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US Patent 7722127 Pick shank in axial tension

Patent 7722127 was granted and assigned to Schlumberger on May, 2010 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 11891895 Bit holder with annular rings
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Patent abstract

In one aspect of the present invention, a degradation assembly comprises a holder attached to a driving mechanism and comprises a longitudinal central bore. The bore comprises an opening at a distal end from the driving mechanism. A pick comprising a body intermediate a shank and an impact tip is connected to the holder, the shank being disposed in the central bore of the holder and the body extending from the opening of the bore. A tensioning mechanism is disposed within the bore and is adapted to put the shank in axial tension.

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Patent Inventor Names
David R. Hall0
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US Patent 07722127 Pick shank in axial tension US Patent 7722127 Pick shank in axial tension

Infobox
Patent Number
077221270
Patent Number
77221270
Edits on 19 May, 2023
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edited on 19 May, 2023
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=077221270
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Infobox
Is a
Patent
Patent
0
Current Assignee
Schlumberger
Schlumberger
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
077221270
Date of Patent
May 25, 2010
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Patent Application Number
118297610
Date Filed
July 27, 2007
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=077221270
Patent Primary Examiner
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John Kreck
0
Edits on 18 Jun, 2022
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edited on 18 Jun, 2022
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07722127
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 US Patent 07722127 Pick shank in axial tension

Infobox
Is a
Patent
Patent
Current assignee
Schlumberger
Schlumberger
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07722127
Date of patent
May 25, 2010
Patent application number
11829761
Date Filed
July 27, 2007
Patent primary examiner
‌
John Kreck

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