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: | 044538/0661 | |
| Pages: | 7 |
| | Recorded: | 01/04/2018 | | |
| Attorney Dkt #: | 509265/1645 |
| Conveyance: | MERGER AND CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). |
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Total properties:
5
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Patent #:
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Issue Dt:
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04/03/2001
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Application #:
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09312737
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Filing Dt:
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05/14/1999
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Title:
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PLUNGER LIFT WITH MULTIPART PISTON AND METHOD OF USING THE SAME
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Patent #:
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Issue Dt:
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10/22/2002
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Application #:
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09630255
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Filing Dt:
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08/01/2000
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Title:
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PLUNGER LIFT WITH MULTIPART PISTON
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Patent #:
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Issue Dt:
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04/26/2005
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Application #:
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10298499
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Filing Dt:
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11/18/2002
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Publication #:
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Pub Dt:
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08/07/2003
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Title:
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DIFFERENTIAL PRESSURE CONTROLLER
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Patent #:
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Issue Dt:
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11/11/2008
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Application #:
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11434740
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Filing Dt:
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05/16/2006
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Publication #:
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Pub Dt:
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11/22/2007
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Title:
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PAD TYPE PLUNGER
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Patent #:
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Issue Dt:
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02/27/2018
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Application #:
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14702653
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Filing Dt:
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05/01/2015
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Publication #:
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Pub Dt:
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11/12/2015
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Title:
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BALL PLUNGER LIFT SYSTEM FOR HIGH DEVIATED WELLBORES
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Assignor
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Newly Merged Entity Data
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Newly Merged Entity's New Name
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| 1001 LOUISIANA STREET |
| SUITE 2900 |
| HOUSTON, TEXAS 77002 |
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Correspondence name and address
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MARCELA ROBLEDO
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2475 HANOVER STREET
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PALO ALTO, CA 94304
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