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Patent
D682898
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Priority
Nov 11 2010
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Filed
May 06 2011
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Issued
May 21 2013
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Expiry
May 21 2027
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Assg.orig
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Entity
unknown
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9
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12
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n/a
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The ornamental design for a drill head for deep hole drilling, as shown and described.
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FIG. 1 is a front perspective view of the drill head design.
FIG. 2 is a front elevational view of the drill head design.
FIG. 3 is a rear elevational view of the drill head design.
FIG. 4 is a left side elevational view of the drill head design.
FIG. 5 is a right side elevational view of the drill head design.
FIG. 6 is a top view of the drill head design; and,
FIG. 7 is a bottom view of the drill head design.
The broken line showing on the drawing disclosure is for illustrative purposes only and forms no part of the claimed design.
Fujii, Katsushi
Patent |
Priority |
Assignee |
Title |
11655681, |
Dec 06 2018 |
Halliburton Energy Services, Inc.; Halliburton Energy Services, Inc |
Inner cutter for drilling |
D700922, |
Aug 26 2013 |
|
Overburden pilot bit |
D735784, |
Jul 19 2013 |
Element Six Limited |
Mill tool |
D735785, |
Jul 19 2013 |
Element Six Limited |
Mill tool |
D736279, |
Jul 19 2013 |
Element Six Limited |
Mill tool |
D816745, |
Oct 16 2015 |
SUGINO MACHINE LIMITED |
Reaming and burnishing tool |
D859482, |
Aug 22 2017 |
SUGINO MACHINE LIMITED |
Roller burnishing tool for machine tool |
D892868, |
Aug 17 2017 |
Downhole Products Limited |
Tubing shoe |
D911399, |
Dec 06 2018 |
Halliburton Energy Services, Inc.; Halliburton Energy Services, Inc |
Innermost cutter for a fixed-cutter drill bit |
Patent |
Priority |
Assignee |
Title |
4076445, |
Nov 04 1975 |
Mapal Fabrik Fur Prazisionswerkzeuge Dr. Kress KG |
Multiple blade reamer |
7645102, |
Jun 06 2005 |
Unitac, Inc. |
Drill head for deep hole machining |
8347988, |
Aug 21 2007 |
Airdrill Hammers and Bits Pty Ltd |
Down-hole hammer drill |
20100040425, |
|
|
|
20110280675, |
|
|
|
20130051944, |
|
|
|
D496948, |
Jun 12 2003 |
|
Square drill bit |
D504141, |
Jun 12 2003 |
|
Driver drill bit |
D525634, |
Feb 05 2003 |
Sandvik Tamrock Oy |
Shank adapter of rock drilling machine |
D639320, |
Jun 02 2010 |
SECO TOOLS AB |
Drilling tool tip |
D649988, |
Jun 02 2010 |
SECO TOOLS AB |
Drilling tool tip |
JP2008334663, |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a