U.S. PATENT AND TRADEMARK OFFICE
Information Products Division
Technology Assessment and Forecast (TAF) Branch

Patenting In Metropolitan and Non-Metropolitan Areas of the United States
Breakout By Organization
1995 - 1999 Utility Patent Grants

[Explanation of Data]

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Originating From

Houston, TX PMSA

(patent origin is determined by the residence of the first-named inventor)
(ownership is determined by the first-named patent assignee)

-----------------------------------------------------------------------------------
~Individually Owned Patent

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 250 249 241 328 348 1,416

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COMPAQ COMPUTER CORPORATION, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 79 81 111 188 203 661

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SHELL OIL COMPANY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 116 89 75 66 56 402

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TEXAS INSTRUMENTS, INCORPORATED

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 55 66 64 59 49 292

-----------------------------------------------------------------------------------
BAKER HUGHES INCORPORATED

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 42 43 41 45 46 218

-----------------------------------------------------------------------------------
EXXON CHEMICALS PATENTS INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 44 36 34 32 35 180

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WESTERN ATLAS INTERNATIONAL, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 22 42 34 35 34 166

-----------------------------------------------------------------------------------
SCHLUMBERGER TECHNOLOGY CORPORATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 19 13 16 13 40 102

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TEXACO INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 36 16 13 12 10 87

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UNIVERSITY OF TEXAS

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 19 11 17 18 20 85

-----------------------------------------------------------------------------------
BAYLOR COLLEGE OF MEDICINE

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 4 14 15 23 17 73

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ADVANCED MICRO DEVICES, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 0 4 17 49 70

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EXXON PRODUCTION RESEARCH COMPANY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 13 15 10 10 19 67

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SMITH INTERNATIONAL INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 9 12 8 15 14 59

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DOW CHEMICAL COMPANY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 12 11 9 7 9 50

-----------------------------------------------------------------------------------
FINA TECHNOLOGY, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 10 6 5 13 14 48

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BETZDEARBORN INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 23 11 12 46

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FMC CORPORATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 2 3 4 18 18 45

-----------------------------------------------------------------------------------
CAMCO INTERNATIONAL INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 11 8 3 6 14 44

-----------------------------------------------------------------------------------
HALLIBURTON CO.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 13 17 11 0 0 41

-----------------------------------------------------------------------------------
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 9 4 10 9 7 39

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NALCO/EXXON ENERGY CHEMICALS, L.P

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 3 11 11 11 36

-----------------------------------------------------------------------------------
BETZ LABORATORIES INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 20 14 1 0 0 35

-----------------------------------------------------------------------------------
HALLIBURTON ENERGY SERVICES

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 2 0 6 12 13 33

-----------------------------------------------------------------------------------
M. W. KELLOGG COMPANY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 6 6 4 6 9 31

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ABB VETCOGRAY INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 6 5 3 4 10 28

-----------------------------------------------------------------------------------
NALCO CHEMICAL COMPANY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 17 7 1 2 1 28

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BJ SERVICES CO

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 3 5 2 7 7 24

-----------------------------------------------------------------------------------
HYDRIL COMPANY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 6 3 7 4 3 23

-----------------------------------------------------------------------------------
CATALYTIC DISTILLATION TECHNOLOGIES

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 10 11 21

-----------------------------------------------------------------------------------
TANOX BIOSYSTEMS, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 4 3 5 6 3 21

-----------------------------------------------------------------------------------
CHEMICAL RESEARCH AND LICENSING COMPANY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 7 3 7 3 0 21

-----------------------------------------------------------------------------------
WEATHERFORD/LAMB, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 1 12 7 20

-----------------------------------------------------------------------------------
DRESSER INDUSTRIES, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 3 2 3 3 9 20

-----------------------------------------------------------------------------------
BAROID TECHNOLOGY, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 6 4 2 1 6 19

-----------------------------------------------------------------------------------
UNIVERSITY OF HOUSTON, CENTRAL CAMPUS

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 6 4 3 3 2 18

-----------------------------------------------------------------------------------
CHEVRON CHEMICAL COMPANY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 5 3 2 3 5 18

-----------------------------------------------------------------------------------
ENERGY BIOSYSTEMS CORPORATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 2 4 1 6 5 18

