~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 |