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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

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

Count of 1998 - 2002 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 1998 1999 2000 2001 2002 Total
E. I. DU PONT DE NEMOURS AND COMPANY 176 190 170 160 123 819
~Individually Owned Patent 32 33 32 34 33 164
DUPONT PHARMACEUTICALS COMPANY 1 17 22 21 1 62
HERCULES INCORPORATED 12 8 16 19 7 62
W. L. GORE & ASSSOCIATES, INC. 25 11 3 1 1 41
CIBA SPECIALTY CHEMICALS CORPORATION 10 8 10 6 5 39
RODEL HOLDINGS INC. 0 0 9 9 18 36
DADE BEHRING INC. 6 7 6 5 4 28
ZENECA LIMITED 7 10 7 2 1 27
MONTELL NORTH AMERICA INC. 5 6 11 3 0 25
BRISTOL-MYERS SQUIBB PHARMA COMPANY 0 0 0 1 22 23
HEWLETT-PACKARD COMPANY 5 9 6 0 0 20
AGILENT TECHNOLOGIES, INC. 0 0 4 4 10 18
ELSICON, INC. 1 4 5 3 4 17
UNIVERSITY OF DELAWARE 4 1 3 3 6 17
LANXIDE TECHNOLOGY COMPANY, LP 9 3 2 2 0 16
DU PONT MERCK PHARMACEUTICAL COMPANY 13 2 0 0 0 15
DUPONT DOW ELASTOMERS, L.L.C. 0 0 2 5 7 14
GORE ENTERPRISE HOLDINGS, INC. 0 3 2 6 2 13
DENTSPLY RESEARCH + DEVELOPMENT CORP. 1 5 1 2 3 12
DENCO, INC. 1 4 3 1 1 10
ARCO CHEMICAL TECHNOLOGY, L.P. 2 2 0 2 3 9
SOUTHCO INC. 2 3 1 2 1 9
ASTROPOWER, INC. 1 0 2 2 3 8
BEAVER CREEK CONCEPTS, INC. 0 0 0 4 4 8
CONOCO, INC. 0 0 1 2 5 8
DIRECT RADIOGRAPHY CORP. 0 0 3 0 5 8
MACDERMID IMAGING TECHNOLOGY, INC. 5 3 0 0 0 8
SPEAKMAN COMPANY 1 3 2 0 2 8
ALLIANT TECHSYSTEMS INC. 4 2 0 0 1 7
APPLIED EXTRUSION TECHNOLOGIES, INC. 1 0 2 1 3 7
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 2 2 0 1 2 7
ASTRAZENECA AB 0 0 0 1 5 6
FOAMEX LP 1 0 2 1 2 6
INTERNATIONAL BUSINESS MACHINES CORPORATION 2 1 2 0 1 6
MACDERMID, INC. 0 3 0 2 1 6
PLAYTEX PRODUCTS, INC. 1 1 2 1 1 6
COMPACT MEMBRANE SYSTEMS, INC 0 4 1 0 0 5
CORDANT TECHNOLOGIES INC. 2 0 1 2 0 5
CSB ENTERPRISES, INC. 2 2 1 0 0 5
EDGECRAFT CORP. 0 1 2 2 0 5
HAMMOND GROUP, INC. 0 0 2 1 2 5
KIMBERLY-CLARK WORLDWIDE, INC. 0 1 2 0 2 5
LAB PRODUCTS, INC. 0 0 1 1 3 5
METAL MASTERS FOOD SERVICE EQUIPMENT CO., INC. 1 2 0 1 1 5
MONTELL TECHNOLOGY COMPANY BV 0 0 1 4 0 5
R.P.C. INC. 0 0 1 4 0 5
RODEL INC. 4 1 0 0 0 5
XYMID L.L.C. 0 0 1 2 2 5


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Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
PK3- Suite 441; P.O Box 1450
Alexandria VA 22313

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

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