Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 029849/0498 | |
| Pages: | 2 |
| | Recorded: | 02/21/2013 | | |
| Attorney Dkt #: | 200346-403527 |
| Conveyance: | CHANGE OF ADDRESS |
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Total properties:
4
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Patent #:
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Issue Dt:
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08/25/2015
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Application #:
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11667516
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Filing Dt:
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05/09/2007
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Publication #:
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Pub Dt:
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12/13/2007
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Title:
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REMOTE ACTUATION OF A DOWNHOLE TOOL
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Patent #:
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Issue Dt:
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09/21/2010
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Application #:
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11794847
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Filing Dt:
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07/06/2007
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Publication #:
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Pub Dt:
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10/09/2008
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Title:
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WELLHEAD ASSEMBLY AND METHOD
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Patent #:
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Issue Dt:
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07/12/2011
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Application #:
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11919962
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Filing Dt:
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12/10/2007
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Publication #:
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Pub Dt:
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03/12/2009
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Title:
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APPARATUS FOR CONTROLLING A DOWNHOLE DEVICE
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Patent #:
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Issue Dt:
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06/05/2012
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Application #:
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12226577
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Filing Dt:
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10/22/2008
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Publication #:
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Pub Dt:
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09/17/2009
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Title:
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BI-DIRECTIONAL FLAPPER VALVE
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Assignee
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| WEATHERFORD CENTRE SOUTERHEAD ROAD |
| ALTENS INDUSTRIAL ESTATE |
| ABERDEEN, UNITED KINGDOM AG12 3LF |
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Correspondence name and address
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ROBERT E. CANNUSCIO
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ONE LOGAN SQUARE
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SUITE 2000
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PHILADELPHIA, PA 19103
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