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US Patent 7841415 Iron roughneck extension systems

Patent 7841415 was granted and assigned to National Oilwell Varco on November, 2010 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 11946325 Spinner wear detection
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Patent Citations Received
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US Patent 11920411 Tool coupler with sliding coupling members for top drive
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Patent abstract

Extension systems for iron roughnecks are provided. These systems are equipment apparatuses and extendable/retractable supports for devices used for connecting and disconnecting tubular members (e.g. casing, tubing, pipe, or drill pipe) on drill rigs. The systems in particular relate to iron roughnecks, and methods of moving them on a drilling rig.

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Patent Inventor Names
Brian Daniel Winter0
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=078414150
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US Patent 07841415 Iron roughneck extension systems US Patent 7841415 Iron roughneck extension systems

Infobox
Patent Number
078414150
Patent Number
78414150
Edits on 23 Sep, 2022
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Infobox
Is a
Patent
Patent
0
Current Assignee
National Oilwell Varco
National Oilwell Varco
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
078414150
Date of Patent
November 30, 2010
0
Patent Application Number
120756130
Date Filed
March 12, 2008
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=078414150
Patent Primary Examiner
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Jennifer H Gay
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07841415
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 US Patent 07841415 Iron roughneck extension systems

Infobox
Is a
Patent
Patent
Current assignee
National Oilwell Varco
National Oilwell Varco
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07841415
Date of patent
November 30, 2010
Patent application number
12075613
Date Filed
March 12, 2008
Patent primary examiner
‌
Jennifer H Gay

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