~Individually Owned Patent |
185 |
174 |
175 |
136 |
111 |
781 |
ROBERT BOSCH GMBH |
22 |
14 |
30 |
32 |
18 |
116 |
SAMSUNG KWANG-JU ELECTRONICS CO., LTD. |
3 |
2 |
7 |
13 |
15 |
40 |
ROYAL APPLIANCE MANUFACTURING CO., INC. |
4 |
7 |
9 |
7 |
9 |
36 |
THE HOOVER COMPANY |
8 |
5 |
11 |
6 |
4 |
34 |
BISSELL HOMECARE, INC. |
10 |
7 |
6 |
2 |
6 |
31 |
LAM RESEARCH CORPORATION |
5 |
6 |
7 |
1 |
5 |
24 |
TENNANT COMPANY |
4 |
3 |
5 |
5 |
7 |
24 |
PROCTER + GAMBLE COMPANY |
4 |
3 |
4 |
4 |
8 |
23 |
ASMO CO., LTD. |
5 |
5 |
7 |
3 |
2 |
22 |
LG ELECTRONICS INC. |
0 |
3 |
6 |
5 |
7 |
21 |
COLGATE-PALMOLIVE COMPANY |
2 |
4 |
2 |
2 |
9 |
19 |
ORECK HOLDINGS LLC |
3 |
12 |
3 |
1 |
0 |
19 |
SHOP-VAC CORPORATION |
3 |
7 |
4 |
0 |
2 |
16 |
BLACK & DECKER INC. |
1 |
1 |
7 |
1 |
5 |
15 |
EMERSON ELECTRIC CO. |
5 |
7 |
2 |
0 |
0 |
14 |
BRAUN GMBH |
4 |
2 |
2 |
1 |
2 |
11 |
GILLETTE CANADA COMPANY |
4 |
2 |
3 |
2 |
0 |
11 |
VALEO SYSTEMES D'ESSUYAGE |
4 |
0 |
2 |
4 |
1 |
11 |
E. I. DU PONT DE NEMOURS AND COMPANY |
4 |
3 |
1 |
1 |
1 |
10 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
2 |
4 |
4 |
0 |
0 |
10 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
0 |
2 |
1 |
4 |
3 |
10 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
0 |
1 |
4 |
3 |
2 |
10 |
EBARA CORPORATION |
1 |
1 |
4 |
1 |
2 |
9 |
FREUDENBERG HOUSEHOLD PRODUCTS, LP |
2 |
3 |
0 |
2 |
2 |
9 |
MATSUSHITA ELECTRIC CORP. OF AMERICA |
2 |
2 |
0 |
4 |
1 |
9 |
MITSUBA CORPORATION |
1 |
1 |
4 |
2 |
1 |
9 |
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) |
1 |
1 |
2 |
4 |
1 |
9 |
THE SCOTT FETZER COMPANY |
1 |
2 |
3 |
2 |
1 |
9 |
VALEO ELECTRICAL SYSTEMS, INC. |
0 |
2 |
0 |
5 |
2 |
9 |
ALTO U. S. INC. |
1 |
2 |
2 |
2 |
1 |
8 |
CORONET-WERKE GMBH |
1 |
4 |
1 |
2 |
0 |
8 |
QUICKIE MANUFACTURING CORPORATION |
1 |
1 |
2 |
1 |
3 |
8 |
UNILEVER HOME & PERSONAL CARE USA, DIVISION OF CONOPCO, INC. |
0 |
3 |
3 |
2 |
0 |
8 |
CARL FREUDENBERG |
1 |
0 |
3 |
2 |
1 |
7 |
FANTOM TECHNOLOGIES INC. |
3 |
2 |
1 |
1 |
0 |
7 |
NOTETRY LIMITED |
4 |
2 |
1 |
0 |
0 |
7 |
SANYO ELECTRIC CO., LTD. |
2 |
2 |
1 |
2 |
0 |
7 |
TRICO PRODUCTS CORPORATION |
0 |
0 |
2 |
2 |
3 |
7 |
ALFRED KARCHER GMBH & CO. |
3 |
1 |
2 |
0 |
0 |
6 |
DYSON LIMITED |
0 |
1 |
5 |
0 |
0 |
6 |
JIDOSHA DENKI KOGYO KABUSHIKI KAISHA |
1 |
0 |
3 |
1 |
1 |
6 |
LIBMAN COMPANY |
0 |
1 |
1 |
0 |
4 |
6 |
NEWELL OPERATING COMPANY |
4 |
1 |
0 |
0 |
1 |
6 |
TOKYO ELECTRON LIMITED |
4 |
1 |
0 |
0 |
1 |
6 |
WHITE CONSOLIDATED INDUSTRIES, INC. |
2 |
1 |
1 |
1 |
1 |
6 |
AQUA PRODUCTS, INC. |
1 |
1 |
1 |
0 |
2 |
5 |
DUPRO AG |
0 |
2 |
2 |
1 |
0 |
5 |
HITACHI, LTD |
2 |
1 |
1 |
0 |
1 |
5 |
HOMEDICS, INC. |
0 |
0 |
0 |
2 |
3 |
5 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) |
1 |
1 |
2 |
0 |
1 |
5 |
NILFISK-ADVANCE, INC. |
0 |
3 |
1 |
1 |
0 |
5 |
S. C. JOHNSON + SON, INC. |
0 |
0 |
4 |
0 |
1 |
5 |
SMITHKLINE BEECHAM CONSUMER HEALTHCARE GMBH |
3 |
1 |
0 |
1 |
0 |
5 |
WESSEL-WERK GESELLSCHAFT MIT BESCHRANKTER HAFTUNG |
1 |
1 |
1 |
2 |
0 |
5 |