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

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2007 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 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
~INDIVIDUALLY OWNED PATENT 182 129 171 177 192 148 135 152 134 134 117 148 112 134 103 129 158 117 142 154 153 142 166 133 144 193 199 236 181 237 236 250 185 174 175 136 111 103 122 6144
ROBERT BOSCH GMBH 3 0 4 2 3 6 2 0 1 0 3 1 2 0 0 2 1 2 3 3 6 2 3 0 0 1 2 2 0 3 2 6 22 14 30 32 18 9 7 197
THE HOOVER COMPANY 4 3 2 1 1 0 7 2 2 0 5 1 0 4 3 2 4 0 0 3 3 1 3 1 3 6 4 7 7 3 14 9 8 5 11 6 4 7 18 164
TENNANT COMPANY 0 2 3 3 1 5 4 3 1 1 2 2 3 7 3 2 0 6 2 2 3 0 2 2 2 4 1 3 3 1 13 5 4 3 5 5 7 8 3 126
ROYAL APPLIANCE MANUFACTURING CO., INC. 1 0 0 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 1 5 1 3 1 2 4 2 4 2 1 7 8 9 4 7 9 7 9 11 5 106
WHIRLPOOL CORPORATION 5 0 2 4 7 5 2 8 1 0 0 0 1 1 4 6 3 7 7 5 4 1 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 80
BLACK & DECKER INC. 0 0 0 0 0 0 0 0 1 0 0 1 4 1 1 1 0 1 0 0 3 10 3 6 0 2 2 2 9 8 3 1 1 1 7 1 5 0 4 78
AKTIEBOLAGET ELECTROLUX 2 3 1 4 3 4 3 2 4 2 1 4 0 3 1 1 0 0 1 2 3 5 1 1 0 0 0 1 5 6 2 3 1 2 1 0 0 0 3 75
GENERAL MOTORS CORPORATION 13 4 7 14 6 2 0 2 0 0 0 0 0 0 1 1 0 2 1 3 0 2 4 3 3 0 0 0 0 0 0 0 0 1 0 1 0 1 0 71
COLGATE-PALMOLIVE COMPANY 0 0 0 0 2 0 0 0 1 1 1 2 0 0 1 0 0 0 0 1 1 1 1 0 0 2 1 0 1 4 4 4 2 4 2 2 9 13 9 69
SHOP-VAC CORPORATION 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2 3 1 5 5 1 4 1 2 4 1 1 1 3 1 3 3 7 3 7 4 0 2 0 1 69
VALEO SYSTEMES D'ESSUYAGE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 2 8 7 1 2 2 8 11 5 1 4 0 2 4 1 1 2 68
BISSELL INC. 1 1 5 0 2 1 0 1 1 2 1 0 1 3 0 0 1 0 1 1 5 1 1 3 2 4 4 7 3 6 4 0 0 0 0 0 0 0 0 62
SAMSUNG KWANG-JU ELECTRONICS CO., LTD. 0 0 0 0 0 0 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 1 3 2 7 13 15 4 12 60
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 1 1 1 0 0 0 1 0 0 0 0 1 0 0 0 2 0 2 2 1 1 7 3 9 5 0 0 1 0 2 1 1 0 1 4 3 2 2 3 57
EMERSON ELECTRIC CO. 0 0 0 0 0 0 0 0 0 0 0 1 0 2 2 0 0 0 1 0 2 4 6 0 1 0 3 1 3 2 3 8 5 7 2 0 0 0 3 56
TRICO PRODUCTS CORPORATION 4 2 6 2 1 2 3 0 1 1 1 1 4 2 1 1 0 2 1 1 0 0 1 0 2 1 1 0 0 1 2 1 0 0 2 2 3 1 1 54
BISSELL HOMECARE, 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 2 9 10 7 6 2 6 4 6 52
PROCTER + GAMBLE COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 2 2 2 3 6 2 4 3 4 4 8 7 2 52
ASMO CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 3 3 0 0 1 0 1 0 2 6 5 5 7 3 2 1 3 45
SCOTT + FETZER COMPANY 0 0 0 0 0 0 0 0 0 3 1 2 1 9 3 3 1 6 3 1 5 4 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 45
MINNESOTA MINING AND MANUFACTURING COMPANY 0 4 0 3 1 1 2 2 0 0 0 4 1 1 1 1 1 1 0 0 1 2 3 1 1 0 4 1 0 3 5 0 0 0 0 0 0 0 0 44
SINGER COMPANY 5 1 2 0 2 2 1 1 3 3 0 0 0 4 3 5 2 0 4 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 42
LG ELECTRONICS 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 2 0 3 6 5 7 7 9 39
WHITE CONSOLIDATED INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 2 2 1 3 6 1 1 7 2 2 2 1 1 1 1 0 0 38
XEROX CORPORATION 0 1 2 6 6 2 4 0 1 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 3 1 2 2 0 2 1 1 0 1 0 0 0 0 38
QUICKIE MANUFACTURING CORPORATION 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 1 0 0 0 0 4 4 3 0 1 3 4 1 1 2 1 3 2 4 37
ANDERSON COMPANY 1 1 4 0 1 4 12 4 1 3 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 34
