~Individually Owned Patent |
457 |
533 |
435 |
401 |
360 |
2186 |
STEELCASE DEVELOPMENT CORPORATION |
22 |
23 |
20 |
14 |
10 |
89 |
CERTAIN-TEED CORPORATION |
8 |
8 |
5 |
5 |
6 |
32 |
OWENS-CORNING FIBERGLAS CORPORATION |
7 |
4 |
10 |
3 |
8 |
32 |
ULTRAFRAME (UK) LIMITED |
5 |
6 |
3 |
4 |
5 |
23 |
USG INTERIORS, INC. |
5 |
3 |
3 |
1 |
6 |
18 |
HAWORTH, INC. |
5 |
5 |
3 |
4 |
0 |
17 |
HERMAN MILLER INC. |
0 |
5 |
6 |
0 |
5 |
16 |
DORMA GMBH & CO. KG. |
5 |
1 |
5 |
2 |
2 |
15 |
SIMPSON STRONG-TIE COMPANY, INC. |
2 |
3 |
2 |
6 |
1 |
14 |
VKR HOLDING A/S |
0 |
3 |
3 |
6 |
1 |
13 |
PERGO, AB |
0 |
0 |
1 |
6 |
4 |
11 |
WORTHINGTON ARMSTRONG VENTURE |
1 |
3 |
2 |
1 |
4 |
11 |
MITEK HOLDING, INC. |
0 |
3 |
5 |
0 |
2 |
10 |
NICHIHA CORPORATION |
0 |
4 |
2 |
2 |
2 |
10 |
PLASTIC COMPONENTS, INC. |
3 |
3 |
1 |
0 |
3 |
10 |
PPG INDUSTRIES OHIO INC. |
1 |
3 |
4 |
0 |
2 |
10 |
HILTI AKTIENGESELLSCHAFT |
1 |
2 |
3 |
1 |
2 |
9 |
HITACHI, LTD |
0 |
1 |
2 |
3 |
3 |
9 |
TAPCO INTERNATIONAL CORPORATION |
3 |
2 |
2 |
1 |
1 |
9 |
VALINGE ALUMINUM AB |
2 |
2 |
1 |
2 |
2 |
9 |
CANON KABUSHIKI KAISHA |
3 |
3 |
1 |
1 |
0 |
8 |
DIETRICH INDUSTRIES, INC. |
0 |
1 |
2 |
0 |
5 |
8 |
HENKEL CORPORATION |
3 |
3 |
1 |
1 |
0 |
8 |
JOHNS MANVILLE INTERNATIONAL, INC. |
1 |
2 |
2 |
0 |
3 |
8 |
NICHIHA CO., LTD. |
0 |
1 |
2 |
5 |
0 |
8 |
RITE-HITE HOLDING CORPORATION |
2 |
3 |
2 |
1 |
0 |
8 |
ANDERSEN CORPORATION |
2 |
1 |
2 |
1 |
1 |
7 |
ARPAL ALUMINUM LTD. |
0 |
1 |
3 |
2 |
1 |
7 |
ILLINOIS TOOL WORKS INC. |
0 |
1 |
2 |
1 |
3 |
7 |
KRUEGER INTERNATIONAL, INC. |
2 |
0 |
1 |
1 |
3 |
7 |
NAN YA PLASTICS CORPORATION |
0 |
0 |
1 |
4 |
2 |
7 |
SOLATUBE INTERNATIONAL, INC. |
1 |
3 |
3 |
0 |
0 |
7 |
ANTHONY, INC. |
2 |
1 |
1 |
2 |
0 |
6 |
ARMSTRONG WORLD INDUSTRIES, INC. |
3 |
1 |
0 |
0 |
2 |
6 |
BUILDING MATERIALS CORPORATION OF AMERICA |
6 |
0 |
0 |
0 |
0 |
6 |
CONSTRUCTION SPECIALTIES INC. |
0 |
0 |
3 |
2 |
1 |
6 |
CRANE PLASTICS COMPANY LIMITED PARTNERSHIP |
2 |
0 |
1 |
3 |
0 |
6 |
GEOMETRICA, INC. |
0 |
5 |
1 |
0 |
0 |
6 |
GUARDIAN FIBERGLASS, INC. |
2 |
2 |
1 |
0 |
1 |
6 |
ROYAL GROUP TECHNOLOGIES LIMITED |
0 |
0 |
2 |
2 |
2 |
6 |
RUBBERMAID INCORPORATED |
0 |
1 |
1 |
2 |
2 |
6 |
SAINT-GOBAIN VITRAGE |
4 |
2 |
0 |
0 |
0 |
6 |
SICO INCORPORATED |
5 |
1 |
0 |
0 |
0 |
6 |
ZONE FOUR, LLC |
1 |
0 |
2 |
2 |
1 |
6 |
AEGIS METAL FRAMING LLC |
0 |
0 |
4 |
1 |
0 |
5 |
ASSOCIATED MATERIALS INCORPORATED |
1 |
0 |
3 |
0 |
1 |
5 |
BUILDING MATERIALS INVESTMENT CORPORATION |
0 |
1 |
0 |
0 |
4 |
5 |
FREYSSINET INTERNATIONAL (STUP) |
1 |
1 |
1 |
1 |
1 |
5 |
HUNTER DOUGLAS, INC. |
1 |
2 |
2 |
0 |
0 |
5 |
INTERKAL, INC. |
1 |
3 |
1 |
0 |
0 |
5 |
JAMES HARDIE RESEARCH PTY LIMITED |
1 |
1 |
0 |
1 |
2 |
5 |
KELLEY COMPANY, INC. |
2 |
2 |
1 |
0 |
0 |
5 |
KNOLL, INC. |
1 |
1 |
2 |
0 |
1 |
5 |
L.B. (PLASTICS) LIMITED |
0 |
3 |
2 |
0 |
0 |
5 |
LUCENT TECHNOLOGIES INC. |
5 |
0 |
0 |
0 |
0 |
5 |
NIPPON STEEL CORP. |
0 |
2 |
0 |
1 |
2 |
5 |
PACTIV CORPORATION |
1 |
0 |
0 |
2 |
2 |
5 |
PREMARK RWP HOLDINGS, INC. |
0 |
1 |
3 |
0 |
1 |
5 |
RESEARCH FOUNDATION OF STATE UNIVERSITY OF NEW YORK |
1 |
1 |
3 |
0 |
0 |
5 |
TAPCO INTERNATIONAL, INC. |
1 |
0 |
3 |
1 |
0 |
5 |
TOMCAT GLOBAL CORPORATION |
4 |
1 |
0 |
0 |
0 |
5 |
TRIM-TEX, INC. |
2 |
0 |
1 |
1 |
1 |
5 |