-----------------------------------------------------------------------------------
GAS RESEARCH INSTITUTE

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 5 6 4 3 18

-----------------------------------------------------------------------------------
RESEARCH DEVELOPMENT FOUNDATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 1 5 2 7 16

-----------------------------------------------------------------------------------
E-STAMP CORPORATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 4 10 2 16

-----------------------------------------------------------------------------------
BMC SOFTWARE, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 5 2 1 2 5 15

-----------------------------------------------------------------------------------
COOPER CAMERON CORPORATION, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 4 3 3 5 15

-----------------------------------------------------------------------------------
PHILLIPS PETROLEUM COMPANY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 7 2 2 0 3 14

-----------------------------------------------------------------------------------
CCS, LLC

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 4 6 3 0 13

-----------------------------------------------------------------------------------
INTERMEDICS, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 4 2 5 0 1 12

-----------------------------------------------------------------------------------
PENNZOIL PRODUCTS COMPANY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 3 2 2 3 2 12

-----------------------------------------------------------------------------------
TIW CORPORATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 2 4 5 0 12

-----------------------------------------------------------------------------------
UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY CORPORATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 1 2 7 11

-----------------------------------------------------------------------------------
DENNIS TOOL COMPANY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 4 5 1 1 0 11

-----------------------------------------------------------------------------------
MARATHON OIL COMPANY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 2 2 3 2 2 11

-----------------------------------------------------------------------------------
E. I. DU PONT DE NEMOURS AND COMPANY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 5 1 2 2 2 11

-----------------------------------------------------------------------------------
PGI INTERNATIONAL, LTD.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 5 1 4 1 11

-----------------------------------------------------------------------------------
TEXAS UNITED CHEMICAL COMPANY, LLC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 4 5 1 11

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PES, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 3 5 2 10

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KEYSTONE INTERNATIONAL HOLDINGS CORP.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 2 3 1 4 0 10

-----------------------------------------------------------------------------------
APROGENEX, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 3 3 2 2 10

-----------------------------------------------------------------------------------
STONE + WEBSTER ENGINEERING CORPORATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 1 1 4 3 10

-----------------------------------------------------------------------------------
AMOCO CORPORATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 4 1 4 0 9

-----------------------------------------------------------------------------------
HOUSTON INDUSTRIES, INCORPORATED

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 4 1 1 2 9

-----------------------------------------------------------------------------------
NATIONAL COUPLING COMPANY, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 2 0 1 3 3 9

-----------------------------------------------------------------------------------
ZONAGEN, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 2 7 9

-----------------------------------------------------------------------------------
DOWELL, A DIVISION OF SCHLUMBERGER TECHNOLOGY CORPORATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 3 3 2 0 9

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WEATHERFORD U.S., INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 3 2 2 1 0 9

-----------------------------------------------------------------------------------
PANEX CORPORATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 6 2 0 1 0 9

-----------------------------------------------------------------------------------
EXXON RESEARCH + ENGINEERING CO.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 3 2 1 2 0 8

-----------------------------------------------------------------------------------
SULZER INTERMEDICS, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 1 4 3 8

-----------------------------------------------------------------------------------
SONSUB, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 3 4 0 1 0 8

-----------------------------------------------------------------------------------
WELKER ENGINEERING COMPANY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 2 0 2 3 8

-----------------------------------------------------------------------------------
CHAMPION TECHNOLOGIES, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 2 2 2 2 8

-----------------------------------------------------------------------------------
VARCO SHAFFER, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 3 1 1 2 8

-----------------------------------------------------------------------------------
BUTTERWORTH JETTING SYSTEMS, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 2 2 0 2 2 8

-----------------------------------------------------------------------------------
DRIL-QUIP, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 2 1 3 0 2 8

-----------------------------------------------------------------------------------
SANDVIK AKTIEBOLAG

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 1 1 1 3 8

-----------------------------------------------------------------------------------
HUDSON PRODUCTS CORPORATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 2 2 2 1 8

-----------------------------------------------------------------------------------
INPUT/OUTPUT, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 3 5 8

-----------------------------------------------------------------------------------
KVM TECHNOLOGIES, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 3 2 1 1 1 8

-----------------------------------------------------------------------------------
WILLIAM MARSH RICE UNIVERSITY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 4 2 1 1 8

