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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Branch (PTMB)

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2005 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Having Primary Classification In

Class 044, Fuel and Related Compositions

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent ownership is determined by the first-named assignee listed on a patent )

The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant
First-Named Assignee 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Total
~Individually Owned Patent 5 5 2 12 5 9 11 11 15 18 10 15 19 19 20 13 19 17 15 16 13 14 8 9 13 12 14 11 9 4 15 22 10 9 14 14 10 457
TEXACO INC. 5 6 10 13 6 8 7 2 9 6 9 11 19 9 18 14 16 14 7 7 8 8 9 4 6 9 3 9 0 1 3 1 1 3 1 2 0 264
EXXON RESEARCH + ENGINEERING CO. 6 2 8 12 12 8 4 7 7 6 9 5 6 2 5 6 5 5 4 3 4 1 0 6 3 2 2 4 2 6 4 1 4 0 0 0 0 161
MOBIL OIL CORP. 2 2 2 7 2 2 2 0 2 1 2 3 2 1 3 2 10 6 6 7 11 10 17 14 9 7 6 9 2 1 4 0 0 0 0 0 0 154
ETHYL CORPORATION 12 0 10 7 2 3 3 5 3 1 1 6 1 2 8 10 12 12 1 0 0 0 2 0 0 0 4 5 9 4 3 2 2 1 0 1 1 133
LUBRIZOL CORPORATION 4 2 1 3 0 1 1 1 3 3 0 3 2 0 4 1 2 4 6 3 2 2 1 1 4 12 0 4 0 3 2 5 7 5 6 4 2 104
CHEVRON RESEARCH & TECHNOLOGY CO. 9 1 3 1 2 6 7 4 1 3 3 3 5 2 4 1 2 8 7 2 3 2 0 0 1 8 4 0 0 0 0 0 0 0 0 0 0 92
EXXON CHEMICALS PATENTS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 5 3 3 2 1 8 10 7 4 11 5 5 13 2 1 1 0 84
SHELL OIL COMPANY 1 1 0 1 5 1 1 1 2 7 3 2 2 3 4 1 0 1 2 2 2 3 2 3 2 2 2 5 1 2 7 0 3 1 1 2 0 78
ATLANTIC RICHFIELD COMPANY 0 0 1 2 2 0 0 0 1 3 6 5 11 1 9 2 4 3 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 51
BASF AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 1 0 1 1 0 1 0 0 0 0 2 0 4 1 3 2 2 5 1 2 1 4 5 3 3 1 2 2 1 48
CHEVRON CHEMICAL COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 8 12 11 2 1 1 0 0 0 0 45
PHILLIPS PETROLEUM COMPANY 0 1 1 3 0 0 2 0 2 2 1 2 9 7 3 4 3 1 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 44
UNION OIL COMPANY OF CALIFORNIA 1 1 1 2 1 3 1 0 1 1 1 1 0 1 0 1 1 2 3 8 2 2 2 1 1 1 0 0 0 0 0 0 0 0 0 0 0 39
PETROLITE CORPORATION 2 1 0 1 0 0 1 2 2 2 2 1 1 2 1 0 5 2 2 0 1 1 3 2 0 0 0 2 1 0 0 0 0 0 0 0 0 37
E. I. DU PONT DE NEMOURS AND COMPANY 1 2 0 1 1 5 7 1 5 1 4 3 0 0 0 0 0 0 0 1 0 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 36
INSTITUT FRANCAIS DU PETROLE 0 0 0 0 0 0 2 1 1 0 1 0 2 3 3 0 2 0 3 1 0 2 1 0 1 0 5 0 0 1 0 0 0 1 3 0 2 35
NALCO CHEMICAL COMPANY 1 1 0 0 0 1 0 1 0 1 1 2 0 0 2 4 1 0 1 2 2 1 2 0 2 2 0 1 1 0 0 0 0 0 0 0 0 29
UOP 4 0 3 4 1 2 3 1 1 0 0 1 2 3 1 1 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 29
STANDARD OIL COMPANY 0 1 0 1 0 0 0 3 1 0 5 0 2 0 2 2 1 3 3 1 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 28
GULF RESEARCH AND DEVELOPMENT COMPANY 1 3 2 0 0 0 0 0 1 1 1 2 8 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 22
CITIES SERVICE COMPANY 2 2 6 5 3 2 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
CHEVRON CHEMICAL COMPANY LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 5 6 3 1 0 0 0 19
CLARIANT GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 6 6 1 1 19
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 0 0 0 0 0 0 0 1 0 0 0 2 1 2 0 2 2 2 0 1 1 1 1 0 0 1 0 0 0 0 0 1 0 0 1 0 0 19
CIBA SPECIALTY CHEMICALS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 3 0 10 3 1 18
CONOCO, INC. 0 1 0 0 0 0 0 1 0 0 4 1 1 1 2 1 3 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
AMOCO CORPORATION 0 0 0 0 0 0 0 0 0 1 2 2 4 1 1 0 1 0 0 1 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 15
IMPERIAL CHEMICAL INDUSTRIES PLC 0 0 0 1 0 1 2 2 1 0 0 0 1 2 0 1 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15
DOW CHEMICAL COMPANY 1 1 1 1 0 1 0 0 0 4 0 0 0 1 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14
UNITED STATES OF AMERICA, ARMY 0 1 1 1 1 0 0 2 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 0 0 1 0 0 0 0 14
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 3 4 2 13
INTEVEP, S.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 1 1 0 0 0 1 0 0 2 3 0 0 0 0 0 0 13
KAO KABUSHIKI KAISHA (KAO CORPORATION) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 1 0 1 2 2 0 1 2 1 0 0 0 0 0 13
CHEVRON U.S.A. INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 2 2 2 3 1 12
SINCLAIR RESEARCH INC. 7 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
ALFRED UNIVERSITY RESEARCH FOUNDATION INC. 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 5 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
BETZ LABORATORIES INC. 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 2 0 1 2 2 0 0 0 0 0 0 0 0 0 0 0 0 11
ETHYL PETROLEUM ADDITIVES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 3 0 1 2 1 0 0 0 0 0 2 0 0 0 0 11
