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Patent Assignment Assignor Details
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Assignor Name : DONNALLY, ROBERT B.
Total Assignments: 8
Assignment: 1
Reel/Frame:004980/0839   Pages: 2
Recorded: 11/16/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DONNALLY, ROBERT B.
Exec Dt:
11/16/1988
Assignee
1
DRECO, INC., HOUSTON, TEXAS A TX CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4961562
NONE
07272720
Correspondence name and address
DAVID M. OSTFELD
CHAMBERLAIN, HRDLICKA, WHITE, JOHNSON &
WILLIAMS, 1400 CITICORP CTR.
1200 SMITH STREET
HOUSTON, TX 77002
Assignment: 2
Reel/Frame:004995/0838   Pages: 3
Recorded: 12/08/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DONNALLY, ROBERT B.
Exec Dt:
12/07/1988
Assignee
1
DRECO, INC., 30444 SOUTHWEST FREEWAY, ROSENBERG, TX A CORP. OF TX
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4932175
NONE
07281077
Correspondence name and address
FRANCIS A. KEEGAN
LALOS & KEEGAN
900 SEVENTEENTH ST., N. W.
WASHINGTON, DC 20006
Assignment: 3
Reel/Frame:006733/0117   Pages: 4
Recorded: 10/12/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DONNALLY, ROBERT B.
Exec Dt:
10/11/1993
2
ZAHN, BALDWIN
Exec Dt:
10/11/1993
Assignee
1
DRECO, INC.
30444 SOUTHWEST FREEWAY
ROSENBERG, TEXAS 77471
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5423390
NONE
08135171
Correspondence name and address
LALOS & KEEGAN
FRANCIS A. KEEGAN, ESQ.
1275 PENNSYLVANIA AVE., N.W.
SUITE 503
WASHINGTON, D.C. 20004-2404
Assignment: 4
Reel/Frame:017084/0360   Pages: 5
Recorded: 10/11/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DONNALLY, ROBERT B.
Exec Dt:
10/08/2005
2
FEHRES, NEIL E.
Exec Dt:
10/03/2005
Assignee
1
NATIONAL-OILWELL, L.P.
10000 RICHMOND AVENUE, 4TH FLOOR
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7234896
US20060078406
11247371
Correspondence name and address
J. DEAN LECHTENBERGER
HOWREY LLP
1111 LOUSIANA, 25TH FLOOR
HOUSTON, TEXAS 77002-5242
Assignment: 5
Reel/Frame:026998/0628   Pages: 3
Recorded: 09/30/2011
Attorney Dkt #:2160.020100
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DONNALLY, ROBERT B.
Exec Dt:
09/02/2011
2
LIN, LIU XI
Exec Dt:
09/02/2011
3
HOU, GUO
Exec Dt:
09/02/2011
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8813436
US20120066999
13222243
Correspondence name and address
J. MIKE AMERSON
WILLIAMS, MORGAN & AMERSON
10333 RICHMOND, SUITE 1100
HOUSTON, TX 77042
Assignment: 6
Reel/Frame:027213/0960   Pages: 5
Recorded: 11/11/2011
Attorney Dkt #:2160.007900
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DONNALLY, ROBERT B.
Exec Dt:
10/14/2011
2
REN, CHUNQIAO
Exec Dt:
10/14/2011
3
LIU, XI LIN
Exec Dt:
10/14/2011
4
YU, YAN
Exec Dt:
10/19/2011
5
YUE, PENG
Exec Dt:
10/14/2011
6
WANG, WEI
Exec Dt:
10/19/2011
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8875911
US20120047820
13148771
Correspondence name and address
J. MIKE AMERSON
WILLIAMS, MORGAN & AMERSON
10333 RICHMOND, SUITE 1100
HOUSTON, TX 77042
Assignment: 7
Reel/Frame:030895/0430   Pages: 4
Recorded: 07/29/2013
Attorney Dkt #:2160.020700
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DONNALLY, ROBERT B.
Exec Dt:
06/21/2013
2
REN, CHUNQIAO
Exec Dt:
06/26/2013
3
LIU, XILIN
Exec Dt:
06/26/2013
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8904716
US20130291452
13868696
Correspondence name and address
J. MIKE AMERSON
WILLIAMS, MORGAN & AMERSON
10333 RICHMOND, SUITE 1100
HOUSTON, TX 77042
Assignment: 8
Reel/Frame:030930/0324   Pages: 4
Recorded: 08/02/2013
Attorney Dkt #:2160.020200
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DONNALLY, ROBERT B.
Exec Dt:
06/21/2013
2
REN, CHUNQIAO
Exec Dt:
06/20/2013
3
LIU, XILIN
Exec Dt:
06/20/2013
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8863449
US20130276386
13868676
Correspondence name and address
J. MIKE AMERSON
WILLIAMS, MORGAN & AMERSON
10333 RICHMOND, SUITE 1100
HOUSTON, TX 77042

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