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Patent Assignment Assignor Details
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Assignor Name : BERCKENHOFF, MICHAEL WAYNE
Total Assignments: 8
Assignment: 1
Reel/Frame:012006/0984   Pages: 3
Recorded: 07/23/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERCKENHOFF, MICHAEL WAYNE
Exec Dt:
05/30/2001
2
HEMPHILL, EDWARD RYAN
Exec Dt:
05/31/2001
Assignee
1
HYDRIL COMPANY
3300 N. SAM HOUSTON PARKWAY EAST
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6554247
US20020162981
09849819
Correspondence name and address
ROSENTHAL & OSHA L.L.P.
RICHARD A. FAGIN
700 LOUISIANA, SUITE 4550
HOUSTON, TX 77002
Assignment: 2
Reel/Frame:016994/0136   Pages: 3
Recorded: 09/16/2005
Attorney Dkt #:09430/249002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEMPHILL, EDWARD RYAN
Exec Dt:
09/14/2005
2
BERCKENHOFF, MICHAEL WAYNE
Exec Dt:
09/14/2005
3
CARBAUGH, WILLIAM L.
Exec Dt:
09/14/2005
Assignee
1
HYDRIL COMPANY LP
3300 NORTH SAM HOUSTON PARKWAY EAST
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7096960
US20030085040
10322038
Correspondence name and address
JEFFREY S. BERGMAN
OSHA & LIANG LLP
1221 MCKINNEY ST.
SUITE 2800
HOUSTON, TX 77010
Assignment: 3
Reel/Frame:018809/0983   Pages: 3
Recorded: 01/26/2007
Attorney Dkt #:9430.249003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEMPHIL, EDWARD RYAN
Exec Dt:
01/19/2007
2
BERCKENHOFF, MICHAEL WAYNE
Exec Dt:
01/15/2007
Assignee
1
HYDRIL COMPANY LP
3300 NORTH SAM HOUSTON PARKWAY EAST
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7413019
US20060243451
11386223
Correspondence name and address
JEFFREY S. BERGMAN
1221 MCKINNEY STREET, SUITE 2800
HOUSTON, TX 77010
Assignment: 4
Reel/Frame:018935/0657   Pages: 3
Recorded: 02/27/2007
Attorney Dkt #:9430.304001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JUDGE, ROBERT ARNOLD
Exec Dt:
01/16/2007
2
BERCKENHOFF, MICHAEL WAYNE
Exec Dt:
01/15/2007
Assignee
1
HYDRIL COMPANY LP
3300 NORTH SAM HOUSTON PARKWAY EAST
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060278406
11147887
Correspondence name and address
JEFFREY S. BERGMAN
1221 MCKINNEY STREET, SUITE 2800
HOUSTON, TX 77010
Assignment: 5
Reel/Frame:019308/0377   Pages: 22
Recorded: 05/11/2007
Attorney Dkt #:09430/249003
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT TYOGRAPHICAL ERROR IN THE FIRST APPLICANT'S NAME PREVIOUSLY RECORDED AT R/F 018809/0983.
Assignors
1
HEMPHILL, EDWARD RYAN
Exec Dt:
01/19/2007
2
BERCKENHOFF, MICHAEL WAYNE
Exec Dt:
01/15/2007
Assignee
1
HYDRIL COMPANY LP
3300 NORTH SAM HOUSTON PARKWAY EAST
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7413019
US20060243451
11386223
Correspondence name and address
JEFFREY S. BERGMAN
OSHA . LIANG LLP
1221 MCKINNEY ST., SUITE 2800
HOUSTON, TX 77010
Assignment: 6
Reel/Frame:022183/0342   Pages: 3
Recorded: 01/30/2009
Attorney Dkt #:09430/341001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BERCKENHOFF, MICHAEL WAYNE
Exec Dt:
01/23/2009
Assignee
1
HYDRIL USA MANUFACTURING LLC
3300 NORTH SAM HOUSTON PARKWAY EAST
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8702106
US20080017814
11489995
Correspondence name and address
JEFFREY S. BERGMAN
909 FANNIN STREET, SUITE 3500
HOUSTON, TX 77010
Assignment: 7
Reel/Frame:022359/0894   Pages: 6
Recorded: 03/06/2009
Attorney Dkt #:236459
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERCKENHOFF, MICHAEL WAYNE
Exec Dt:
02/06/2009
2
CHAVIERE, EUGENE CHARLES, III
Exec Dt:
02/11/2009
3
GASS, DUSTIN DEAN
Exec Dt:
02/20/2009
Assignee
1
HUDRIL USA MANUFACTURING LLC
3300 NORTH SAM HOUSTON PARKWAY EAST
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7975761
US20100155086
12338206
Correspondence name and address
MARDSON MCQUAY
PO BOX 861
2 CORPORATE DRIVE, SUITE 648
SHELTON, CT 06484
Assignment: 8
Reel/Frame:057013/0619   Pages: 8
Recorded: 07/28/2021
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNOR NAME TO EUGENE CHARLES CHAUVIERE III AND ASSIGNEE NAME TO HYDRIL USA MANUFACTURING LLC PREVIOUSLY RECORDED ON REEL 022359 FRAME 0894. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
BERCKENHOFF, MICHAEL WAYNE
Exec Dt:
02/06/2009
2
CHAUVIERE, EUGENE CHARLES, III
Exec Dt:
02/11/2009
3
GASS, DUSTIN DEAN
Exec Dt:
02/20/2009
Assignee
1
HYDRIL USA MANUFACTURING LLC
3300 NORTH SAM HOUSTON PARKWAY EAST
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7975761
US20100155086
12338206
Correspondence name and address
BAKER & MCKENZIE LLP
1900 N. PEARL STREET
SUITE 1500
DALLAS, TX 75201

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