IP Library › Assignment 033841/0734
Patent Assignment
Reel/Frame 033841/0734

Security Interest

Recorded: 2014-09-29 Pages: 7
Assignors
MFRI, INC.
Executed: 2014-09-24
MIDWESCO FILTER RESOURCES, INC.
Executed: 2014-09-24
PERMA-PIPE, INC.
Executed: 2014-09-24
TC NILES CORPORATION
Executed: 2014-09-24
TDC FILTER MANUFACTURING, INC.
Executed: 2014-09-24
MM NILES CORPORATION
Executed: 2014-09-24
PERMA-PIPE CANADA, INC.
Executed: 2014-09-24
Assignee
BMO HARRIS BANK N.A.
111 WEST MONROE, CHICAGO, ILLINOIS, 60603
Covered Properties (5)
Method and System for Cast Molding a Fluid Conduit
Patent: 7,824,595 →
Application: 11/137,626 →
Publication: US 2006/0032588
Sensor for Detecting Hydrocarbons
Patent: 7,525,444 →
Application: 11/357,907 →
Publication: US 2007/0193342
Sensor for Detecting Hydrocarbons
Patent: 8,049,638 →
Application: 12/279,698 →
Publication: US 2011/0041588
Pre-Insulated Piping System
Application: 13/523,440 →
Publication: US 2013/0186504
Insulated and Heat Traced Pipe Assembly End Sealing Process
Application: 62/036,352 →
Related Assignments (11)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 14, 2005
From: APPLEBY, ROBERT; PFANNER, GLEN; ERVIN, BILLY
To: PERMA-PIPE, INC.
Reel/Frame 016333/0009 →
Assignment of Assignor's Interest Apr 10, 2006
From: BAILEY, DOUGLAS S.; KUBICEK, STEVEN
To: PERMA-PIPE, INC.
Reel/Frame 017447/0531 →
Assignment of Assignor's Interest Aug 19, 2009
From: BAILEY, DOUGLAS S.; KUBICEK, STEVEN
To: PERMA-PIPE, INC.
Reel/Frame 023115/0953 →
Assignment of Assignor's Interest Aug 22, 2012
From: MAFFEI, ROBERT A.
To: PERMA-PIPE, INC.
Reel/Frame 028830/0882 →
Assignment of Assignor's Interest Nov 12, 2014
From: GIDWANI, AVIN CHANDRU; RAJ, NIXON ALEX
To: PERMA-PIPE, INC.
Reel/Frame 034418/0141 →
Security Interest Sep 20, 2018
From: PERMA-PIPE CANADA LTD.; PERMA-PIPE CANADA, INC.; PERMA-PIPE INTERNATIONAL HOLDINGS, INC.; PERMA-PIPE, INC.
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 046930/0839 →
Release of Security Interest Sep 28, 2018
From: BANK OF MONTREAL, AS SUCCESSOR TO BMO HARRIS BANK N.A.
To: PERMA-PIPE, INC.
Reel/Frame 047004/0366 →
Security Interest Apr 8, 2026
From: PERMA-PIPE, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 074315/0825 →
Release of Security Interest Apr 13, 2026
From: PNC BANK, NATIONAL ASSOCIATION
To: PERMA-PIPE, INC.; PERMA-PIPE CANADA, INC.; PERMA-PIPE INTERNATIONAL HOLDINGS, INC.
Reel/Frame 074346/0003 →
Release of Security Interest Aug 26, 2026
From: JPMORGAN CHASE BANK, N.A.
To: PERMA-PIPE, INC.
Reel/Frame 075781/0052 →
Security Interest Aug 26, 2026
From: PERMA-PIPE, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 075783/0380 →