Patent Assignment
Reel/Frame 015642/0723
Assignment of Assignor's Interest
Recorded: 2005-02-04
Pages: 2
Assignors
LONGSWORTH, RALPH C
Executed: 1995-09-12
BOIARSKY, MIKHAIL J
Executed: 1995-09-12
KHATRI, AJAY
Executed: 1995-09-12
Assignee
APD CRYOGENICS INC.
1833 VULTEE STREET, ALLENTOWN, PENNSYLVANIA, 18103
Covered Property
(1)
Cryostat Refrigeration System Using Mixed Refrigerants in a Closed Vapor Compression Cycle Having a Fixed Flow Restrictor
Patent:
5,579,654 →
Application:
08/496,468 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 12, 2002
From: IGC-APD CRYOGENICS, INC.
To: IGC-POLYCOLD SYSTEMS, INC.
Reel/Frame 012653/0357 →
Change of Name
Nov 30, 2004
From: APD CRYOGENICS INC.
To: IGC-APD CRYOGENICS INC.
Reel/Frame 015400/0194 →
Change of Name
Mar 8, 2005
From: IGC POLYCOLD SYSTEMS INC.
To: HELIX POLYCOLD SYSTEMS INC.
Reel/Frame 015851/0156 →
Assignment of Assignor's Interest
Apr 29, 2005
From: HELIX POLYCOLD SYSTEMS INC.
To: HELIX TECHNOLOGY CORPORATION
Reel/Frame 016182/0209 →
Assignment of Assignor's Interest
Jan 27, 2006
From: HELIX TECHNOLOGY CORPORATION
To: BROOKS AUTOMATION, INC.
Reel/Frame 017176/0706 →