IP Library › Assignment 022177/0547
Patent Assignment
Reel/Frame 022177/0547

Assignment of Assignor's Interest

Recorded: 2009-01-28 Pages: 4
Assignor
Assignee
FUEL TECH, INC.
27601 BELLA VISTA PARKWAY, WARRENVILLE, ILLINOIS, 60555
Covered Properties (3)
Whipstock Assembly and Method of Manufacture
Patent: 7,353,867 →
Application: 10/510,672 →
Publication: US 2006/0027359
Method and Apparatus for Adding Reducing Agent to Secondary Overfire Air Stream
Patent: 6,988,454 →
Application: 10/936,289 →
Publication: US 2005/0051067
Ultra low NOx burner replacement system
Patent: 8,689,707 →
Application: 11/441,660 →
Publication: US 2007/0272132
Related Assignments (11)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 23, 2004
From: MARX, PETER D.; PICKERING, ROBERT W.; TRIPPEL, CHARLES E.
To: ADVANCED COMBUSTION TECHNOLOGY
Reel/Frame 015165/0183 →
Assignment of Assignor's Interest Sep 7, 2005
From: CARTER, THURMAN B.; REDLINGER, THOMAS M.; BRUNNERT, DAVID J.
To: WEATHERFORD/LAMB, INC.
Reel/Frame 016502/0494 →
Assignment of Assignor's Interest Feb 18, 2009
From: MARX, PETER D.; PICKERING, ROBERT W.; TRIPPEL, CHARLES E.
To: FUEL TECH, INC.
Reel/Frame 022276/0635 →
Assignment of Assignor's Interest Dec 4, 2014
From: WEATHERFORD/LAMB, INC.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 034526/0272 →
Security Interest Dec 18, 2019
From: WEATHERFORD TECHNOLOGY HOLDINGS LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY INC.
To: WELLS FARGO BANK NATIONAL ASSOCIATION AS AGENT
Reel/Frame 051891/0089 →
Security Interest Dec 26, 2019
From: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.
To: DEUTSCHE BANK TRUST COMPANY AMERICAS, AS ADMINISTRATIVE AGENT
Reel/Frame 051419/0140 →
Security Interest Aug 28, 2020
From: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 054288/0302 →
Release of Security Interest Aug 28, 2020
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.
Reel/Frame 053838/0323 →
Security Interest Oct 1, 2021
From: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 057683/0706 →
Release of Security Interest Oct 1, 2021
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC; WEATHERFORD NETHERLANDS B.V.; WEATHERFORD NORGE AS; HIGH PRESSURE INTEGRITY, INC.
Reel/Frame 057683/0423 →
Patent Security Interest Assignment Agreement Apr 26, 2023
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 063470/0629 →