Duggan; James L.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Duggan; James L..The latest application filed is for "methods of attaching a shank to a body of an earth-boring tool including a load-bearing joint and tools formed by such methods".

Company Profile

0.14.14

Duggan; James L. - Friendswood TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Methods of attaching a shank to a body of an earth-boring tool including a load-bearing joint and tools formed by such methods Grant 9,163,461 - Smith , et al. October 20, 2	2015-10-20
Methods Of Attaching A Shank To A Body Of An Earth-boring Tool Including A Load-bearing Joint And Tools Formed By Such Methods App 20140284113 - Smith; Redd H. ; et al.	2014-09-25
Methods of attaching a shank to a body of an earth-boring tool including a load-bearing joint and tools formed by such methods Grant 8,746,373 - Smith , et al. June 10, 2	2014-06-10
Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies Grant 8,309,018 - Smith , et al. November 13, 2	2012-11-13
Methods of forming earth-boring tools using geometric compensation and tools formed by such methods Grant 8,079,429 - Smith , et al. December 20, 2	2011-12-20
Method of manufacturing a rotary drill bit Grant 8,065,935 - Sherwood, Jr. , et al. November 29, 2	2011-11-29
Methods Of Attaching A Shank To A Body Of An Earth-boring Tool Including A Load Bearing Joint And Tools Formed By Such Methods App 20110186354 - Smith; Redd H. ; et al.	2011-08-04
Earth Boring Rotary Drill Bits And Methods Of Manufacturing Earth Boring Rotary Drill Bits Having Particle Matrix Composite Bit Bodies App 20100263935 - Smith; Redd H. ; et al.	2010-10-21
Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies Grant 7,776,256 - Smith , et al. August 17, 2	2010-08-17
Methods of attaching a shank to a body of an earth-boring drilling tool, and tools formed by such methods Grant 7,775,287 - Duggan , et al. August 17, 2	2010-08-17
Methods Of Enhancing Retention Forces Between Interfering Parts, And Structures Formed By Such Methods App 20100155147 - Oxford; James Andy ; et al.	2010-06-24
Methods of attaching a shank to a body of an earth-boring tool including a load-bearing joint and tools formed by such methods Grant 7,703,556 - Smith , et al. April 27, 2	2010-04-27
Shrink-fit sleeve assembly for a drill bit, including nozzle assembly and method therefor Grant 7,681,668 - Oxford , et al. March 23, 2	2010-03-23
Methods Of Attaching A Shank To A Body Of An Earth-boring Tool Including A Load Bearing Joint And Tools Formed By Such Methods App 20090301787 - Smith; Redd H. ; et al.	2009-12-10
Methods Of Forming Earth-boring Tools Using Geometric Compensation And Tools Formed By Such Methods App 20090301786 - Smith; Redd H. ; et al.	2009-12-10
Methods Of Manufacturing And Repairing Rotary Drill Bits Including Support Elements Affixed To The Bit Body At Least Partially Defining Cutter Pocket Recesses App 20090158898 - Sherwood, JR.; William H. ; et al.	2009-06-25
Fixed cutter rotary drill bit including support elements affixed to the bit body at least partially defining cutter pocket recesses Grant 7,520,345 - Sherwood, Jr. , et al. April 21, 2	2009-04-21
Shrink fit sleeve assembly for a drill bit, including nozzle assembly and method thereof App 20080236899 - Oxford; James Andy ; et al.	2008-10-02
Earth-boring tools having pockets for receiving cutting elements therein and methods of forming such pockets and earth-boring tools App 20080223622 - Duggan; James L. ; et al.	2008-09-18
Methods of attaching a shank to a body of an earth-boring drilling tool, and tools formed by such methods App 20080135304 - Duggan; James L. ; et al.	2008-06-12
Methods of manufacturing and repairing rotary drill bits including support elements affixed to the bit body at least partially defining cutter pocket recesses App 20070158115 - Sherwood; William H. JR. ; et al.	2007-07-12
Methods of manufacturing and repairing steel body rotary drill bits including support elements affixed to the bit body at least partially defining cutter pocket recesses Grant 7,216,565 - Sherwood, Jr. , et al. May 15, 2	2007-05-15
Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies App 20070102199 - Smith; Redd H. ; et al.	2007-05-10
Methods of manufacturing and repairing steel body rotary drill bits including support elements affixed to the bit body at least partially defining cutter pocket recesses App 20060150777 - Sherwood; William H. JR. ; et al.	2006-07-13
Steel body rotary drill bits including support elements affixed to the bit body at least partially defining cutter pocket recesses Grant 7,070,011 - Sherwood, Jr. , et al. July 4, 2	2006-07-04
Cutting element retention apparatus for use in steel body rotary drill bits, steel body rotary drill bits so equipped, and method of manufacture and repair therefor App 20050103533 - Sherwood, William H. JR. ; et al.	2005-05-19
Steel body drill bits with tailored hardfacing structural elements Grant 6,651,756 - Costo, Jr. , et al. November 25, 2	2003-11-25

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