skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : TUO, HANFEI
Total Assignments: 11
Assignment: 1
Reel/Frame:037103/0012   Pages: 5
Recorded: 11/20/2015
Attorney Dkt #:13491-US-CIP1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TUO, HANFEI
Exec Dt:
11/20/2015
2
KIBLER, KARL K.
Exec Dt:
11/20/2015
3
SHELAT, MAULIK R.
Exec Dt:
11/20/2015
Assignee
1
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9366476
US20160076809
14947466
Correspondence name and address
PRAXAIR, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CT 06810
Assignment: 2
Reel/Frame:038567/0628   Pages: 5
Recorded: 05/12/2016
Attorney Dkt #:13491-US-CIP1-D1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TUO, HANFEI
Exec Dt:
11/20/2015
2
KIBLER, KARL K.
Exec Dt:
11/20/2015
3
SHELAT, MAULIK R.
Exec Dt:
11/20/2015
Assignee
1
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9488407
US20160258677
15153124
Correspondence name and address
PRAXAIR, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CT 06810
Assignment: 3
Reel/Frame:038568/0031   Pages: 5
Recorded: 05/12/2016
Attorney Dkt #:13491-US-CIP1-D2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TUO, HANFEI
Exec Dt:
11/20/2015
2
KIBLER, KARL K.
Exec Dt:
11/20/2015
3
SHELAT, MAULIK R.
Exec Dt:
11/20/2015
Assignee
1
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9664442
US20160258678
15153179
Correspondence name and address
PRAXAIR, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CT 06810
Assignment: 4
Reel/Frame:043488/0293   Pages: 7
Recorded: 09/05/2017
Attorney Dkt #:13706-US-R1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHELAT, MAULIK R.
Exec Dt:
08/24/2017
2
TUO, HANFEI
Exec Dt:
08/24/2017
3
DEGENSTEIN, NICK J.
Exec Dt:
08/24/2017
4
DRAY, JAMES R.
Exec Dt:
08/28/2017
Assignee
1
PRAXAIR TECHNOLOGY, INC.
10 RIVERVIEW DRIVE
DANBURY, CONNECTICUT 06810-5113
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10408536
US20190072325
15695320
Correspondence name and address
PRAXAIR, INC. LAW DEPARTMENT
10 RIVERVIEW DRIVE
DANBURY, CT 06810-5113
Assignment: 5
Reel/Frame:043488/0707   Pages: 8
Recorded: 09/05/2017
Attorney Dkt #:13706-US-R2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAKRAVARTHY, VIJAYARAGHAVAN S.
Exec Dt:
08/25/2017
2
TUO, HANFEI
Exec Dt:
08/24/2017
3
SHELAT, MAULIK R.
Exec Dt:
08/24/2017
4
DRAY, JAMES R.
Exec Dt:
08/28/2017
5
DEGENSTEIN, NICK J.
Exec Dt:
08/24/2017
Assignee
1
PRAXAIR TECHNOLOGY, INC.
10 RIVERVIEW DRIVE
DANBURY, CONNECTICUT 06810-5113
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10295254
US20190072326
15695381
Correspondence name and address
PRAXAIR, INC. LAW DEPARTMENT
10 RIVERVIEW DRIVE
DANBURY, CT 06810-5113
Assignment: 6
Reel/Frame:046813/0288   Pages: 7
Recorded: 09/07/2018
Attorney Dkt #:14114-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XU, ZHENGRONG
Exec Dt:
09/06/2018
2
SHELAT, MAULIK R.
Exec Dt:
09/06/2018
3
DEGENSTEIN, NICK J.
Exec Dt:
09/05/2018
4
TUO, HANFEI
Exec Dt:
09/06/2018
Assignee
1
PRAXAIR TECHNOLOGY, INC.
10 RIVERVIEW DRIVE
DANBURY, CONNECTICUT 06810-5113
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200080773
16124636
Correspondence name and address
PRAXAIR, INC. LAW DEPARTMENT
10 RIVERVIEW DRIVE
DANBURY, CT 06810-5113
Assignment: 7
Reel/Frame:057994/0708   Pages: 8
Recorded: 11/02/2021
Attorney Dkt #:14716-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIANG, CHAO
Exec Dt:
06/29/2021
2
POTRATZ, SETH A.
Exec Dt:
06/03/2021
3
ROSEN, LEE J.
Exec Dt:
06/28/2021
4
TUO, HANFEI
Exec Dt:
06/12/2021
5
MA, RUI
Exec Dt:
05/31/2021
Assignee
1
PRAXAIR TECHNOLOGY, INC.
10 RIVERVIEW DRIVE
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11953159
US20220290813
17517031
Correspondence name and address
LINDE INC.
10 RIVERVIEW DRIVE
DANBURY, CT 06810
Assignment: 8
Reel/Frame:057995/0504   Pages: 8
Recorded: 11/02/2021
Attorney Dkt #:P20D016-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIANG, CHAO
Exec Dt:
06/29/2021
2
ROSEN, LEE J.
Exec Dt:
06/28/2021
3
POTRATZ, SETH A.
Exec Dt:
06/03/2021
4
TUO, HANFEI
Exec Dt:
06/12/2021
5
RANJAN, RAKESH
Exec Dt:
05/27/2021
Assignee
1
PRAXAIR TECHNOLOGY, INC.
10 RIVERVIEW DRIVE
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11976789
US20220290816
17517110
Correspondence name and address
LINDE INC.
10 RIVERVIEW DRIVE
DANBURY, CT 06810
Assignment: 9
Reel/Frame:057994/0881   Pages: 8
Recorded: 11/02/2021
Attorney Dkt #:14369-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TUO, HANFEI
Exec Dt:
06/25/2021
2
LIANG, CHAO
Exec Dt:
06/02/2021
3
SHELAT, MAULIK R.
Exec Dt:
06/03/2021
4
KWARK, SANG MUK
Exec Dt:
06/15/2021
5
POTRATZ, SETH A.
Exec Dt:
06/03/2021
Assignee
1
PRAXAIR TECHNOLOGY, INC.
10 RIVERVIEW DRIVE
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220290815
17516984
Correspondence name and address
LINDE INC.
10 RIVERVIEW DRIVE
DANBURY, CT 06810
Assignment: 10
Reel/Frame:057309/0691   Pages: 4
Recorded: 08/27/2021
Attorney Dkt #:14788-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TUO, HANFEI
Exec Dt:
08/19/2021
2
XU, ZHENGRONG
Exec Dt:
04/14/2021
Assignee
1
PRAXAIR TECHNOLOGY, INC.
10 RIVERVIEW DRIVE
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11674750
US20210381763
17234080
Correspondence name and address
LINDE INC.
10 RIVERVIEW DRIVE
DANBURY, CT 06810
Assignment: 11
Reel/Frame:063316/0518   Pages: 4
Recorded: 04/13/2023
Attorney Dkt #:14788-US-CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TUO, HANFEI
Exec Dt:
08/19/2021
2
XU, ZHENGRONG
Exec Dt:
04/14/2021
Assignee
1
PRAXAIR TECHNOLOGY, INC.
10 RIVERVIEW DRIVE
DANBURY, CONNECTICUT 06810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11933540
US20230251033
18300033
Correspondence name and address
LINDE INC.
10 RIVERVIEW DR
DANBURY, CT 06810-6268

Search Results as of: 06/04/2024 07:53 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT