earth-boring bit