US Patent 7461706 Drilling apparatus with percussive action cutter
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Patent abstract
A drilling apparatus includes a cutting structure defined by a percussive action cutter and at least one other cutter. The percussive action cutter is adapted to be urged in a drilling direction by hydraulic pressure force, while the other cutter is urged in a drilling direction by mechanical force.
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US Patent 07461706 Drilling apparatus with percussive action cutter US Patent 7461706 Drilling apparatus with percussive action cutter
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Patent Number
0746170600
Patent Number
746170600
Edits on 23 May, 2023
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Official Website
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Infobox
Is a
Patent Jurisdiction
Patent Number
074617060
Date of Patent
December 9, 2008
0Patent Application Number
116911510
Date Filed
March 26, 2007
0Official Website
Patent Primary Examiner
Edits on 28 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
074617060
Date of Patent
December 9, 2008
0Patent Application Number
116911510
Date Filed
March 26, 2007
0Official Website
Patent Primary Examiner
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US Patent 07461706 Drilling apparatus with percussive action cutter
Infobox
Is a
Patent jurisdiction
Patent number
07461706
Date of patent
December 9, 2008
Patent application number
11691151
Date Filed
March 26, 2007
Patent primary examiner
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