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

Patenting By Geographic Region (State and Country),
Breakout By Organization

Count of 1969 - 2007 Utility Patent Grants,
By Calendar Year of Grant

- Explanation of Data -

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

DELAWARE

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

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 2006 2007 Total
E. I. DU PONT DE NEMOURS AND COMPANY 362 353 325 419 329 292 320 275 267 238 142 182 198 165 171 195 189 179 219 215 247 248 298 320 291 231 230 217 156 176 190 170 160 123 136 148 122 162 172 8832
~INDIVIDUALLY OWNED PATENT 24 37 27 49 24 49 29 29 19 18 6 27 25 20 13 24 17 13 25 19 24 30 34 24 33 32 34 39 23 32 33 32 34 33 28 30 35 30 18 1072
HERCULES INCORPORATED 65 32 51 91 56 42 45 35 26 25 15 13 28 9 19 17 21 28 35 16 31 22 36 18 15 20 11 20 23 12 8 16 19 7 8 4 3 4 5 951
LANXIDE TECHNOLOGY COMPANY, LP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 33 13 41 34 40 28 21 25 15 9 3 2 2 0 0 0 0 0 0 268
ICI AMERICAS INC. 0 0 0 2 17 20 23 14 12 25 16 7 17 7 4 8 3 13 14 10 15 12 8 5 4 2 2 1 1 0 0 0 0 0 1 0 0 0 0 263
W. L. GORE & ASSSOCIATES, INC. 0 1 0 1 1 0 1 2 1 1 1 2 0 1 2 2 4 1 2 7 10 11 9 11 13 14 17 25 18 25 11 3 1 1 0 0 0 0 0 199
UNIVERSITY OF DELAWARE 0 2 0 1 0 0 4 7 6 4 7 5 10 12 6 4 6 4 3 6 3 6 7 7 3 3 4 3 3 4 1 3 3 6 5 8 2 4 5 167
DU PONT MERCK PHARMACEUTICAL COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 19 22 20 16 23 14 13 2 0 0 0 0 0 0 0 0 141
BRISTOL-MYERS SQUIBB PHARMA 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 1 22 23 18 20 9 7 100
SUN OIL COMPANY OF PENNSYLVANIA 15 20 15 15 10 3 6 5 3 1 2 0 2 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 98
DUPONT PHARMACEUTICALS 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 1 17 22 21 1 2 1 1 0 0 66
ATLAS CHEMICAL INDUSTRIES INC. 13 10 8 21 10 2 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 0 65
HEWLETT-PACKARD COMPANY 0 4 0 0 0 0 0 1 1 0 0 3 2 2 1 1 1 0 1 0 2 3 2 5 2 5 3 3 3 5 9 6 0 0 0 0 0 0 0 65
SUN RESEARCH AND DEVELOPMENT COMPANY 0 0 0 4 17 30 7 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 59
RODEL HOLDINGS 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 9 9 18 11 10 0 0 0 57
ZENECA 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 4 15 10 7 10 7 2 1 0 0 0 0 0 56
WESTVACO CORPORATION 0 0 1 2 6 5 1 3 2 3 0 1 1 4 1 1 2 3 3 1 0 3 0 0 1 3 1 1 1 0 3 1 0 0 0 0 0 0 0 54
DADE BEHRING 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 6 7 6 5 4 1 3 1 7 12 52
DENTSPLY RESEARCH + DEVELOPMENT CORP. 0 0 0 0 0 2 1 0 1 0 0 0 0 1 1 0 4 0 1 3 8 4 0 1 1 5 0 1 1 1 5 1 2 3 4 1 0 0 0 52
INVISTA NORTH AMERICA S.A.R.L. 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 6 22 15 7 50
MOBIL OIL CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 3 3 6 6 9 4 4 3 3 1 1 2 0 0 0 0 0 0 0 0 47
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 10 8 10 6 5 1 2 1 2 1 46
BRISTOL-MYERS SQUIBB 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 0 11 5 9 15 5 45
MONTELL NORTH AMERICA 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 5 9 6 5 6 11 3 0 0 0 0 0 0 45
ASTRAZENECA AB 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 5 6 9 6 8 6 41
CIBA-GEIGY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 0 0 1 3 3 5 4 1 6 5 5 4 0 0 0 0 0 0 0 0 0 0 41
GENERAL FOODS CORPORATION 0 0 2 1 0 2 1 1 1 1 1 5 5 6 2 3 3 2 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 40
