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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 2003 - 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 052, Static Structures (e.g., Buildings)

( 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 2003 2004 2005 2006 2007 Total
~INDIVIDUALLY OWNED PATENT 401 360 295 232 179 1467
STEELCASE DEVELOPMENT CORPORATION 14 10 6 1 1 32
CERTAIN-TEED CORPORATION 5 6 4 3 5 23
PERGO, AB 6 4 5 4 1 20
SIMPSON STRONG-TIE COMPANY, INC. 6 1 4 3 3 17
OWENS-CORNING FIBERGLAS TECHNOLOGY, INC. 3 8 1 1 2 15
BUILDING MATERIALS INVESTMENT CORPORATION 0 4 3 4 2 13
VALINGE ALUMINUM AB 2 2 5 3 0 12
DIETRICH INDUSTRIES, INC. 0 5 1 1 4 11
VKR HOLDING A/S 6 1 3 1 0 11
HITACHI, LTD 3 3 1 1 2 10
ULTRAFRAME (UK) LIMITED 4 5 0 1 0 10
WORTHINGTON ARMSTRONG VENTURE 1 4 1 1 3 10
HOHMANN BARNARD, INC. 2 1 5 1 0 9
THE STEEL NETWORK, INC. 1 2 2 2 2 9
FLOORING INDUSTRIES, LTD. 0 1 3 3 1 8
RITE-HITE HOLDING CORPORATION 1 0 4 0 3 8
USG INTERIORS, INC. 1 6 0 1 0 8
CARDINAL IG COMPANY 2 2 1 2 0 7
CRANE PLASTICS COMPANY LIMITED PARTNERSHIP 3 0 2 1 1 7
DAYTON SUPERIOR CORPORATION 1 2 2 1 1 7
JAMES HARDIE INTERNATIONAL FINANCE B.V. 0 0 2 1 4 7
KRUEGER INTERNATIONAL, INC. 1 3 2 0 1 7
PACTIV CORPORATION 2 2 0 3 0 7
ROYAL GROUP TECHNOLOGIES LIMITED 2 2 3 0 0 7
SKYLINE DISPLAYS, INC. 2 1 1 3 0 7
UNILIN BEHEER BV, BESLOTEN VENNOOTSCHAP 0 2 3 2 0 7
W. R. GRACE & CO.-CONN. 1 1 1 2 2 7
3M INNOVATIVE PROPERTIES COMPANY 1 2 1 2 0 6
ANDERSEN CORPORATION 1 1 1 2 1 6
FUKUVI USA, INC. 1 1 1 3 0 6
HAWORTH, INC. 4 0 1 1 0 6
ILLINOIS TOOL WORKS INC. 1 3 2 0 0 6
MASONITE CORPORATION 2 0 0 3 1 6
NAN YA PLASTICS CORPORATION 4 2 0 0 0 6
NICHIHA CO., LTD. 5 0 1 0 0 6
NIPPON STEEL CORP. 1 2 0 1 2 6
SASHLITE, LLC. 2 2 1 1 0 6
TAPCO INTERNATIONAL, INC. 1 0 0 1 4 6
AKZENTA PANEELE + PROFILE GMBH 2 1 0 2 0 5
ARANAR, INC. 0 0 1 2 2 5
ARPAL ALUMINUM LTD. 2 1 0 2 0 5
DORMA GMBH & CO. KG. 2 2 0 1 0 5
HERMAN MILLER INC. 0 5 0 0 0 5
HILTI AKTIENGESELLSCHAFT 1 2 0 2 0 5
JOHNS MANVILLE INTERNATIONAL, INC. 0 3 2 0 0 5
LARSON MANUFACTURING COMPANY OF SOUTH DAKOTA, INC. 2 1 0 2 0 5
NCI BUILDING SYSTEMS, L.P. 1 0 1 2 1 5
NICHIHA CORPORATION 2 2 1 0 0 5
RUBBERMAID INCORPORATED 2 2 1 0 0 5
SAINT-GOBAIN GLASS FRANCE 1 0 0 2 2 5
SOLATUBE INTERNATIONAL, INC. 0 0 0 3 2 5
TAPCO INTERNATIONAL CORPORATION 1 1 1 1 1 5
UNIVERSITY OF FLORIDA 1 1 2 1 0 5
VALINGE INNOVATION AB 0 0 0 3 2 5
VALMONT INDUSTRIES INC. 2 1 2 0 0 5
WENGER CORPORATION 1 1 1 1 1 5

PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/

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