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

Patenting By Geographic Region (State and Country), Breakout By Organization
Count of 1996 - 2000 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)
 
First-Named Assignee 1996 1997 1998 1999 2000 Total
E. I. DU PONT DE NEMOURS AND COMPANY 217 156 176 190 170 909
~Individually Owned Patent 39 23 32 33 32 159
W. L. GORE & ASSSOCIATES, INC. 25 18 25 11 3 82
HERCULES INCORPORATED 20 23 12 8 16 79
LANXIDE TECHNOLOGY COMPANY, LP 25 15 9 3 2 54
DU PONT MERCK PHARMACEUTICAL COMPANY 23 14 13 2 0 52
ZENECA LIMITED 15 10 7 10 7 49
DUPONT PHARMACEUTICALS COMPANY 0 0 1 17 22 40
MONTELL NORTH AMERICA INC. 9 6 5 6 11 37
CIBA SPECIALTY CHEMICALS CORPORATION 0 0 10 8 10 28
HEWLETT-PACKARD COMPANY 3 3 5 9 6 26
DADE BEHRING INC. 0 0 6 7 6 19
UNIVERSITY OF DELAWARE 3 3 4 1 3 14
ARCO CHEMICAL TECHNOLOGY, L.P. 2 5 2 2 0 11
DENCO, INC. 1 2 1 4 3 11
MACDERMID IMAGING TECHNOLOGY, INC. 0 3 5 3 0 11
ELSICON, INC. 0 0 1 4 5 10
CIBA-GEIGY CORPORATION 5 4 0 0 0 9
DENTSPLY RESEARCH + DEVELOPMENT CORP. 1 1 1 5 1 9
RODEL HOLDINGS INC. 0 0 0 0 9 9
RODEL INC. 1 2 4 1 0 8
MOBIL OIL CORP. 3 1 1 2 0 7
SOUTHCO INC. 0 1 2 3 1 7
SPEAKMAN COMPANY 1 0 1 3 2 7
ALLIANT TECHSYSTEMS INC. 0 0 4 2 0 6
AQUALON COMPANY 4 0 0 0 2 6
IMPERIAL CHEMICAL INDUSTRIES PLC 4 1 1 0 0 6
SUN COMPANY, INC (R&M) 4 1 1 0 0 6
THE NEMOURS FOUNDATION 0 3 2 1 0 6
WESTVACO CORPORATION 1 1 0 3 1 6
ASTROPOWER, INC. 1 1 1 0 2 5
BACHMANN INDUSTRIES, INC. 1 0 2 1 1 5
COMPACT MEMBRANE SYSTEMS, INC 0 0 0 4 1 5
CSB ENTERPRISES, INC. 0 0 2 2 1 5
DADE INTERNATIONAL INC. 0 1 4 0 0 5
EDGECRAFT CORP. 1 1 0 1 2 5
GORE ENTERPRISE HOLDINGS, INC. 0 0 0 3 2 5
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 0 2 1 2 5
PLAYTEX PRODUCTS, INC. 0 1 1 1 2 5
STERLING DIAGNOSTIC IMAGING, INC. 0 3 2 0 0 5
TWENTY-FIRST CENTURY RESEARCH CORPORATION 2 1 1 1 0 5



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Questions regarding these reports should be directed to:

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Information Products Division - TAF Branch
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tel: (703) 306-2600
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email: oeip@uspto.gov

address of TAF Internet pages : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
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Last Modified: April 26, 2001