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Patent Assignment Assignor Details
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Assignor Name : HARDER, NATHAN J.
Total Assignments: 11
Assignment: 1
Reel/Frame:015707/0028   Pages: 11
Recorded: 08/23/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TIBBITTS, GORDON A.
Exec Dt:
06/14/2004
2
PADGETT, PAUL O.
Exec Dt:
06/21/2004
3
CURLETT, HARRY B.
Exec Dt:
06/16/2004
4
HARDER, NATHAN J.
Exec Dt:
06/14/2004
5
CURLETT, SAMUEL R.
Exec Dt:
08/13/2004
Assignee
1
PARTICLE DRILLING, INC.
808 TRAVIS, SUITE 850
HOUSTON, TEXAS 77002
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7258176
US20060027398
10825338
Correspondence name and address
CONLEY ROSE, P.C.
COLLIN A. ORSE
P.O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 2
Reel/Frame:020921/0347   Pages: 6
Recorded: 05/08/2008
Attorney Dkt #:66015.105038
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HARDER, NATHAN J.
Exec Dt:
12/21/2005
2
PADGETT, PAUL O.
Exec Dt:
10/28/2005
Assignee
1
PARTICLE DRILLING TECHNOLOGIES, INC.
5611 BAIRD CT
HOUSTON, TEXAS 77041
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7793741
US20060191718
11205006
Correspondence name and address
JEFFREY S. WHITTLE
711 LOUISIANA STREET
HOUSTON, TX 77002
Assignment: 3
Reel/Frame:020960/0949   Pages: 6
Recorded: 05/16/2008
Attorney Dkt #:66015.000007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HARDER, NATHAN J.
Exec Dt:
12/21/2005
2
PADGETT, PAUL O.
Exec Dt:
10/28/2005
Assignee
1
PARTICLE DRILLING TECHNOLOGIES, INC.
5611 BAIRD CT
HOUSTON, TEXAS 77041
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7757786
US20080230275
12122374
Correspondence name and address
BRACEWELL & GIULIANI LLP
P.O. BOX 61389
HOUSTON, TX 77208-1389
Assignment: 4
Reel/Frame:020395/0508   Pages: 8
Recorded: 01/22/2008
Attorney Dkt #:13978.105084 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VUYK, ADRIAN, JR.
Exec Dt:
08/21/2007
2
TERRY, JIM B.
Exec Dt:
08/20/2007
3
TIBBITTS, GORDON ALLEN
Exec Dt:
08/20/2007
4
HARDER, NATHAN J.
Exec Dt:
09/15/2007
5
GALLOWAY, GREGORY G.
Exec Dt:
08/21/2007
Assignee
1
PARTICLE DRILLING TECHNOLOGIES, INC.
11757 KATY FREEWAY
SUITE 1300
HOUSTON, TEXAS 77079
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7997355
US20090200084
11773355
Correspondence name and address
YVONNE LOFTIN
1100 LOUISIANA
SUITE 4000
HOUSTON, TX 77002
Assignment: 5
Reel/Frame:020854/0597   Pages: 7
Recorded: 04/25/2008
Attorney Dkt #:66015.105086
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TIBBITTS, GORDON A.
Exec Dt:
07/30/2007
2
GALLOWAY, GREG
Exec Dt:
07/30/2007
3
VUYK, ADRIAN, JR.
Exec Dt:
07/30/2007
4
PADGETT, PAUL O.
Exec Dt:
09/27/2007
5
HARDER, NATHAN J.
Exec Dt:
12/20/2007
Assignee
1
PARTICLE DRILLING TECHNOLOGIES, INC.
5611 BAIRD COURT
HOUSTON, TEXAS 77041
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090200080
11801268
Correspondence name and address
JEFFREY S. WHITTLE
711 LOUISIANA STREET, SUITE 2300
HOUSTON, TX 77002
Assignment: 6
Reel/Frame:025182/0001   Pages: 294
Recorded: 10/22/2010
Attorney Dkt #:P32316USCIP7C2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HARDER, NATHAN J.
Exec Dt:
08/28/2009
2
CURLETT, HARRY B.
Exec Dt:
08/28/2009
3
PADGETT, PAUL O.
Exec Dt:
08/28/2009
4
HAZEL, BUTCH
Exec Dt:
08/28/2009
Assignee
1
PDTI HOLDINGS, LLC
5611 BAIRD COURT
HOUSTON, TEXAS 77041
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8162079
US20100243330
12796377
Correspondence name and address
ARNOLD & KNOBLOCH, L.L.P.
4900 WOODWAY DRIVE, SUITE 900
HOUSTON, TX 77056
Assignment: 7
Reel/Frame:040586/0058   Pages: 10
Recorded: 12/07/2016
Attorney Dkt #:098273-0952
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PERKINS, DAVID L.
Exec Dt:
06/02/2015
2
GASCOOKE, DARREN G.
Exec Dt:
11/10/2015
3
PAI, NAGARAJA
Exec Dt:
07/28/2015
4
HARDER, NATHAN J.
Exec Dt:
07/28/2015
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9891163
US20170284931
15316878
Correspondence name and address
MCDERMOTT WILL & EMERY LLP
THE MCDERMOTT BUILDING
500 NORTH CAPITOL STREET, N.W.
WASHINGTON, DC 20001
Assignment: 8
Reel/Frame:044911/0877   Pages: 10
Recorded: 02/13/2018
Attorney Dkt #:098273-2299
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PERKINS, DAVID L.
Exec Dt:
06/02/2015
2
GASCOOKE, DARREN G.
Exec Dt:
11/10/2015
3
PAI, NAGARAJA
Exec Dt:
07/28/2015
4
HARDER, NATHAN J.
Exec Dt:
10/27/2015
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10533938
US20180156720
15873804
Correspondence name and address
MCDERMOTT WILL & EMERY LLP
4 PARK PLAZA
SUITE 1700
IRVINE, CA 92614
Assignment: 9
Reel/Frame:049386/0361   Pages: 6
Recorded: 06/05/2019
Attorney Dkt #:061429-1065806
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHONG, XIAOGUANG
Exec Dt:
09/01/2015
2
HARDER, NATHAN J.
Exec Dt:
10/27/2015
3
CLEMENS, JACK GAMMILL
Exec Dt:
10/20/2015
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10358890
US20180187509
15736245
Correspondence name and address
KILPATRICK TOWNSEND & STOCKTON LLP
1100 PEACHTREE STREET NE
SUITE 2800
ATLANTA, GA 30309
Assignment: 10
Reel/Frame:046306/0197   Pages: 6
Recorded: 07/10/2018
Attorney Dkt #:061429-1084031
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CLEMENS, JACK GAMMILL
Exec Dt:
07/09/2018
2
HOLLY, MARK
Exec Dt:
07/09/2018
3
HARDER, NATHAN J.
Exec Dt:
07/09/2018
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11162313
US20190017340
15992499
Correspondence name and address
KILPATRICK TOWNSEND & STOCKTON LLP
1100 PEACHTREE STREET NE
SUITE 2800
ATLANTA, GA 30309
Assignment: 11
Reel/Frame:052098/0817   Pages: 6
Recorded: 03/12/2020
Attorney Dkt #:7523.2060US01; WO01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PHAN, ANTHONY
Exec Dt:
01/07/2020
2
HARDER, NATHAN J.
Exec Dt:
02/17/2020
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11236578
US20210156221
16697953
Correspondence name and address
HAYNES AND BOONE, LLP
2323 VICTORY AVENUE, SUITE 700
IP SECTION
DALLAS, TX 75219

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