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

Patenting In Technology Classes,
Breakout By Organization

Count of 2000 - 2004 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 015, Brushing, Scrubbing, and General Cleaning

( 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 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 250 185 174 176 136 921
ROBERT BOSCH GMBH 6 22 14 30 32 104
THE HOOVER COMPANY 9 8 5 11 6 39
ROYAL APPLIANCE MANUFACTURING CO., INC. 9 4 7 9 7 36
BISSELL HOMECARE, INC. 9 10 7 6 2 34
ASMO CO., LTD. 6 5 5 7 3 26
SAMSUNG KWANG-JU ELECTRONICS CO., LTD. 1 3 2 7 13 26
EMERSON ELECTRIC CO. 8 5 7 2 0 22
ORECK HOLDINGS LLC 3 3 12 3 1 22
TENNANT COMPANY 5 4 3 5 5 22
LAM RESEARCH CORPORATION 2 5 6 7 1 21
SHOP-VAC CORPORATION 7 3 7 4 0 21
PROCTER + GAMBLE COMPANY 2 4 3 4 4 17
LG ELECTRONICS INC. 2 0 3 6 5 16
COLGATE-PALMOLIVE COMPANY 4 2 4 2 2 14
CORONET-WERKE GMBH 6 1 4 1 2 14
MATSUSHITA ELECTRIC CORP. OF AMERICA 5 2 2 0 4 13
E. I. DU PONT DE NEMOURS AND COMPANY 3 4 3 1 1 12
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 4 1 1 2 4 12
BLACK & DECKER INC. 1 1 1 7 1 11
BRAUN GMBH 2 4 2 2 1 11
GILLETTE CANADA COMPANY 0 4 2 3 2 11
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 2 4 4 0 11
MITSUBA CORPORATION 3 1 1 4 2 11
VALEO SYSTEMES D'ESSUYAGE 1 4 0 2 4 11
EBARA CORPORATION 3 1 1 4 1 10
ITT MANUFACTURING ENTERPRISES, INC. 7 2 1 0 0 10
ALTO U. S. INC. 2 1 2 2 2 9
FANTOM TECHNOLOGIES INC. 2 3 2 1 1 9
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 1 0 1 4 3 9
QUICKIE MANUFACTURING CORPORATION 4 1 1 2 1 9
SANYO ELECTRIC CO., LTD. 2 2 2 1 2 9
THE SCOTT FETZER COMPANY 1 1 2 3 2 9
UNILEVER HOME & PERSONAL CARE USA, DIVISION OF CONOPCO, INC. 1 0 3 3 2 9
CARL FREUDENBERG 2 1 0 3 2 8
FREUDENBERG HOUSEHOLD PRODUCTS, LP 1 2 3 0 2 8
NEWELL OPERATING COMPANY 3 4 1 0 0 8
TOKYO ELECTRON LIMITED 3 4 1 0 0 8
VALEO ELECTRICAL SYSTEMS, INC. 1 0 2 0 5 8
AKTIEBOLAGET ELECTROLUX 3 1 2 1 0 7
ALFRED KARCHER GMBH & CO. 1 3 1 2 0 7
DUPRO AG 2 0 2 2 1 7
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 2 1 4 7
NOTETRY LIMITED 0 4 2 1 0 7
WHITE CONSOLIDATED INDUSTRIES, INC. 2 2 1 1 1 7
DYSON LIMITED 0 0 1 5 0 6
NILFISK-ADVANCE, INC. 1 0 3 1 1 6
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 2 2 0 2 0 6
U.S. PHILIPS CORPORATION 2 4 0 0 0 6
WORLDWIDE INTEGRATED RESOURCES, INC. 3 1 1 1 0 6
BALDWIN-JAPAN LTD. 1 3 0 1 0 5
GILLETTE CANADA INC. 5 0 0 0 0 5
JIDOSHA DENKI KOGYO KABUSHIKI KAISHA 0 1 0 3 1 5
KAO KABUSHIKI KAISHA (KAO CORPORATION) 3 0 0 0 2 5
MICRON TECHNOLOGY, INC. 1 2 0 1 1 5
SMITHKLINE BEECHAM CONSUMER HEALTHCARE GMBH 0 3 1 0 1 5
TORO COMPANY 1 1 2 1 0 5
TRICO PRODUCTS CORPORATION 1 0 0 2 2 5
WAGNER SPRAY TECH CORPORATION 2 2 1 0 0 5
WESSEL-WERK GESELLSCHAFT MIT BESCHRANKTER HAFTUNG 0 1 1 1 2 5


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Office of Electronic Information Products - PTMD
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fax: (571) 273-0110
email: oeip@uspto.gov

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