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

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Reinforced rotary drill bit

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Relating to cutter assemblies for rotary drill bits

Boring or penetrating the earth – Bit or bit element – Core forming type

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Relating to rotary drill bits

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Removable anti-wear insert

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Removable drill bit nozzle

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

Replaceable bit nozzle

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

Replaceable cutter using internal ductile metal receptacles

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Replaceable insert stud for drilling bits

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Replaceable multiple TCI kerf ring

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

Replaceable nozzles for insertion into a drilling bit formed by

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Replaceable shirttail

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

Replaceable wear pad for a rock bit cutter yoke

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

Replaceable well drill bit

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Resilient, non-rotating seal for rock drill

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

Retainer device for 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

Reversible bit assembly

Boring or penetrating the earth – Bit or bit element – Cutting edges facing in opposite axial directions

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Revolving cutters for rock bits

Boring or penetrating the earth – Bit or bit element – Magnetized or with magnet

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Ring clamp for a cutter ring in a tunnel drilling machine

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

Ring cutter for tunnel drilling in rock

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

Road surface recessing device

Boring or penetrating the earth – Bit or bit element – Core forming type

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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