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NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:049513/0022   Pages: 6
Recorded: 06/19/2019
Attorney Dkt #:BHC1000G
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 26
1
Patent #:
6956791
Issue Dt:
10/18/2005
Application #:
10354157
Filing Dt:
01/28/2003
Publication #:
US20040145970
Pub Dt:
07/29/2004
Title:
APPARATUS FOR RECEIVING DOWNHOLE ACOUSTIC SIGNALS
2
Patent #:
6816053
Issue Dt:
11/09/2004
Application #:
10402989
Filing Dt:
04/01/2003
Publication #:
US20040196129
Pub Dt:
10/07/2004
Title:
CIRCUIT TO MITIGATE TRANSFORMER SHORTED TURN
3
Patent #:
NONE
Issue Dt:
Application #:
11786521
Filing Dt:
04/11/2007
Publication #:
US20070257809
Pub Dt:
11/08/2007
Title:
Acoustic telemetry system optimization
4
Patent #:
7872945
Issue Dt:
01/18/2011
Application #:
11786643
Filing Dt:
04/11/2007
Publication #:
US20080025148
Pub Dt:
01/31/2008
Title:
DYNAMIC EFFICIENCY OPTIMIZATION OF PIEZOELECTRIC ACTUATOR
5
Patent #:
7768423
Issue Dt:
08/03/2010
Application #:
11786644
Filing Dt:
04/11/2007
Publication #:
US20070257810
Pub Dt:
11/08/2007
Title:
TELEMETRY TRANSMITTER OPTIMIZATION VIA INFERRED MEASURED DEPTH
6
Patent #:
7817061
Issue Dt:
10/19/2010
Application #:
11786645
Filing Dt:
04/11/2007
Publication #:
US20080013403
Pub Dt:
01/17/2008
Title:
TELEMETRY TRANSMITTER OPTIMIZATION USING TIME DOMAIN REFLECTOMETRY
7
Patent #:
7928861
Issue Dt:
04/19/2011
Application #:
11786646
Filing Dt:
04/11/2007
Publication #:
US20070258326
Pub Dt:
11/08/2007
Title:
TELEMETRY WAVE DETECTION APPARATUS AND METHOD
8
Patent #:
8115651
Issue Dt:
02/14/2012
Application #:
12082530
Filing Dt:
04/11/2008
Publication #:
US20080253228
Pub Dt:
10/16/2008
Title:
DRILL STRING TELEMETRY METHODS AND APPARATUS
9
Patent #:
8270251
Issue Dt:
09/18/2012
Application #:
12645353
Filing Dt:
12/22/2009
Publication #:
US20100157741
Pub Dt:
06/24/2010
Title:
ACOUSTIC ISOLATOR
10
Patent #:
8437220
Issue Dt:
05/07/2013
Application #:
12697938
Filing Dt:
02/01/2010
Publication #:
US20100195441
Pub Dt:
08/05/2010
Title:
PARALLEL-PATH ACOUSTIC TELEMETRY ISOLATION SYSTEM AND METHOD
11
Patent #:
8393412
Issue Dt:
03/12/2013
Application #:
12704368
Filing Dt:
02/11/2010
Publication #:
US20100200296
Pub Dt:
08/12/2010
Title:
SYSTEM AND METHOD FOR ACCURATE WELLBORE PLACEMENT
12
Patent #:
8982667
Issue Dt:
03/17/2015
Application #:
12705346
Filing Dt:
02/12/2010
Publication #:
US20100208552
Pub Dt:
08/19/2010
Title:
ACOUSTIC TELEMETRY STACKED-RING WAVE DELAY ISOLATOR SYSTEM AND METHOD
13
Patent #:
8022840
Issue Dt:
09/20/2011
Application #:
12878858
Filing Dt:
09/09/2010
Publication #:
US20110006910
Pub Dt:
01/13/2011
Title:
TELEMETRY TRANSMITTER OPTIMIZATION USING TIME DOMAIN REFLECTOMETRY
14
Patent #:
8823543
Issue Dt:
09/02/2014
Application #:
13046574
Filing Dt:
03/11/2011
Publication #:
US20110163889
Pub Dt:
07/07/2011
Title:
