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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

IOWA

( 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
~Individually Owned Patent 129 134 117 124 84 588
PIONEER HI-BRED INTERNATIONAL, INC. 47 55 39 57 41 239
DEERE + COMPANY 29 29 23 59 52 192
IOWA STATE UNIVERSITY RESEARCH FOUNDATION INC. 51 38 33 24 17 163
ROCKWELL COLLINS, INC. 0 2 22 44 63 131
UNIVERSITY OF IOWA RESEARCH FOUNDATION 24 28 13 38 21 124
STINE SEED FARM, INC. 5 14 10 47 6 82
MAYTAG CORPORATION 12 21 16 12 17 78
GATEWAY 2000, INC. 8 12 11 16 27 74
INTERMEC IP CORP. 0 13 25 13 5 56
NORAND CORPORATION 24 26 3 0 0 53
ROCKWELL INTERNATIONAL CORPORATION 17 33 3 0 0 53
FISHER CONTROLS INTERNATIONAL, INC. 7 10 16 9 8 50
SQUARE D COMPANY 15 13 4 9 8 49
VERMEER MANUFACTURING COMPANY, INC. 6 3 5 7 18 39
ROCKWELL SCIENCE CENTER, LLC 1 19 8 4 0 32
TOWNSEND ENGINEERING COMPANY 6 8 7 8 3 32
CASE CORPORATION 2 10 4 7 7 30
MCI COMMUNICATIONS CORP. 9 8 2 5 4 28
LISLE CORPORATION 2 3 5 8 9 27
HOLDEN'S FOUNDATION SEEDS, INC. 7 6 3 9 1 26
CEDARAPIDS, INC. 4 5 10 2 2 23
ASGROW SEED CO. LLC 6 2 3 4 6 21
SAUER-DANFOSS INC. 0 0 0 12 9 21
DEKALB GENETICS CORPORATION 2 8 6 3 1 20
LITTON SYSTEMS INC. 5 6 3 2 4 20
BARNSTEAD THERMOLYNE CORPORATION 5 4 2 3 4 18
GRAIN PROCESSING CORPORATION 1 2 4 2 9 18
AMANA COMPANY L.P. 2 6 7 2 0 17
MUSCO CORPORATION 4 4 2 3 4 17
RITE-HITE HOLDING CORPORATION 0 3 5 5 4 17
SAUER, INC. 2 4 5 3 0 14
UNITED STATES OF AMERICA, DEPARTMENT OF AGRICULTURE 3 3 3 2 1 12
COMPRESSOR CONTROLS CORP. 2 4 1 3 1 11
GENESIS SYSTEMS GROUP, LTD. 1 0 2 4 4 11
NATIONAL COMPUTER SYSTEMS, INC. 5 0 2 4 0 11
E. I. DU PONT DE NEMOURS AND COMPANY 2 2 3 3 0 10
KEMIN INDUSTRIES, INC. 3 0 2 3 2 10
MIDWEST OILSEEDS, INC. 7 3 0 0 0 10
U.S. MANUFACTURING INC. 0 0 3 2 5 10
BERKLEY, INC. 3 3 3 0 0 9
PELLA CORPORATION 1 5 0 3 0 9
AMERICAN HOME PRODUCTS CORPORATION 5 3 0 0 0 8
AMERICAN SPORTS INTERNATIONAL, LTD. 0 2 2 1 3 8
CRYSTAL GROUP INC 0 0 0 3 5 8
HON INDUSTRIES INC. 8 0 0 0 0 8
IPSCO ENTERPRISES, INC. 2 3 0 1 2 8
JAM'N FITNESS CORP. 0 2 1 2 3 8
MCI WORLDCOM, INC. 0 1 2 1 4 8
MONSANTO CORPORATION 0 8 0 0 0 8
WATERLOO INDUSTRIES 2 3 1 0 2 8
CYCLE COUNTRY ACCESSORIES CORP. 2 1 0 3 1 7
DETHMERS MANUFACTURING COMPANY, INC. 1 3 2 1 0 7
EMCO ENTERPRISES, INC. 2 1 1 3 0 7
HWH CORPORATION 1 2 2 1 1 7
NONVOLATILE ELECTRONICS, INCORPORATED 2 3 1 1 0 7
TRI/MARK CORPORATION 0 1 0 3 3 7
AMSC SUBSIDIARY CORPORATION 0 5 1 0 0 6
CONEXANT SYSTEMS, INC. 0 0 2 3 1 6
ENGINEERED PRODUCTS COMPANY 2 0 0 4 0 6
GITS MANUFACTURING COMPANY 3 0 2 1 0 6
HUMAN GENE THERAPY RESEARCH INSTITUTE 2 2 0 1 1 6
HUNTER'S SPECIALTIES, INC. 0 0 3 3 0 6
LINK MFG., LTD. 0 2 1 3 0 6
LINKUSA CORPORATION 2 3 1 0 0 6
SCHAFER SYSTEMS INC. 0 2 1 3 0 6
SKYJACK EQUIPMENT INC. 2 3 1 0 0 6
SUKUP MANUFACTURING COMPANY 2 1 1 1 1 6
WHITE CONSOLIDATED INDUSTRIES, INC. 4 1 0 1 0 6
ZENECA LIMITED 2 1 0 3 0 6
ALCOA INC. 0 0 0 2 3 5
CIVCO MEDICAL INSTRUMENTS INC. 0 1 0 2 2 5
EBSCO INDUSTRIES, INC. 0 0 0 3 2 5
ETREMA PRODUCTS, INC. 0 1 2 2 0 5
GARY W. CLEM, INC. 0 0 0 4 1 5
GILLETTE CANADA INC. 2 1 1 1 0 5
INTERMEC TECHNOLOGIES CORPORATION 0 4 1 0 0 5
KNESS MANUFACTURING CO., INC. 0 2 1 2 0 5
PUTCO, INC. 1 0 1 1 2 5
SOUTHEASTERN TRADING, LLP 0 2 3 0 0 5
THERMAL DYNAMICS, INC. 0 1 0 1 3 5
UROSURGE, INC. 3 1 0 0 1 5
WAVERLY LIGHT AND POWER 0 1 1 2 1 5
WESTINGHOUSE AIR BRAKE COMPANY 0 4 0 0 1 5
WORLDCOM, INC. 0 0 0 0 5 5


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