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Patent Assignment Assignor Details
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Assignor Name : CHENG, ALAN T.
Total Assignments: 13
Assignment: 1
Reel/Frame:005513/0473   Pages: 4
Recorded: 11/21/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CHENG, ALAN T.
Exec Dt:
09/19/1990
Assignee
1
UNION CARBIDE INDUSTRIAL GASES TECHNOLOGY CORPORATION
3 CHRISTINA CENTRE, SUITE 903, 201 NORTH WALNUT STREET, A CORP OF DE
WILMINGTON, DELAWARE 19801
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5302325
NONE
07587860
Correspondence name and address
UNION CARBIDE CORPORATION
LAW DEPARTMENT - E 134
39 OLD RIDGEBURY ROAD
DANBURY, CT 06817-0001
Assignment: 2
Reel/Frame:005996/0371   Pages: 4
Recorded: 01/31/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CHENG, ALAN T.
Exec Dt:
12/19/1991
Assignee
1
UNION CARBIDE INDUSTRIAL GASES TECHNOLOGY CORPORATION A CORPORATION OF DELAWARE
3 CHRISTINA CENTRE, STE. 903, 201 NORTH WALNUT STREET, WILMINGTON, DE 19801
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5211916
NONE
07813022
Correspondence name and address
UNION CARBIDE INDUSTRIAL GASES
TECHNOLOGY CORP.
LAW DEPT. - E 134
39 OLD RIDGEBURY RD.
DANBURY, CT 06817-0001
Assignment: 3
Reel/Frame:010587/0598   Pages: 5
Recorded: 02/01/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENG, ALAN T.
Exec Dt:
01/20/2000
2
DURAO, PEDRO L.
Exec Dt:
01/14/2000
Assignee
1
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6355292
NONE
09492759
Correspondence name and address
PRAXAIR, INC.
MISS JOANN M. JELSA
39 OLD RIDGEBURY ROAD
LAW DEPARTMENT - M1 557
DANBURY, CT 06810-5113
Assignment: 4
Reel/Frame:036584/0822   Pages: 5
Recorded: 09/10/2015
Attorney Dkt #:13082-WO-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUN, ZHIJIE
Exec Dt:
11/19/2010
2
XIE, DE-CHENG
Exec Dt:
11/23/2010
3
CHENG, ALAN T.
Exec Dt:
03/08/2011
Assignee
1
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140007615
13884647
Correspondence name and address
PRAXAIR, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CT 06810
Assignment: 5
Reel/Frame:026415/0243   Pages: 5
Recorded: 06/09/2011
Attorney Dkt #:13088-CIP2-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENG, ALAN T.
Exec Dt:
05/19/2011
2
HO, YEU-CHUAN SIMON
Exec Dt:
05/19/2011
3
ZHOU, YING
Exec Dt:
05/19/2011
Assignee
1
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8820097
US20120102977
13097763
Correspondence name and address
PRAXAIR, INC. LAW DEPARTMENT - M1 557
39 OLD RIDGEBURY ROAD
DANBURY, CT 06810-5113
Assignment: 6
Reel/Frame:026415/0468   Pages: 9
Recorded: 06/09/2011
Attorney Dkt #:13087-CIP1-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHOU, YING
Exec Dt:
05/19/2011
2
GASTEYER, III, THEODORE H.
Exec Dt:
05/19/2011
3
GRINTER, NIGEL J.
Exec Dt:
05/19/2011
4
CHENG, ALAN T.
Exec Dt:
05/19/2011
5
HO, YEU-CHUAN SIMON
Exec Dt:
05/19/2011
6
SEVER, ROBERT R.
Exec Dt:
05/19/2011
Assignee
1
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8794013
US20120102982
13097724
Correspondence name and address
PRAXAIR, INC. LAW DEPARTMENT - M1 557
39 OLD RIDGEBURY ROAD
DANBURY, CT 06810-5113
Assignment: 7
Reel/Frame:028233/0379   Pages: 3
Recorded: 05/18/2012
Attorney Dkt #:13089-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHENG, ALAN T.
Exec Dt:
05/23/2011
Assignee
1
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120295332
13475163
Correspondence name and address
PRAXAIR, INC. LAW DEPARTMENT - M1 556
39 OLD RIDGEBURY ROAD
DANBURY, CT 06810
Assignment: 8
Reel/Frame:028233/0886   Pages: 3
Recorded: 05/18/2012
Attorney Dkt #:13090-P1-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHENG, ALAN T.
Exec Dt:
05/23/2011
Assignee
1
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120295333
13475239
Correspondence name and address
PRAXAIR, INC. LAW DEPARTMENT - M1 556
39 OLD RIDGEBURY ROAD
DANBURY, CT 06810
Assignment: 9
Reel/Frame:028236/0503   Pages: 3
Recorded: 05/18/2012
Attorney Dkt #:13091-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHENG, ALAN T.
Exec Dt:
05/23/2011
Assignee
1
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120295248
13475294
Correspondence name and address
PRAXAIR, INC. LAW DEPARTMENT - M1 556
39 OLD RIDGEBURY ROAD
DANBURY, CT 06810
Assignment: 10
Reel/Frame:028419/0766   Pages: 3
Recorded: 06/21/2012
Attorney Dkt #:13092-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHENG, ALAN T.
Exec Dt:
06/27/2011
Assignee
1
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120318017
13526614
Correspondence name and address
PRAXAIR, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CT 06810
Assignment: 11
Reel/Frame:029874/0609   Pages: 6
Recorded: 02/26/2013
Attorney Dkt #:21772-CIP3-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRINTER, NIGEL J.
Exec Dt:
05/03/2012
2
CHENG, ALAN T.
Exec Dt:
05/02/2012
3
ZHOU, YING
Exec Dt:
05/02/2012
Assignee
1
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130111931
13457879
Correspondence name and address
PRAXAIR, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CT 06810
Assignment: 12
Reel/Frame:030797/0331   Pages: 7
Recorded: 07/15/2013
Attorney Dkt #:13355-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENG, ALAN T.
Exec Dt:
06/10/2013
2
ZHOU, YING
Exec Dt:
06/12/2013
3
BELANGER, PAUL W.
Exec Dt:
06/06/2013
4
BUGAYONG, JENNIFER G.
Exec Dt:
06/06/2013
Assignee
1
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130323714
13908462
Correspondence name and address
PRAXAIR, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CT 06810
Assignment: 13
Reel/Frame:031951/0154   Pages: 4
Recorded: 01/13/2014
Attorney Dkt #:13355 -CIP1-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENG, ALAN T.
Exec Dt:
12/06/2013
2
ZHOU, YING
Exec Dt:
12/06/2013
Assignee
1
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140356852
14096609
Correspondence name and address
PRAXAIR, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CT 06810

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