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: | 027705/0159 | |
| Pages: | 5 |
| | Recorded: | 02/15/2012 | | |
| Attorney Dkt #: | 016025.106436 |
| Conveyance: | SECURITY AGREEMENT |
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Total properties:
7
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Patent #:
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Issue Dt:
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12/07/2004
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Application #:
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10283580
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Filing Dt:
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10/30/2002
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Publication #:
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Pub Dt:
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05/06/2004
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Title:
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SELF-RETAINING DOWNHOLE-HAMMER DRILL BIT
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Patent #:
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Issue Dt:
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11/06/2012
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Application #:
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12361263
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Filing Dt:
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01/28/2009
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Publication #:
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Pub Dt:
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07/29/2010
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Title:
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DOWN-THE-HOLE DRILL REVERSE EXHAUST SYSTEM
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Patent #:
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Issue Dt:
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03/19/2013
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Application #:
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12494759
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Filing Dt:
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06/30/2009
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Publication #:
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Pub Dt:
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12/31/2009
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Title:
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SELF-INDEXING DOWN-THE-HOLE DRILL
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Patent #:
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Issue Dt:
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08/12/2014
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Application #:
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12621155
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Filing Dt:
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11/18/2009
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Publication #:
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Pub Dt:
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03/11/2010
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Title:
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DOWN-THE-HOLE DRILL HAMMER HAVING A REVERSE EXHAUST SYSTEM AND SEGMENTED CHUCK ASSEMBLY
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Patent #:
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Issue Dt:
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01/21/2014
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Application #:
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12794314
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Filing Dt:
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06/04/2010
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Publication #:
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Pub Dt:
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12/08/2011
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Title:
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PRESSURE REVERSING VALVE ASSEMBLY FOR A DOWN-THE-HOLE PERCUSSIVE DRILLING APPARATUS
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Patent #:
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Issue Dt:
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12/23/2014
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Application #:
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12933041
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Filing Dt:
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10/14/2010
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Publication #:
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Pub Dt:
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02/17/2011
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Title:
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DOWN-THE-HOLE DRILL DRIVE COUPLING
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Patent #:
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Issue Dt:
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05/14/2013
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Application #:
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13078517
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Filing Dt:
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04/01/2011
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Publication #:
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Pub Dt:
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10/06/2011
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Title:
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DOWN-THE-HOLE DRILL HAMMER HAVING AN EXTENDABLE DRILL BIT ASSEMBLY
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Assignee
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| 249 FIFTH AVENUE |
| ONE PNC PLAZA |
| PITTSBURGH, PENNSYLVANIA 15222 |
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Correspondence name and address
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THORP, REED & ARMSTRONG, LLP
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ONE OXFORD CENTRE
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301 GRANT STREET, 14TH FL.
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PITTSBURGH, PA 15219-1425
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