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

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Rotary hammerdrill bit

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary mine drilling bit for making blast holes

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary mining bit

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary mining tools

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary mining tools

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary percussion bit

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary percussion drill bit

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary percussion earth boring bit

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary percussion earth boring bit

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary rock bit and method of making same

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary rock bit and method of making same

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary rock bit ball plug

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary rock bit with hardfacing to reduce cone erosion

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary rock bit with improved diamond-filled compacts

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary rock bit with independently true rolling cutters

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary rock bit with infiltrated bearings

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary rock bit with infiltrated bearings

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary rock bit with multiple row coverage for very hard formati

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary rock bit with the bearing pin fused to the rock bit arm

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rotary spade drill arrangement

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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