VORWERK + CO. INTERHOLDING GMBH 0 0 0 0 0 0 0 0 0 1 1 2 1 4 2 6 3 0 2 2 1 0 2 0 1 1 0 0 1 0 2 1 1 0 0 0 0 0 0 34
SWF AUTO-ELECTRIC GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 8 1 4 3 3 3 0 2 1 1 0 0 0 0 0 0 0 0 0 0 31
BELANGER INC. 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 1 0 1 0 1 1 2 3 1 3 1 2 1 6 1 1 1 0 0 0 0 0 0 29
LAM RESEARCH 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 0 0 2 5 6 7 1 5 2 1 29
MILLIKEN RESEARCH CORPORATION 0 0 0 2 3 1 1 1 0 2 3 1 2 0 2 0 0 1 1 2 0 1 0 2 1 0 3 0 0 0 0 0 0 0 0 0 0 0 0 29
HITACHI, LTD 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 1 0 0 1 4 3 6 3 1 1 0 0 0 0 0 2 1 1 0 1 0 0 28
PANASONIC CORPORATION OF NORTH AMERICA 0 0 0 0 0 0 0 0 0 0 0 0 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 6 18 28
U.S. PHILIPS CORPORATION 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 4 3 3 0 2 5 2 4 0 0 0 0 0 0 28
DAEWOO ELECTRONICS COMPANY, LTD. 0 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 3 10 8 2 0 0 1 1 0 0 0 27
LEIFHEIT INTERNATIONAL GUNTER LEIFHEIT GMBH 0 0 1 4 6 5 1 0 2 4 1 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 27
NISSAN MOTOR COMPANY, LIMITED 0 0 2 1 0 0 4 0 0 0 0 0 2 1 2 0 0 1 2 3 0 2 1 1 0 1 0 0 0 1 0 0 2 1 0 0 0 0 0 27
ORECK HOLDINGS 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 3 3 12 3 1 0 1 4 27
THE SCOTT FETZER COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 2 1 2 1 2 1 1 1 2 3 2 1 1 0 25
BRAUN A.G. 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 4 2 3 6 2 0 0 0 0 0 0 0 24
CHAMPION SPARK PLUG EUROPE S.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 1 1 5 4 3 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 24
SANYO ELECTRIC CO., LTD. 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 1 1 2 2 0 1 2 0 0 0 1 1 2 2 2 1 2 0 0 1 24
NATIONAL UNION ELECTRIC CORPORATION 1 2 0 4 1 1 1 0 2 0 1 1 1 0 2 0 0 1 3 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 0 1 0 1 0 0 2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 1 2 4 4 0 0 0 0 22
RAYMOND LEE ORGANIZATION 0 0 0 0 0 4 3 4 6 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 22
E. I. DU PONT DE NEMOURS AND COMPANY 1 0 0 1 1 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 3 4 3 1 1 1 0 0 21
EZ PAINTER CORPORATION 2 0 3 2 1 0 0 0 0 0 0 1 2 1 1 1 0 0 0 0 1 0 1 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 21
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 0 0 0 1 2 0 1 4 1 1 2 4 1 0 1 21
WINDSOR INDUSTRIES, INC. 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 3 6 2 2 2 0 2 0 0 0 0 0 21
BRAUN GMBH 0 0 0 0 0 0 0 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 4 2 2 1 2 4 3 20
TOKYO ELECTRON 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 3 1 0 4 1 0 3 4 1 0 0 1 2 0 20
VALEO ELECTRICAL SYSTEMS, 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 1 0 2 0 5 2 2 8 20
WOOSTER BRUSH COMPANY 1 0 0 0 1 0 0 1 1 1 0 0 1 0 0 0 0 1 1 0 1 1 0 0 0 1 0 1 0 1 2 0 0 2 0 0 0 3 0 20
CLARKE-GRAVELY CORPORATION 0 0 0 0 0 2 1 5 1 2 0 5 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
DAIMLER-BENZ AKTIENGESELLSCHAFT 0 1 2 1 0 3 0 0 0 0 0 1 0 0 0 1 0 1 2 2 2 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 19
FMC CORPORATION 0 0 0 0 0 0 2 1 2 4 1 1 0 0 1 1 3 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
NEWELL OPERATING COMPANY 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 0 1 3 0 1 3 3 4 1 0 0 1 1 0 19
SAMSUNG ELECTRONICS CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 4 0 2 5 1 1 0 0 0 0 2 2 0 0 1 19
