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Patent Assignment Abstract of Title
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Total Assignments: 16
Patent #:
4438783
Issue Dt:
03/27/1984
Application #:
06366981
Filing Dt:
04/09/1982
Inventors:
WILFRIED DREYFUSS, THOMAS E. REMP JR., KURT MULLER
Title:
PROTECTIVE DEVICE FOR PIPES
Assignment: 1
Reel/Frame:
004007/0571Recorded: 06/28/1982Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
MULLER, KURT
Exec Dt:
04/19/1982
Assignee:
DREYFUSS,WILFRIED , DORFSTR, 52, D-3111 EIMKE, GERMANY
GERMANY
Correspondent:
ALLEGRETTI, NEWITT, WITCOFF & MCANDREWS
125 S. WACKER DRIVE,
CHICAGO, IL 60606
Assignment: 2
Reel/Frame:
005091/0408Recorded: 03/27/1989Pages: 13
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
DRILLTEC PATENTS & TECHNOLOGIES COMPANY INC.
Exec Dt:
03/15/1989
Assignee:
BANKERS TRUST COMPANY
Correspondent:
ALLEGRETTI, NEWITT, WITCOFF & MCANDREWS
125 S. WACKER DRIVE,
CHICAGO, IL 60606
Assignment: 3
Reel/Frame:
006617/0253Recorded: 07/19/1993Pages: 16
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC. A CORP. OF TEXAS
Exec Dt:
03/15/1989
Assignee:
FIRST NATIONAL BANK OF BOSTON, THE A NATIONAL BANKING ASSOCIATION
100 FEDERAL STREET
BOSTON, MASSACHUSETTS 02110
Correspondent:
BINGHAM, DANA & GOULD
ALAN W. BELOFF, ESQ.
150 FEDERAL STREET
BOSTON, MASSACHUSETTS 02110
Assignment: 4
Reel/Frame:
005126/0513Recorded: 05/30/1989Pages: 13
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
R & D TECHNOLOGY GMBH, THOMAS EDWARD REMP
Exec Dt:
03/16/1989
DREYFUSS, WILFRIED
Exec Dt:
03/16/1989
Assignee:
DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC., A CORP. OF TX
10875 KEMPWOOD DR.
STE. 2
HOUSTON, TEXAS 77043
Correspondent:
ALLEGRETTI, NEWITT, WITCOFF & MCANDREWS
125 S. WACKER DRIVE,
CHICAGO, IL 60606
Assignment: 5
Reel/Frame:
006032/0203Recorded: 02/27/1992Pages: 23
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
Exec Dt:
02/21/1992
Assignee:
CHEMICAL VENTURE CAPITAL ASSOCIATES
A CALIFORNIA LIMITE PARTNERSHIP
Correspondent:
JACKSON & WALKER, L.L.P.
WILLIAM C. NORVELL, JR.
1100 LOUISIANA, SUITE 4200
P.O. BOX 4771
HOUSTON, TX 77210-4771
Assignment: 6
Reel/Frame:
006430/0345Recorded: 02/25/1993Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
DREYFUSS, WILFRIED
Exec Dt:
02/17/1993
REMP, THOMAS E. JR.
Exec Dt:
02/17/1993
Assignee:
DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
10875 KEMPWOOD DRIVE
HOUSTON, TEXAS 77043
Correspondent:
GEORGE B. NEWITT
ALLEGRETTI & WITCOFF, LTD.
TEN SOUTH WACKER DRIVE
CHICAGO, IL 60606
Assignment: 7
Reel/Frame:
007205/0340Recorded: 11/17/1994Pages: 5
Conveyance:
RELEASE OF SECURITY INTERESTS & LIENS
Assignor:
CHEMICAL VENTURE CAPITAL ASSOCIATES A CALIFORNIA LIMITED PARTNERSHIP
Exec Dt:
11/17/1994
Assignee:
DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
10875 KEMPWOOD DRIVE, SUITE 2 HOUSTON, TX 77043
HOUSTON, TEXAS
Correspondent:
WINSTEAD SECHREST & MINICK
PHILIP T. GOLDEN
910 TRAVIS STREET, SUITE 1700
HOUSTON, TX 77002
Assignment: 8
Reel/Frame:
008723/0183Recorded: 10/30/1997Pages: 12
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
Exec Dt:
07/31/1997
DRILLTEC TECHNOLOGIES, INC.
Exec Dt:
07/31/1997
DRILLTEC INTERNATIONAL LIMITED
Exec Dt:
07/31/1997
DRILLTEC INDONESIA, INC.
Exec Dt:
07/31/1997
Assignee:
HELLER FINANCIAL, INC.
500 WEST MONROE STREET
CHICAGO, ILLINOIS 60661
Correspondent:
WINSTEAD SECHREST & MINICK P.C.
