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Patent Assignment Details
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Reel/Frame:015851/0156   Pages: 5
Recorded: 03/08/2005
Attorney Dkt #:0100.0259-001
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Total properties: 22
1
Patent #:
5337572
Issue Dt:
08/16/1994
Application #:
08057708
Filing Dt:
05/04/1993
Title:
CRYOGENIC REFRIGERATOR WITH SINGLE STAGE COMPRESSOR
2
Patent #:
5441658
Issue Dt:
08/15/1995
Application #:
08149203
Filing Dt:
11/09/1993
Title:
CRYOGENIC MIXED GAS REFRIGERANT FOR OPERATION WITHIN TEMPERATURE RANGES OF 80K-100K
3
Patent #:
5628195
Issue Dt:
05/13/1997
Application #:
08396528
Filing Dt:
03/01/1995
Title:
VIBRATIONALLY ISOLATED THERMAL SYSTEM FOR A CRYOGENICALLY COOLED DEVICE
4
Patent #:
5579654
Issue Dt:
12/03/1996
Application #:
08496468
Filing Dt:
06/29/1995
Title:
CRYOSTAT REFRIGERATION SYSTEM USING MIXED REFRIGERANTS IN A CLOSED VAPOR COMPRESSION CYCLE HAVING A FIXED FLOW RESTRICTOR
5
Patent #:
5595065
Issue Dt:
01/21/1997
Application #:
08499257
Filing Dt:
07/07/1995
Title:
CLOSED CYCLE CRYOGENIC REFRIGERATION SYSTEM WITH AUTOMATIC VARIABLE FLOW AREA THROTTLING DEVICE
6
Patent #:
5586437
Issue Dt:
12/24/1996
Application #:
08524400
Filing Dt:
09/06/1995
Title:
MRI CRYOSTAT COOLED BY OPEN AND CLOSED CYCLE REFRIGERATION SYSTEMS
7
Patent #:
5706663
Issue Dt:
01/13/1998
Application #:
08560719
Filing Dt:
11/20/1995
Title:
HIGH EFFICIENCY THROTTLE CRYOGENIC REFRIGERATOR BASED ON ONE STAGE COMPRESSOR
8
Patent #:
5687574
Issue Dt:
11/18/1997
Application #:
08615131
Filing Dt:
03/14/1996
Title:
THROTTLE CYCLE CRYOPUMPING SYSTEM FOR GROUP I GASES
9
Patent #:
5729993
Issue Dt:
03/24/1998
Application #:
08633150
Filing Dt:
04/16/1996
Title:
PRECOOLED VAPOR-LIQUID REFRIGERATION CYCLE
10
Patent #:
5875651
Issue Dt:
03/02/1999
Application #:
08874122
Filing Dt:
06/12/1997
Title:
LOW VIBRATION THROTTLING DEVICE FOR THROTTLE-CYCLE REFRIGERATORS
11
Patent #:
6021845
Issue Dt:
02/08/2000
Application #:
09052605
Filing Dt:
03/31/1998
Title:
WIDE TEMPERATURE RANGE HEATING/COOLING INTERFACE WITH RAPID RESPONSE
12
Patent #:
6481223
Issue Dt:
11/19/2002
Application #:
09728501
Filing Dt:
11/30/2000
Publication #:
US20010042379
Pub Dt:
11/22/2001
Title:
REFRIGERANT BLEND FREE OF R-22 FOR USE IN ULTRALOW TEMPERATURE REFRIGERATION
13
Patent #:
6574978
Issue Dt:
06/10/2003
Application #:
09870385
Filing Dt:
05/30/2001
Publication #:
US20020017106
Pub Dt:
02/14/2002
Title:
VERY LOW TEMPERATURE REFRIGERATION SYSTEM WITH CONTROLLED COOL DOWN AND WARM UP RATES AND LONG TERM HEATING CAPABILITIES
14
Patent #:
6474082
Issue Dt:
11/05/2002
Application #:
09886936
Filing Dt:
06/21/2001
Publication #:
US20020011073
Pub Dt:
01/31/2002
Title:
VERY LOW TEMPERATURE FLOW SWITCH APPARATUS
15
Patent #:
6560981
Issue Dt:
05/13/2003
Application #:
09894964
Filing Dt:
06/28/2001
Publication #:
US20020035841
Pub Dt:
03/28/2002
Title:
MIXED REFRIGERANT TEMPERATURE CONTROL USING A PRESSURE REGULATING VALVE
16
Patent #:
6502410
Issue Dt:
01/07/2003
Application #:
09894968
Filing Dt:
06/28/2001
Publication #:
US20020040584
Pub Dt:
04/11/2002
Title:
NONFLAMMABLE MIXED REFRIGERANTS (MR) FOR USE WITH VERY LOW TEMPERATURE THROTTLE-CYCLE REFRIGERATION SYSTEMS
17
Patent #:
6626567
Issue Dt:
09/30/2003
Application #:
09904171
Filing Dt:
07/12/2001
Publication #:
US20020018509
Pub Dt:
02/14/2002
Title:
COOLING SYSTEM FOR THERMAL ANALYSIS
18
Patent #:
7059144
Issue Dt:
06/13/2006
Application #:
10281881
Filing Dt:
10/28/2002
Publication #:
US20030115893
Pub Dt:
06/26/2003
Title:
METHODS OF FREEZEOUT PREVENTION FOR VERY LOW TEMPERATURE MIXED REFRIGERANT SYSTEMS
19
Patent #:
6722145
Issue Dt:
04/20/2004
Application #:
10316176
Filing Dt:
12/10/2002
Publication #:
US20030115894
Pub Dt:
06/26/2003
Title:
HIGH EFFICIENCY VERY-LOW TEMPERATURE MIXED REFRIGERANT SYSTEM WITH RAPID COOL DOWN
20
Patent #:
6886361
Issue Dt:
05/03/2005
Application #:
10412750
Filing Dt:
04/11/2003
Publication #:
US20030217565
Pub Dt:
11/27/2003
Title:
LIQUID CHILLER EVAPORATOR
21
Patent #:
6843065
Issue Dt:
01/18/2005
Application #:
10425001
Filing Dt:
04/28/2003
Publication #:
US20040020221
Pub Dt:
02/05/2004
Title:
VERY LOW TEMPERATURE REFRIGERATION SYSTEM WITH CONTROLLED COOL DOWN AND WARM UP RATES AND LONG TERM HEATING CAPABILITIES
22
Patent #:
7111467
Issue Dt:
09/26/2006
Application #:
10470123
Filing Dt:
02/09/2004
Publication #:
US20040129015
Pub Dt:
07/08/2004
Title:
ULTRA-LOW TEMPERATURE CLOSED-LOOP RECIRCULATING GAS CHILLING SYSTEM
Assignor
1
IGC POLYCOLD SYSTEMS INC.
Exec Dt:
02/15/2005
Assignee
1
HELIX POLYCOLD SYSTEMS INC.
3800 LAKEVILLE HIGHWAY
PETALUMA, CALIFORNIA 94954
Correspondence name and address
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
JAMES M. SMITH, ESQ.
530 VIRGINIA ROAD
P.O. BOX 9133
CONCORD, MA 01742-9133

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