MORTON THIOKOL, INC. 0 0 1 1 1 1 1 1 1 0 0 0 1 1 2 1 0 0 1 3 3 1 6 2 4 3 1 1 1 2 0 0 0 0 0 0 0 0 0 40
GORE ENTERPRISE HOLDINGS, 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 3 2 6 2 4 3 7 10 2 39
AMERICAN HOME PRODUCTS CORPORATION 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2 0 11 7 10 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 38
HIMONT INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 2 3 8 5 12 5 0 0 0 0 0 0 0 0 0 0 0 0 37
DENCO, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 3 1 3 4 2 1 1 2 1 4 3 1 1 1 2 1 0 0 36
AGILENT TECHNOLOGIES, 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 4 4 10 3 3 3 4 4 35
AQUALON COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 6 8 5 0 1 1 4 0 0 0 2 0 0 0 0 0 0 0 34
FMC CORPORATION 0 2 3 1 5 9 7 3 1 1 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 1 34
ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, 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 0 1 11 10 12 34
ARCO CHEMICAL TECHNOLOGY, L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 6 1 2 5 2 2 0 2 3 1 1 0 0 0 32
UNITED STATES OF AMERICA, ARMY 4 0 1 2 1 1 0 1 0 0 2 1 0 1 0 0 1 0 0 0 1 3 0 0 0 0 0 0 1 1 0 0 0 1 1 2 1 2 1 29
IMPERIAL CHEMICAL INDUSTRIES PLC 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 2 4 5 5 4 4 1 1 0 0 0 0 0 0 0 0 0 28
DUPONT DOW ELASTOMERS, L.L.C. 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 5 7 3 4 5 1 0 27
SPEAKMAN COMPANY 1 3 2 0 0 0 2 0 0 2 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1 0 1 1 0 1 3 2 0 2 1 1 0 1 1 27
SUN VENTURES INC. 0 0 0 0 0 2 9 9 2 3 2 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 27
EDGECRAFT CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 0 3 1 1 0 1 2 2 0 1 1 3 2 4 25
WESTINGHOUSE ELECTRIC CORP. 0 1 4 3 2 2 0 1 2 2 0 2 2 1 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 25
ALL AMERICAN INDUSTRIES, INC. 2 2 1 1 3 7 0 2 2 2 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 0 0 0 0 24
ELSICON, 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 1 4 5 3 4 1 1 2 2 0 23
SCOTT PAPER CO. 5 1 0 3 2 3 2 1 1 1 0 0 0 0 1 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23
SUNTECH, INC. 0 0 0 0 0 0 0 0 5 7 4 2 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23
CONOCO, INC. 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2 1 4 3 1 0 0 0 0 0 0 0 1 2 5 1 0 0 0 0 22
APPLIED EXTRUSION TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 2 1 1 1 0 1 0 2 1 3 1 0 1 1 2 21
BOEING COMPANY 3 2 3 0 0 0 0 0 4 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 3 1 0 21
BEAVER CREEK CONCEPTS, 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 4 4 5 3 0 4 0 20
CONTAINER CORPORATION OF AMERICA 3 2 0 6 3 0 1 1 1 0 1 0 0 1 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 20
ILC INDUSTRIES, INC. 2 2 6 6 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 0 0 0 0 0 0 0 0 0 0 20
JOSEPH BANCROFT + SONS COMPANY 3 2 6 5 0 2 2 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 20
SOUTHCO INC. 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 2 3 1 2 1 0 1 1 1 4 20
BUDD COMPANY 5 2 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 2 2 3 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
ILC DOVER, INC. 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 2 1 1 0 1 1 0 1 0 0 0 4 2 3 1 0 18
L'AIR LIQUIDE, SOCIETE ANONYME A DIRECTOIRE ET CONSEIL DE SURVEILLANCE POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 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 2 0 1 2 2 3 2 3 1 18
