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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, |
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| 20110280675, |
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| 20130051944, |
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| 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