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PTO
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Dossier
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Patent
D920070
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Priority
Sep 08 2017
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Filed
Jan 12 2020
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Issued
May 25 2021
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Expiry
May 25 2036
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Assg.orig
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Entity
unknown
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2
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24
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n/a
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The ornamental design for a directional drilling assembly, as shown and described.
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FIG. 1 is a front elevation view of a directional drilling assembly showing our new design;
FIG. 2 is a left side elevation view thereof;
FIG. 3 is a right side elevation view thereof; and,
FIG. 4 is a rear elevation view thereof.
Miess, David P., Prevost, Gregory, Reese, Michael R., Spatz, Edward C.
| Patent |
Priority |
Assignee |
Title |
| 2919897, |
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| 3561549, |
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|
| 4465147, |
Feb 02 1982 |
Shell Oil Company |
Method and means for controlling the course of a bore hole |
| 4485879, |
Aug 25 1982 |
Shell Oil Company |
Downhole motor and method for directional drilling of boreholes |
| 4729438, |
Jul 03 1986 |
EASTMAN CHRISTENSEN COMPANY, A JOINT VENTURE OF DE |
Stabilizer for navigational drilling |
| 4848490, |
Jul 03 1986 |
|
Downhole stabilizers |
| 6073707, |
Mar 11 1998 |
NATIONAL OILWELL VARCO, L P |
Downhole sub with kick pad for directional drilling |
| 6722453, |
Nov 30 1999 |
NATIONAL OILWELL VARCO, L P |
Stabilized downhole drilling motor |
| 8162081, |
Aug 28 2008 |
VAREL INTERNATIONAL IND., L.P. |
Force balanced asymmetric drilling reamer and methods for force balancing |
| 9163460, |
Oct 03 2011 |
Extreme Technologies, LLC |
Wellbore conditioning system |
| 9963938, |
Oct 20 2015 |
ACT ENERGY TECHNOLOGIES LTD |
Directional drilling motor |
| D710174, |
Aug 15 2013 |
Black & Decker Inc. |
Sleeve for screwdriving bit |
| D710175, |
Aug 15 2013 |
Black & Decker Inc. |
Sleeve for screwdriving bit |
| D710176, |
Aug 15 2013 |
Black & Decker Inc |
Sleeve for screwdriving bit |
| D713706, |
Mar 05 2012 |
Robert Bosch GmbH |
Tool holder portion of an impact driver |
| D717626, |
Mar 02 2013 |
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Adaptor for holding a tap threading device |
| D731277, |
Aug 16 2013 |
MAGNA-SONIC STRESS TESTERS, INC |
Barrel for pipe end refacing tool |
| D732364, |
Jul 02 2014 |
McGinley Engineered Solutions, LLC |
Removable chuck |
| D786645, |
Nov 03 2015 |
Z DRILLING HOLDINGS, INC.; Z DRILLING HOLDINGS, INC |
Reamer |
| D793831, |
Feb 03 2016 |
McGinley Engineered Solutions, LLC |
Removable chuck |
| D793832, |
Feb 03 2016 |
McGinley Engineered Solutions, LLC |
Removable chuck |
| D793833, |
Feb 03 2016 |
McGinley Engineered Solutions, LLC |
Removable chuck |
| D813003, |
Nov 15 2016 |
Wintek Tools Co., Ltd. |
Tool adapter |
| D874234, |
Sep 08 2017 |
XR Lateral, LLC |
Directional drilling assembly |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a