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AMERICAN BIOMED, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 3 0 2 2 0 7

-----------------------------------------------------------------------------------
HOUSTON ADVANCED RESEARCH CENTER

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 1 3 2 0 7

-----------------------------------------------------------------------------------
TETRA TECHNOLOGIES, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 0 1 0 5 7

-----------------------------------------------------------------------------------
ADVANCED EXTRACTION TECHNOLOGIES, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 4 2 0 0 7

-----------------------------------------------------------------------------------
TEXAS BIOTECHNOLOGY CORPORATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 1 1 3 1 7

-----------------------------------------------------------------------------------
DEEP OIL TECHNOLOGY INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 4 3 7

-----------------------------------------------------------------------------------
DANIEL INDUSTRIES, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 3 1 1 2 7

-----------------------------------------------------------------------------------
VASTAR RESOURCES, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 1 2 4 7

-----------------------------------------------------------------------------------
M-I L.L.C

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 0 7 7

-----------------------------------------------------------------------------------
THE STEHLIN FOUNDATION FOR CANCER RESEARCH

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 2 2 1 2 6

-----------------------------------------------------------------------------------
ATLANTIC RICHFIELD COMPANY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 4 1 1 0 0 6

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TTI TRENCHLESS TECHNOLOGIES, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 5 0 0 6

-----------------------------------------------------------------------------------
VIROTEX CORPORATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 1 2 3 6

-----------------------------------------------------------------------------------
LYONDELL PETROCHEMICAL COMPANY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 3 1 1 0 6

-----------------------------------------------------------------------------------
OCEANEERING INTERNATIONAL, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 0 0 1 3 6

-----------------------------------------------------------------------------------
REEF INDUSTRIES, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 0 2 3 6

-----------------------------------------------------------------------------------
ICO, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 2 1 2 6

-----------------------------------------------------------------------------------
MERICHEM COMPANY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 0 0 3 2 6

-----------------------------------------------------------------------------------
SHAW INDUSTRIES LIMITED

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 2 2 0 2 0 6

-----------------------------------------------------------------------------------
KALSI ENGINEERING, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 2 2 2 6

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CAMCO DRILLING GROUP LTD.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 4 2 0 6

-----------------------------------------------------------------------------------
ALVERN NORWAY A/S

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 4 2 6

-----------------------------------------------------------------------------------
CONOCO, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 3 0 0 1 2 6

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CRC-EVANS PIPELINE INTERNATIONAL, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 3 2 0 6

-----------------------------------------------------------------------------------
HFM INTERNATIONAL, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 2 4 6

-----------------------------------------------------------------------------------
KYOCERA CORPORATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 1 2 2 0 6

-----------------------------------------------------------------------------------
LANDMARK GRAPHICS CORPORATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 4 1 0 0 6

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LONE STAR MEDICAL PRODUCTS, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 3 3 6

-----------------------------------------------------------------------------------
M-I DRILLING FLUIDS L.L.C.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 2 3 0 6

-----------------------------------------------------------------------------------
MASSACHUSETTS INSTITUTE OF TECHNOLOGY

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 2 3 1 0 0 6

-----------------------------------------------------------------------------------
VORTEXX GROUP, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 1 1 1 3 6

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TESCORP SEISMIC PRODUCTS, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 1 1 2 1 6

-----------------------------------------------------------------------------------
HUNTSMAN SPECIALTY CHEMICALS CORPORATION

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 0 0 4 1 5

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STEWART + STEVENSON SERVICES, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 1 1 1 2 1 5

-----------------------------------------------------------------------------------
JOHNSTON PUMP/GENERAL VALVE, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 2 1 0 0 2 5

-----------------------------------------------------------------------------------
POWER LONE STAR, INC.

Year of Grant ==> -- 1995 -- -- 1996 -- -- 1997 -- -- 1998 -- -- 1999 -- -- Total --
# of Patent Grants ==> 0 4 1 0 0 5

-----------------------------------------------------------------------------------


TAF Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Information Products Division - TAF Branch
PK3- Suite 441
Washington, DC 20231

tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov

address of TAF Internet pages : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of TAF reports from : ftp.uspto.gov/pub/taf/

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Last Modified: 1 June 2000