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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 2004 - 2008 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 366, Agitating (e.g., of articles and materials)

( 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 2004 2005 2006 2007 2008 Total
~INDIVIDUALLY OWNED PATENT 28 29 26 27 27 137
PREMARK FEG L.L.C. 0 5 3 4 3 15
SPX CORPORATION 6 1 2 3 3 15
IMPULSE DEVICES, INC. 0 0 0 0 10 10
RED DEVIL EQUIPMENT COMPANY 1 2 1 4 2 10
BERSTORFF GMBH 4 2 0 1 1 8
KOBE STEEL LTD. 2 1 3 1 1 8
SHERWIN-WILLIAMS COMPANY 1 1 1 1 4 8
SULZER CHEMTECH AG 3 0 2 0 3 8
FIVE STAR TECHNOLOGIES, INC. 1 1 1 2 2 7
LEVTECH, INC. 1 2 1 1 2 7
GC CORPORATION 3 0 0 2 1 6
HALLIBURTON ENERGY SERVICES, INC. 0 1 2 3 0 6
KUHN KNIGHT INC. 1 2 2 1 0 6
SITE-B COMPANY 1 2 1 1 1 6
BAYER AKTIENGESELLSCHAFT 2 1 0 1 1 5
BUHLER AG 1 0 3 0 1 5
ENERSAVE FLUID MIXERS INC. 1 0 1 1 2 5
KRAUSS-MAFFEI KUNSTSTOFFTECHNIK GMBH 2 0 2 1 0 5
METSO PAPER, INC. 0 0 2 1 2 5
XEROX CORPORATION 2 1 1 0 1 5


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
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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