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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
6381505
Issue Dt:
04/30/2002
Application #:
09266709
Filing Dt:
03/11/1999
Inventors:
DEAN E. KASSMANN, THOMAS A. BADGWELL, ROBERT B. HAWKINS
Title:
ROBUST STEADY-STATE TARGET CALCULATION FOR MODEL PREDICTIVE CONTROL
Assignment: 1
Reel/Frame:
010297/0139Recorded: 10/12/1999Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
KASSMANN, DEAN E.
Exec Dt:
09/28/1999
BADGWELL, THOMAS A.
Exec Dt:
09/28/1999
HAWKINS, ROBERT B.
Exec Dt:
09/29/1999
Assignee:
ASPEN TECHNOLOGY, INC.
TEN CANAL PARK
CAMBRIDGE, MASSACHUSETTS 02141
Correspondent:
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
MARY LOU WAKIMURA, ESQ.
TWO MILITIA DRIVE
LEXINGTON, MA 02421-4799
Assignment: 2
Reel/Frame:
028186/0094Recorded: 05/10/2012Pages: 2
Conveyance:
CONFIRMATORY LICENSE (SEE DOCUMENT FOR DETAILS).
Assignor:
RICE UNIVERSITY
Exec Dt:
04/23/2012
Assignee:
NATIONAL SCIENCE FOUNDATION
4201 WILSON BLVD
ROOM 1265
ARLINGTON, VIRGINIA 22230
Correspondent:
NATIONAL SCIENCE FOUNDATION
4201 WILSON BLVD
ROOM 1265
ARLINGTON, VA 22230
Assignment: 3
Reel/Frame:
035190/0794Recorded: 03/12/2015Pages: 6
Conveyance:
CERTIFICATE OF AMENDMENT/ADDRESS CHANGE
Assignor:
ASPEN TECHNOLOGY, INC.
Exec Dt:
11/10/2014
Assignee:
ASPEN TECHNOLOGY, INC.
20 CROSBY DRIVE
BEDFORD, MASSACHUSETTS 01730
Correspondent:
MARY LOU WAKIMURA
530 VIRGINIA ROAD, P.O. BOX 9133
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
CONCORD, MA 01742-9133
Assignment: 4
Reel/Frame:
037974/0786Recorded: 03/02/2016Pages: 13
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
ASPEN TECHNOLOGY, INC.
Exec Dt:
02/26/2016
Assignee:
JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
10 S. DEARBORN, 7TH FLOOR
CHICAGO, ILLINOIS 60603
Correspondent:
LINDA M. NYBERG, ESQ.
SIMPSON THACHER & BARTLETT LLP
2475 HANOVER STREET
PALO ALTO, CA 94304
Assignment: 5
Reel/Frame:
061006/0171Recorded: 07/29/2022Pages: 9
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
ASPEN TECHNOLOGY, INC.
Exec Dt:
05/16/2022
Assignee:
ASPENTECH CORPORATION
20 CROSBY DRIVE
BEDFORD, MASSACHUSETTS 01730
Correspondent:
MARY LOU WAKIMURA
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
530 VIRGINIA ROAD, P.O. BOX 9133
CONCORD, MA 01742-9133

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