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

Reel/Frame:035723/0077   Pages: 15
Recorded: 05/27/2015
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 33
1
Patent #:
5473899
Issue Dt:
12/12/1995
Application #:
08074383
Filing Dt:
06/10/1993
Title:
TURBOMACHINERY FOR MODIFIED ERICSSON ENGINES AND OTHER POWER/REFRIGERATION APPLICATIONS
2
Patent #:
5695643
Issue Dt:
12/09/1997
Application #:
08129692
Filing Dt:
09/17/1993
Title:
PROCESS FOR BRINE DISPOSAL
3
Patent #:
5590528
Issue Dt:
01/07/1997
Application #:
08137980
Filing Dt:
10/19/1993
Title:
TURBOCHARGED RECIPROCATION ENGINE FOR POWER AND REFRIGERATION USING THE MODIFIED ERICSSON CYCLE
4
Patent #:
5680764
Issue Dt:
10/28/1997
Application #:
08477114
Filing Dt:
06/07/1995
Title:
CLEAN AIR ENGINES FOR TRANSPORTATION AND OTHER POWER APPLICATIONS
5
Patent #:
5709077
Issue Dt:
01/20/1998
Application #:
08479928
Filing Dt:
08/25/1995
Title:
REDUCE POLLUTION HYDROCARBON COMBUSTION GAS GENERATOR
6
Patent #:
5715673
Issue Dt:
02/10/1998
Application #:
08670084
Filing Dt:
06/25/1996
Title:
REDUCED POLLUTION POWER GENERATION SYSTEM
7
Patent #:
5970702
Issue Dt:
10/26/1999
Application #:
08863486
Filing Dt:
05/27/1997
Title:
REDUCED PULLUTION HYDROCAR BON COMBUSTION GAS GENERATOR
8
Patent #:
5956937
Issue Dt:
09/28/1999
Application #:
08865213
Filing Dt:
05/29/1997
Title:
REDUCED POLLUTION POWER GENERATION SYSTEM HAVING MULTIPLE TURBINE AND REHEATER
9
Patent #:
6170264
Issue Dt:
01/09/2001
Application #:
09023336
Filing Dt:
02/13/1998
Title:
HYDROCARBON COMBUSTION POWER GENERATION SYSTEM WITH CO2 SEQUESTRATION
10
Patent #:
6206684
Issue Dt:
03/27/2001
Application #:
09235563
Filing Dt:
01/22/1999
Title:
STEAM GENERATOR INJECTOR
11
Patent #:
6247316
Issue Dt:
06/19/2001
Application #:
09533611
Filing Dt:
03/22/2000
Title:
Clean air engines for transportation and other power applications
12
Patent #:
6389814
Issue Dt:
05/21/2002
Application #:
09746289
Filing Dt:
12/20/2000
Publication #:
US20010015061
Pub Dt:
08/23/2001
Title:
HYDROCARBON COMBUSTION POWER GENERATION SYSTEM WITH CO2 SEQUESTRATION
13
Patent #:
6622470
Issue Dt:
09/23/2003
Application #:
09855223
Filing Dt:
05/14/2001
Publication #:
US20020100271
Pub Dt:
08/01/2002
Title:
SEMI-CLOSED BRAYTON CYCLE GAS TURBINE POWER SYSTEMS
14
Patent #:
6824710
Issue Dt:
11/30/2004
Application #:
09855224
Filing Dt:
05/14/2001
Publication #:
US20020096660
Pub Dt:
07/25/2002
Title:
WORKING FLUID COMPOSITIONS FOR USE IN SEMI-CLOSED BRAYTON CYCLE GAS TURBINE POWER SYSTEMS
15
Patent #:
6637183
Issue Dt:
10/28/2003
Application #:
09855237
Filing Dt:
05/14/2001
Publication #:
US20020023423
Pub Dt:
02/28/2002
Title:
SEMI-CLOSED BRAYTON CYCLE GAS TURBINE POWER SYSTEMS
16
Patent #:
6523349
Issue Dt:
02/25/2003
Application #:
09885377
Filing Dt:
06/19/2001
Publication #:
US20020002827
Pub Dt:
01/10/2002
Title:
CLEAN AIR ENGINES FOR TRANSPORTATION AND OTHER POWER APPLICATIONS
17
Patent #:
6598398
Issue Dt:
07/29/2003
Application #:
10153080
Filing Dt:
05/21/2002
Publication #:
US20020144506
Pub Dt:
10/10/2002
Title:
HYDROCARBON COMBUSTION POWER GENERATION SYSTEM WITH CO2 SEQUESTRATION
18
Patent #:
6868677
Issue Dt:
03/22/2005
Application #:
10155932
Filing Dt:
05/24/2002
Publication #:
US20020174659