PHILIP T. GOLDEN
910 TRAVIS STREET, SUITE 1700
HOUSTON, TX 77002-5895
Assignment: 9
Reel/Frame:
009187/0520Recorded: 05/27/1998Pages: 6
Conveyance:
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS
Assignor:
BANKBOSTON, N.A., BY CHANGE OF NAME FROM FIRST NATIONAL BANK OF BOSTON
Exec Dt:
07/31/1997
Assignee:
DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
10875 KEMPWOOD DRIVE
HOUSTON, TEXAS 77043
Correspondent:
WINSTEAD SECHREST & MINICK P.C.
JAMES J. MURPHY
12001 ELM STREET, SUITE 5400
DALLAS, TX 75270
Assignment: 10
Reel/Frame:
009414/0400Recorded: 09/03/1998Pages: 9
Conveyance:
SECURITY AGREEMENT
Assignor:
DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
Exec Dt:
08/18/1998
Assignee:
FIRST SOURCE FINANCIAL LLP
2850 W. GOLF ROAD - 5TH FLOOR
ROLLING, ILLINOIS 60008
Correspondent:
FEDERAL RESEARCH CORP.
NANCY A. BUTLER
400 SEVENTH ST., N.W., SUITE 101
WASHINGTON, D.C. 20004
Assignment: 11
Reel/Frame:
009445/0819Recorded: 09/14/1998Pages: 13
Conveyance:
SECURITY AGREEMENT
Assignor:
DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
Exec Dt:
08/18/1998
Assignee:
ALLIED CAPITAL CORPORATION
1666 K STREET, N.W.
WASHINGTON, DISTRICT OF COLUMBIA 20006
Correspondent:
FEDERAL RESEARCH CORP.
NANCY A. BUTLER
400 SEVENTH STREET, N.W.
SUITE 101
WASHINGTON, D.C 2004
Assignment: 12
Reel/Frame:
011523/0614Recorded: 02/15/2001Pages: 13
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC.
Exec Dt:
11/15/2000
Assignees:
ALLIED CAPITAL CORPORATION
3RD FLOOR
1919 PENNSYLVANIA AVENUE
WASHINGTON, DISTRICT OF COLUMBIA 20006
EQUUS II INCORPORATED
SUITE 2500
2929 ALLEN PARKWAY
HOUSTON, TEXAS 77019
Correspondent:
DICKSTEIN SHAPIRO MORIN & OSHINSKY LLP
WILLIAM E. POWELL, III
2101 L STREET NW
WASHINGTON, DC 20037-1526
Assignment: 13
Reel/Frame:
012302/0528Recorded: 11/13/2001Pages: 23
Conveyance:
AMENDMENT & ASSIGNMENT OF AGREEMENT
Assignor:
FIRST SOURCE FINANCIAL LLP
Exec Dt:
08/25/2001
Assignee:
FIRST SOURCE FINANCIAL, INC.
2850 WEST GOLF ROAD, FIFTH FLOOR
ROLLING MEADOWS, ILLINOIS 60008
Correspondent:
REEDFAX
REBECCA L. FOLEY
CRYSTAL PLAZA ONE
SUITE 1207, 2001 JEFFERSON DAVIS HWY.
ARLINGTON, VIRGINIA 22202
Assignment: 14
Reel/Frame:
013343/0518Recorded: 10/01/2002Pages: 15
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
DRILLTEC PATENT & TECHNOLOGIES COMPANY, INC.
Exec Dt:
06/20/2002
Assignee:
ALLIED CAPITAL CORPORATION
1919 PENNSYLVANIA AVENUE
3RD FLOOR
WASHINGTON, DISTRICT OF COLUMBIA 20006
Correspondent:
DICKSTEIN SHAPIRO MORIN, ET AL.
WILLIAM E. POWELL, III
2101 L STREET NW
WASHINGTON, DC 20037-1526
Assignment: 15
Reel/Frame:
013097/0833Recorded: 07/18/2002Pages: 14
Conveyance:
RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignors:
HELLER FINANCIAL, INC.
Exec Dt:
07/15/2002
DRILLTEC TECHNOLOGIES, INC.
Exec Dt:
07/15/2002
DRILLTEC INTERNATIONAL LIMITED
Exec Dt:
07/15/2002
DRILLTEC INDONESIA, INC.
Exec Dt:
07/15/2002
Assignee:
PETER J. HUDSON, CFO
10875 KEMPWOOD/ SUITE 2
DRILLTEC PATENTS & TECHNOLOGIES, INC.
HOUSTON, TEXAS 77043
Correspondent:
DRILLTEC PATENTS & TECHNOLOGIES, INC.
PETER J. HUDSON, CFO
10875 KEMPWOOD
SUITE 2
HOUSTON, TX 77043
Assignment: 16
Reel/Frame:
013645/0661Recorded: 06/28/2002Pages: 17
Conveyance:
RELEASE OF LIEN ON PATENTS
Assignor:
HELLER FINANCIAL, INC.
Exec Dt:
12/19/2002
Assignee:
DRILLTEC PATENTS & TECHNOLOGIES,
10875 KEMPWOOD / SUITE 2
HOUSTON, TEXAS 77043
Correspondent:
HELLER FINANCIAL, INC.
ATTN: MARGE GOURLEY
500 WEST MONROE STREET
CHICAGO, IL 60661

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