Patent
   D483042
Priority
Jun 03 2002
Filed
Mar 04 2003
Issued
Dec 02 2003
Expiry
Dec 02 2017
Assg.orig
Entity
unknown
5
16
n/a
The ornamental design for an over-reamer drilling tool for pilot bit, as shown and described.

FIG. 1 is a fragmentary perspective view of an over-reamer drilling tool illustrating the invention,

FIG. 2 is a side elevational view of the over-reamer drilling tool of FIG. 1, and showing a pilot bit in phantom for environmental purposes,

FIG. 3 is a top plan view of the over-reamer tool of FIG. 1, and showing a pilot bit in phantom for environmental purposes; and,

FIG. 4 is a side elevational view, as rotated 90°C from the FIG. 2 view, and showing a phantom pilot bit in an exploded position for illustration purposes.

Brady, William J.

Patent Priority Assignee Title
10392866, Mar 15 2013 US Synthetic Corporation Rotational drill bits and apparatuses including the same
D682325, Jan 30 2012 DIAMOND INNOVATIONS INC Drill bit
D682326, Jan 30 2012 Sandvik Intellectual Property AB; Diamond Innovations Inc. Drill bit
D786645, Nov 03 2015 Z DRILLING HOLDINGS, INC.; Z DRILLING HOLDINGS, INC Reamer
ER7422,
Patent Priority Assignee Title
4098362, Nov 30 1976 General Electric Company Rotary drill bit and method for making same
4190125, Nov 09 1977 FANSTEEL INC , A CORP OF DELAWARE Drill bit and steel combination for improved fluid flow
4535853, Dec 23 1982 Charbonnages de France; Cocentall - Ateliers de Carspach Drill bit for jet assisted rotary drilling
4572307, Apr 05 1983 Santrade Limited Rock drill
4683965, Jul 07 1986 Triangular oil well drill bit for use in unconsolidated formations
4711312, Jul 22 1986 DBT AMERICA INC Drill bit
4852671, Mar 17 1987 Halliburton Energy Services, Inc Diamond cutting element
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5400861, May 05 1994 KENNAMETAL INC Rotatable cutting bit assembly
5429199, Aug 26 1992 KENNAMETAL INC Cutting bit and cutting insert
5456329, Feb 16 1994 Dennis Tool Company Bifurcated drill bit construction
5458210, Oct 15 1993 The Sollami Company Drill bits and blades therefor
5535839, Jun 07 1995 DOVER BMCS ACQUISITION CORPORATION Roof drill bit with radial domed PCD inserts
6427782, Jun 07 1995 DOVER BMCS ACQUISITION CORP Noise suppression drilling system
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D430578, Oct 08 1998 DOVER BMCS ACQUISITION CORP Rotary mining bit
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 04 2003The William J. Brady Loving Trust(assignment on the face of the patent)
Jul 28 2003BRADY, WILLIAM J WILLIAM J BRADY LOVING TRUST, THEASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0143550064 pdf
Mar 31 2008BRADY, WILLIAM J DOVER BMCS ACQUISITION CORP ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0218380279 pdf
Mar 31 2008THE WILLIAM J BRADY LIVING OR LOVING TRUSTDOVER BMCS ACQUISITION CORP ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0218380279 pdf
Mar 31 2008BRADY, SHERRY HDOVER BMCS ACQUISITION CORP ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0218380279 pdf
Nov 01 2019THETA OILFIELD SERVICES, INC JPMORGAN CHASE BANK, N A SECURITY AGREEMENT0509410695 pdf
Nov 01 2019QUARTZDYNE, INC JPMORGAN CHASE BANK, N A SECURITY AGREEMENT0509410695 pdf
Nov 01 2019WINDROCK, INC JPMORGAN CHASE BANK, N A SECURITY AGREEMENT0509410695 pdf
Nov 01 2019PCS FERGUSON, INC JPMORGAN CHASE BANK, N A SECURITY AGREEMENT0509410695 pdf
Nov 01 2019APERGY BMCS ACQUISITION CORP JPMORGAN CHASE BANK, N A SECURITY AGREEMENT0509410695 pdf
Nov 01 2019APERGY ESP SYSTEMS, LLCJPMORGAN CHASE BANK, N A SECURITY AGREEMENT0509410695 pdf
Nov 01 2019US Synthetic CorporationJPMORGAN CHASE BANK, N A SECURITY AGREEMENT0509410695 pdf
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