US Patent 7303363 Pneumatic drill
Patent 7303363 was granted and assigned to Lockheed Martin on December, 2007 by the United States Patent and Trademark Office.
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Patent abstract
A drill has a tubular outer housing and a tubular inner housing. The inner housing is movable between extended and retracted positions. A pneumatic motor with a chuck mounts to the inner housing. Air pressure is delivered to annular pistons to cause the inner housing to extend and retract. Also, an annular hydraulic chamber with a variable orifice bypass controls the rate of feed. A processor records the total number of holes being drilled as well as recording the time duration for each hole.
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US Patent 07303363 Pneumatic drill US Patent 7303363 Pneumatic drill
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Patent Number
0730336300
Patent Number
730336300
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Official Website
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
073033630
Date of Patent
December 4, 2007
0Patent Application Number
106594100
Date Filed
September 10, 2003
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
073033630
Date of Patent
December 4, 2007
0Patent Application Number
106594100
Date Filed
September 10, 2003
0Official Website
Patent Primary Examiner
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US Patent 07303363 Pneumatic drill
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07303363
Date of patent
December 4, 2007
Patent application number
10659410
Date Filed
September 10, 2003
Patent primary examiner
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