SCOTT AND FETZER COMPANY D/B/A LAKEWOOD INDUSTRIES, 4 3 0 3 0 6 1 0 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 19
ANDERSON COMPANY OF INDIANA 0 0 0 0 0 0 0 0 0 0 1 3 3 2 0 2 2 3 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
CORONET-WERKE GMBH 0 0 0 0 0 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 6 1 4 1 2 0 1 0 17
DUPRO AG 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 0 1 1 0 2 0 0 0 0 0 0 0 1 2 0 2 2 1 0 0 2 17
KIORITZ CORPORATION 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 0 0 0 0 0 0 1 1 1 1 3 1 0 1 1 1 0 0 0 0 1 1 0 17
MINOLTA CAMERA CO., LTD. 0 0 0 0 0 0 1 2 0 0 0 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 1 4 2 2 1 1 0 0 0 0 0 0 17
TORO COMPANY 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 3 1 3 3 1 1 2 1 0 0 0 0 17
UNI-CHARM 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 2 0 1 1 0 0 1 1 0 11 17
WAYNE MANUFACTURING COMPANY 2 1 2 7 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17
CHESEBROUGH-POND'S USA CO., DIVISION OF CONOPCO, INC. 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 4 1 1 2 4 2 1 0 0 0 0 0 0 16
FORD MOTOR COMPANY 0 4 1 0 0 1 0 0 0 1 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 3 2 0 1 1 0 0 0 0 0 0 0 0 16
ITT INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 1 1 1 4 1 4 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16
ITT MANUFACTURING ENTERPRISES, 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 5 7 2 1 0 0 0 1 0 16
NIPPON WIPER BLADE CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2 5 2 2 0 0 0 1 0 1 1 0 0 0 1 0 0 0 0 0 16
REXAIR, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 2 3 0 2 0 1 0 0 3 2 0 0 0 0 0 0 1 16
RYOBI MOTOR PRODUCTS CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 3 0 0 3 4 1 1 0 0 0 0 0 0 0 0 0 0 0 16
ITT AUTOMOTIVE EUROPE GMBH 0 0 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 3 4 2 5 0 0 0 0 0 0 0 0 15
KAO KABUSHIKI KAISHA (KAO CORPORATION) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 1 0 0 0 0 0 0 0 1 0 0 1 3 0 0 0 2 0 3 0 15
SWF-SPEZIALFABRIK FUR AUTOZUBEHOR GUSTAV RAU GMBH 0 0 0 0 8 1 3 1 1 0 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 15
TAKEUCHI TEKKO KABUSHIKI KAISHA 0 0 2 0 2 7 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 15
WORLDWIDE INTEGRATED RESOURCES, 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 1 0 1 1 0 2 3 1 1 1 0 1 1 2 15
ADVANCE MACHINE COMPANY 1 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 2 0 0 1 0 1 1 1 2 0 1 1 0 0 0 0 0 0 0 0 0 14
ALFRED KARCHER GMBH & CO. 0 0 0 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 0 0 1 1 3 1 2 0 0 1 4 14
BABCOCK & WILCOX COMPANY 0 0 0 0 0 0 0 0 0 0 0 1 0 3 1 0 0 1 0 0 0 0 2 1 2 1 1 1 0 0 0 0 0 0 0 0 0 0 0 14
DRACKETT COMPANY 1 0 1 0 0 1 1 0 0 0 0 1 1 0 0 0 2 1 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14
EASTMAN KODAK COMPANY 1 2 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 3 0 0 2 1 0 0 0 0 14
EBARA 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 0 2 3 1 1 4 1 2 0 0 14
ELECTROLUX CORPORATION 2 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 2 0 0 0 0 0 0 0 0 0 1 4 2 0 0 0 0 0 0 0 0 0 0 14
FREUDENBERG HOUSEHOLD PRODUCTS, 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 0 1 0 1 2 3 0 2 2 0 3 14
GILLETTE CANADA INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 3 3 5 0 0 0 0 0 0 0 14
HAKO MINUTEMAN, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 3 2