TELEMETRY WAVE DETECTION APPARATUS AND METHOD
15
Patent #:
8922387
Issue Dt:
12/30/2014
Application #:
13087020
Filing Dt:
04/14/2011
Publication #:
US20110254695
Pub Dt:
10/20/2011
Title:
TAPERED THREAD EM GAP SUB SELF-ALIGNING MEANS AND METHOD
16
Patent #:
9458711
Issue Dt:
10/04/2016
Application #:
14094417
Filing Dt:
12/02/2013
Publication #:
US20140153369
Pub Dt:
06/05/2014
Title:
DOWNHOLE LOW RATE LINEAR REPEATER RELAY NETWORK TIMING SYSTEM AND METHOD
17
Patent #:
NONE
Issue Dt:
Application #:
14215617
Filing Dt:
03/17/2014
Publication #:
US20140266769
Pub Dt:
09/18/2014
Title:
NETWORK TELEMETRY SYSTEM AND METHOD
18
Patent #:
10103846
Issue Dt:
10/16/2018
Application #:
14217160
Filing Dt:
03/17/2014
Publication #:
US20140269188
Pub Dt:
09/18/2014
Title:
ROBUST TELEMETRY REPEATER NETWORK SYSTEM AND METHOD
19
Patent #:
9458712
Issue Dt:
10/04/2016
Application #:
14660833
Filing Dt:
03/17/2015
Publication #:
US20150192010
Pub Dt:
07/09/2015
Title:
ACOUSTIC TELEMETRY STACKED-RING WAVE DELAY ISOLATOR SYSTEM AND METHOD
20
Patent #:
9797241
Issue Dt:
10/24/2017
Application #:
14766421
Filing Dt:
08/06/2015
Publication #:
US20150377017
Pub Dt:
12/31/2015
Title:
ACOUSTIC TRANSMITTER FOR TRANSMITTING A SIGNAL THROUGH A DOWNHOLE MEDIUM
21
Patent #:
NONE
Issue Dt:
Application #:
14771777
Filing Dt:
08/31/2015
Publication #:
US20160017704
Pub Dt:
01/21/2016
Title:
RANGE POSITIONING TOOL FOR USE WITHIN A CASING OR LINER STRING
22
Patent #:
10408050
Issue Dt:
09/10/2019
Application #:
14775477
Filing Dt:
09/11/2015
Publication #:
US20160024913
Pub Dt:
01/28/2016
Title:
ACOUSTIC RECEIVER FOR USE ON A DRILL STRING
23
Patent #:
10060255
Issue Dt:
08/28/2018
Application #:
15285367
Filing Dt:
10/04/2016
Publication #:
US20170022805
Pub Dt:
01/26/2017
Title:
DOWNHOLE LOW RATE LINEAR REPEATER RELAY NETWORK TIMING SYSTEM AND METHOD
24
Patent #:
10465507
Issue Dt:
11/05/2019
Application #:
16080600
Filing Dt:
08/28/2018
Publication #:
US20190017371
Pub Dt:
01/17/2019
Title:
METHOD AND SYSTEM FOR CONTROLLING VOLTAGE APPLIED ACROSS A PIEZOELECTRIC STACK OF A DOWNHOLE ACOUSTIC TRANSMITTER
25
Patent #:
10677049
Issue Dt:
06/09/2020
Application #:
16115221
Filing Dt:
08/28/2018
Publication #:
US20180363457
Pub Dt:
12/20/2018
Title:
DOWNHOLE LOW RATE LINEAR REPEATER RELAY NETWORK TIMING SYSTEM AND METHOD
26
Patent #:
10669842
Issue Dt:
06/02/2020
Application #:
16335152
Filing Dt:
03/20/2019
Publication #:
US20190226330
Pub Dt:
07/25/2019
Title:
METHOD AND APPARATUS FOR PRE-LOADING A PIEZOELECTRIC TRANSDUCER FOR DOWNHOLE ACOUSTIC COMMUNICATION
Assignor
1
XACT DOWNHOLE TELEMETRY INC.
Exec Dt:
05/30/2019
Assignee
1
BAKER HUGHES CANADA COMPANY
1000, 401 9TH AVENUE
SW CALGARY, AB, CANADA T2P3C5
Correspondence name and address
CANTOR COLBURN - BAKER HUGHES, A GE COMPANY
20 CHURCH STREET, 22ND FLR.
HARTFORD, CT 06103

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