CANADIAN PATENTS AND DEVELOPMENT LTD. 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 1 1 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
ELF ANTAR FRANCE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 3 0 0 4 1 0 10
ENIRICERCHE S.P.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 4 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 10
ROHM AND HAAS COMPANY 1 0 0 0 0 2 1 0 3 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
STANDARD OIL CORPORATION (INDIANA) 3 0 0 0 0 4 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
DIAMOND SHAMROCK CHEMICALS CO. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 4 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
HAZEN RESEARCH, INC. 0 0 0 0 0 0 0 1 0 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 0 9
MORTON INTERNATIONAL, INC. 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 1 0 1 2 1 0 0 0 0 0 9
NIPPON OIL COMPANY LTD. 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 2 0 0 0 0 1 0 1 0 0 2 1 0 0 0 0 0 0 9
SUNTECH, INC. 0 0 0 0 0 0 0 0 1 1 2 1 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
THE BRITISH PETROLEUM COMPANY P.L.C. 0 0 0 0 0 0 0 1 1 0 0 0 1 1 0 1 2 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
TOUCHSTONE RESEARCH LABORATORY, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 4 3 9
AB CARBOGEL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
CARBON FUELS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
CHEVRON ORONITE COMPANY LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 2 2 0 8
SUN OIL COMPANY OF PENNSYLVANIA 3 1 3 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
UNITED STATES OF AMERICA, NAVY 0 1 1 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 8
ASSOCIATED OCTEL COMPANY LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 2 0 1 0 1 0 7
FMC CORPORATION 1 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 7
IOWA STATE UNIVERSITY RESEARCH FOUNDATION INC. 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 3 0 0 0 0 0 0 0 0 0 7
KAO SOAP CO., LTD. 0 0 0 0 0 0 0 0 0 0 1 1 2 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
NIPPON OIL AND FATS CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 3 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 7
ASHLAND OIL INC. 0 2 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
BAYER AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 6
CALGON CORPORATION 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 6
CARGILL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 4 0 6
COLGATE-PALMOLIVE COMPANY 0 0 0 0 0 0 0 0 0 1 1 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 6
CONROS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 2 0 0 6
DAI-ICHI KOGYO SEIYAKU CO., LTD. 0 0 0 0 0 1 0 0 0 0 0 1 1 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
ETHYL PETROLEUM ADDITIVES, LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 3 1 0 0 0 0 0 6
FUELS MANAGEMENT INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 2 1 0 0 0 0 0 6
HOECHST AKTIENGESELLSCHAFT 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 6
INFINEUM INTERNATIONAL LTD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 2 0 6
OCCIDENTAL RESEARCH CORPORATION 0 0 0 0 0 0 0 0 2 0 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
PLATINUM PLUS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 2 1 1 0 0 0 0 0 0 0 6
UNION CARBIDE CORPORATION 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
UNITED STATES OF AMERICA, DEPARTMENT OF AGRICULTURE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 6
ATLANTIC RESEARCH CORPORATION 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
BAKER HUGHES INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 1 0 5
BASF WYANDOTTE CORPORATION 0 0 0 0 0 0 0 0 0 1 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
DURAFLAME, INC. 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 1 0 5
DYNECOLOGY INCORPORATED 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 2 0 0 0 0 0 0 0 5
EQUISTAR CHEMICALS, LP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 1 0 5
GENERAL ELECTRIC COMPANY 0 0 0 0 0 0 0 0 2 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 5
GULF + WESTERN INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
HITACHI, LTD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
IDEMITSU KOSAN COMPANY LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 5
INSTITUTE OF GAS TECHNOLOGY 0 0 0 1 1 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
PETROLEUM FERMENTATIONS N.V. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
PURE ENERGY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 0 0 0 0 5


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