~Individually Owned Patent |
497 |
466 |
457 |
533 |
435 |
2388 |
STEELCASE DEVELOPMENT CORPORATION |
0 |
6 |
22 |
23 |
20 |
71 |
OWENS-CORNING FIBERGLAS CORPORATION |
6 |
9 |
7 |
4 |
10 |
36 |
STEELCASE INC. |
16 |
13 |
3 |
1 |
0 |
33 |
CERTAIN-TEED CORPORATION |
2 |
9 |
8 |
8 |
5 |
32 |
HAWORTH, INC. |
3 |
3 |
5 |
5 |
3 |
19 |
MITEK HOLDING, INC. |
1 |
6 |
0 |
3 |
5 |
15 |
ULTRAFRAME (UK) LIMITED |
0 |
1 |
5 |
6 |
3 |
15 |
USG INTERIORS, INC. |
2 |
1 |
5 |
3 |
3 |
14 |
BUILDING MATERIALS CORPORATION OF AMERICA |
3 |
3 |
6 |
0 |
0 |
12 |
DORMA GMBH & CO. KG. |
0 |
1 |
5 |
1 |
5 |
12 |
HERMAN MILLER INC. |
0 |
0 |
0 |
5 |
6 |
11 |
SIMPSON STRONG-TIE COMPANY, INC. |
2 |
2 |
2 |
3 |
2 |
11 |
TAPCO INTERNATIONAL, INC. |
4 |
2 |
1 |
0 |
3 |
10 |
HILTI AKTIENGESELLSCHAFT |
1 |
2 |
1 |
2 |
3 |
9 |
SAINT-GOBAIN VITRAGE |
2 |
1 |
4 |
2 |
0 |
9 |
SOLATUBE INTERNATIONAL, INC. |
0 |
2 |
1 |
3 |
3 |
9 |
GEOMETRICA, INC. |
0 |
2 |
0 |
5 |
1 |
8 |
PLASTIC COMPONENTS, INC. |
0 |
1 |
3 |
3 |
1 |
8 |
PPG INDUSTRIES OHIO INC. |
0 |
0 |
1 |
3 |
4 |
8 |
RITE-HITE HOLDING CORPORATION |
0 |
1 |
2 |
3 |
2 |
8 |
UNIVERSITY OF CENTRAL FLORIDA |
0 |
5 |
1 |
1 |
1 |
8 |
ANDERSEN CORPORATION |
2 |
0 |
2 |
1 |
2 |
7 |
ARMSTRONG WORLD INDUSTRIES, INC. |
2 |
1 |
3 |
1 |
0 |
7 |
ASSOCIATED MATERIALS INCORPORATED |
2 |
1 |
1 |
0 |
3 |
7 |
BAY MILLS LIMITED |
0 |
3 |
2 |
2 |
0 |
7 |
CANON KABUSHIKI KAISHA |
0 |
0 |
3 |
3 |
1 |
7 |
HENKEL CORPORATION |
0 |
1 |
2 |
3 |
1 |
7 |
ILLINOIS TOOL WORKS INC. |
3 |
1 |
0 |
1 |
2 |
7 |
KNOLL, INC. |
0 |
3 |
1 |
1 |
2 |
7 |
L.B. (PLASTICS) LIMITED |
1 |
1 |
0 |
3 |
2 |
7 |
NICHIHA CORPORATION |
0 |
1 |
0 |
4 |
2 |
7 |
TAPCO INTERNATIONAL CORPORATION |
0 |
0 |
3 |
2 |
2 |
7 |
TRIM-TEX, INC. |
3 |
1 |
2 |
0 |
1 |
7 |
VALINGE ALUMINUM AB |
1 |
1 |
2 |
2 |
1 |
7 |
VINYL CORPORATION |
1 |
2 |
3 |
1 |
0 |
7 |
WORTHINGTON ARMSTRONG VENTURE |
1 |
0 |
1 |
3 |
2 |
7 |
YKK ARCHITECTURAL PRODUCTS INC. |
3 |
2 |
2 |
0 |
0 |
7 |
GUARDIAN FIBERGLASS, INC. |
0 |
1 |
2 |
2 |
1 |
6 |
HUNTER DOUGLAS, INC. |
0 |
1 |
1 |
2 |
2 |
6 |
INTERKAL, INC. |
1 |
0 |
1 |
3 |
1 |
6 |
JOHNS MANVILLE INTERNATIONAL, INC. |
1 |
0 |
1 |
2 |
2 |
6 |
KELLEY COMPANY, INC. |
0 |
1 |
2 |
2 |
1 |
6 |
LUCENT TECHNOLOGIES INC. |
0 |
1 |
5 |
0 |
0 |
6 |
PREMARK RWP HOLDINGS, INC. |
2 |
0 |
0 |
1 |
3 |
6 |
RESEARCH FOUNDATION OF STATE UNIVERSITY OF NEW YORK |
1 |
0 |
1 |
1 |
3 |
6 |
SICO INCORPORATED |
0 |
0 |
5 |
1 |
0 |
6 |
VKR HOLDING A/S |
0 |
0 |
0 |
3 |
3 |
6 |
ANCHOR WALL SYSTEMS, INC. |
3 |
0 |
1 |
1 |
0 |
5 |
BALCO/METALINES, INC. |
3 |
0 |
2 |
0 |
0 |
5 |
BRIDGESTONE CORPORATION |
1 |
2 |
0 |
1 |
1 |
5 |
BURNS, MORRIS & STEWART LIMITED PARTNERSHIP |
0 |
2 |
1 |
0 |
2 |
5 |
CONSTRUCTION SPECIALTIES INC. |
1 |
1 |
0 |
0 |
3 |
5 |
DOW CHEMICAL COMPANY |
2 |
0 |
0 |
3 |
0 |
5 |
HARDY INDUSTRIES, INC. |
1 |
2 |
2 |
0 |
0 |
5 |
KAWNEER COMPANY, INC. |
1 |
2 |
0 |
0 |
2 |
5 |
MARTIN MARIETTA MATERIALS, INC. |
1 |
0 |
4 |
0 |
0 |
5 |
MCDONNELL DOUGLAS CORP. |
4 |
0 |
1 |
0 |
0 |
5 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
2 |
3 |
0 |
0 |
0 |
5 |
MM SYSTEMS CORPORATION |
1 |
4 |
0 |
0 |
0 |
5 |
N.V. BEKAERT S.A. |
0 |
1 |
0 |
3 |
1 |
5 |
NATIONAL GYPSUM COMPANY |
4 |
0 |
1 |
0 |
0 |
5 |
ROYAL BUILDING SYSTEMS (CDN) LIMITED |
2 |
1 |
0 |
2 |
0 |
5 |
TOMCAT GLOBAL CORPORATION |
0 |
0 |
4 |
1 |
0 |
5 |