Pub Dt:
11/28/2002
Title:
COMBINED FUEL CELL AND FUEL COMBUSTION POWER GENERATION SYSTEMS
19
Patent #:
7043920
Issue Dt:
05/16/2006
Application #:
10616480
Filing Dt:
07/08/2003
Publication #:
US20040003592
Pub Dt:
01/08/2004
Title:
HYDROCARBON COMBUSTION POWER GENERATION SYSTEM WITH CO2 SEQUESTRATION
20
Patent #:
6910335
Issue Dt:
06/28/2005
Application #:
10645954
Filing Dt:
08/22/2003
Publication #:
US20040065088
Pub Dt:
04/08/2004
Title:
SEMI-CLOSED BRAYTON CYCLE GAS TURBINE POWER SYSTEMS
21
Patent #:
6945029
Issue Dt:
09/20/2005
Application #:
10716004
Filing Dt:
11/17/2003
Publication #:
US20040128975
Pub Dt:
07/08/2004
Title:
LOW POLLUTION POWER GENERATION SYSTEM WITH ION TRANSFER MEMBRANE AIR SEPARATION
22
Patent #:
7021063
Issue Dt:
04/04/2006
Application #:
10798182
Filing Dt:
03/10/2004
Publication #:
US20040221581
Pub Dt:
11/11/2004
Title:
REHEAT HEAT EXCHANGER POWER GENERATION SYSTEMS
23
Patent #:
NONE
Issue Dt:
Application #:
11502209
Filing Dt:
08/10/2006
Publication #:
US20070044479
Pub Dt:
03/01/2007
Title:
Hydrogen production from an oxyfuel combustor
24
Patent #:
7827794
Issue Dt:
11/09/2010
Application #:
11594331
Filing Dt:
11/07/2006
Title:
ULTRA LOW EMISSIONS FAST STARTING POWER PLANT
25
Patent #:
7882692
Issue Dt:
02/08/2011
Application #:
11799125
Filing Dt:
04/30/2007
Publication #:
US20070204620
Pub Dt:
09/06/2007
Title:
ZERO EMISSIONS CLOSED RANKINE CYCLE POWER SYSTEM
26
Patent #:
8631658
Issue Dt:
01/21/2014
Application #:
12381278
Filing Dt:
03/09/2009
Publication #:
US20100146970
Pub Dt:
06/17/2010
Title:
Method and system for enhancing power output of renewable thermal cycle power plants
27
Patent #:
8833080
Issue Dt:
09/16/2014
Application #:
12593789
Filing Dt:
04/09/2010
Publication #:
US20100205965
Pub Dt:
08/19/2010
Title:
ARRANGEMENT WITH A STEAM TURBINE AND A CONDENSER
28
Patent #:
8522871
Issue Dt:
09/03/2013
Application #:
12660780
Filing Dt:
03/04/2010
Publication #:
US20100224363
Pub Dt:
09/09/2010
Title:
METHOD OF DIRECT STEAM GENERATION USING AN OXYFUEL COMBUSTOR
29
Patent #:
NONE
Issue Dt:
Application #:
12927215
Filing Dt:
11/09/2010
Publication #:
US20110126549
Pub Dt:
06/02/2011
Title:
Ultra low emissions fast starting power plant
30
Patent #:
NONE
Issue Dt:
Application #:
13221975
Filing Dt:
08/31/2011
Publication #:
US20120160187
Pub Dt:
06/28/2012
Title:
ZERO EMISSION STEAM GENERATION PROCESS
31
Patent #:
NONE
Issue Dt:
Application #:
13626702
Filing Dt:
09/25/2012
Publication #:
US20130022537
Pub Dt:
01/24/2013
Title:
HYDROGEN PRODUCTION FROM AN OXYFUEL COMBUSTOR
32
Patent #:
8936080
Issue Dt:
01/20/2015
Application #:
14016708
Filing Dt:
09/03/2013
Publication #:
US20140000880
Pub Dt:
01/02/2014
Title:
METHOD OF DIRECT STEAM GENERATION USING AN OXYFUEL COMBUSTOR
33
Patent #:
NONE
Issue Dt:
Application #:
14048867
Filing Dt:
10/08/2013
Publication #:
US20140137779
Pub Dt:
05/22/2014
Title:
NEAR ZERO EMISSIONS PRODUCTION OF CLEAN HIGH PRESSURE STEAM
Assignor
1
CLEAN ENERGY SYSTEMS, INC.
Exec Dt:
05/15/2015
Assignee
1
SOUTHERN CALIFORNIA GAS COMPANY
101 ASH STREET
HQ12
SAN DIEGO, CALIFORNIA 92101
Correspondence name and address
BRAD HARDING
777 S. FIGUEROA ST. 37TH FLOOR
LOS ANGELES, CA 90017

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