BASELL POLIOLEFINE ITALIA S.P.A. 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 5 4 3 0 1 17
ATLANTIC RICHFIELD COMPANY 2 2 4 3 0 2 0 0 2 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 16
INTERNATIONAL PLAYTEX CORPORATION 0 3 3 1 1 1 0 0 0 0 0 0 3 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15
METAL MASTERS FOOD SERVICE EQUIPMENT CO., INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 0 0 1 0 1 1 2 0 1 1 0 1 1 2 0 15
ASTROPOWER, 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 0 2 0 1 1 1 0 2 2 3 1 0 0 0 0 14
REICHHOLD CHEMICALS, INC. 0 0 0 0 0 0 0 3 0 0 1 0 1 0 0 0 1 0 1 2 1 1 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14
PLAYTEX PRODUCTS, 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 1 1 1 2 1 1 2 1 1 1 1 13
RODEL INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 2 1 2 4 1 0 0 0 0 0 0 0 0 13
CROWELL CORPORATION 0 0 0 0 0 0 0 0 0 1 0 0 1 1 1 0 3 2 0 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 12
FOAMEX 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 1 1 0 2 1 2 3 1 0 1 0 12
HOLOTRON CORPORATION 0 1 2 5 1 1 1 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 12
MONSANTO TECHNOLOGY, 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 0 2 1 3 4 2 12
BETZ LABORATORIES INC. 0 0 0 0 0 0 0 0 0 0 0 4 3 0 0 2 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 11
DIRECT RADIOGRAPHY CORP. 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 3 0 5 1 1 1 0 0 11
MACDERMID IMAGING TECHNOLOGY, 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 3 5 3 0 0 0 0 0 0 0 0 11
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 0 3 0 0 1 1 0 1 1 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 11
ALLIED-SIGNAL INC. 0 0 0 3 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 10
BERGER INSTRUMENTS, 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 2 7 1 0 0 0 10
MANNINGTON MILLS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 2 1 1 0 2 0 0 1 0 0 0 0 0 10
STANDARD BRANDS INCORPORATED 2 1 2 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 10
UNITED STATES OF AMERICA, AIR FORCE 0 0 0 0 0 0 0 0 1 0 0 0 1 2 2 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 10
UNITED STATES OF AMERICA, NAVY 0 0 0 2 2 1 2 2 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 0 0 0 0 0 0 10
DUPONT CANADA INC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 1 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 9
GENERAL CHEMICAL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 2 0 1 2 0 1 0 0 1 0 0 0 0 0 0 9
NEW RESEARCH AND DEVELOPMENT LABORATORIES, INC. 1 0 1 0 0 0 0 0 3 3 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 9
THE NEMOURS FOUNDATION 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 3 2 1 0 0 0 0 1 1 0 1 9
TRW INC. 0 0 0 0 0 0 0 0 0 0 1 4 1 2 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 9
XYMID L.L.C. 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 2 1 0 0 1 2 9
AIR PRODUCTS AND CHEMICALS, INC. 4 0 0 0 2 1 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 0 0 0 8
AVISUN CORPORATION 3 0 1 3 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 0 0 0 8
ENTERPRISE MACHINE AND DEVELOPMENT CORPORATION 1 0 0 3 0 2 0 1 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 8
HAVEG INDUSTRIES, INC. 3 1 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 0 0 0 0 0 0 0 0 0 0 0 0 8
L'AIR LIQUIDE, S.A.