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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting In Technology Classes,
Breakout By Organization

Count of 1998 - 2002 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 209, Classifying, Separating, and Assorting Solids

( 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 1998 1999 2000 2001 2002 Total
~Individually Owned Patent 36 43 37 36 36 188
HITACHI, LTD 4 4 4 4 3 19
TUBOSCOPE I/P INC. 0 2 3 10 3 18
BELOIT TECHNOLOGIES, INC. 4 6 4 0 0 14
BOC GASES AUSTRALIA LIMITED 1 2 5 0 2 10
SIEMENS AKTIENGESELLSCHAFT 1 1 0 4 4 10
MICRON TECHNOLOGY, INC. 0 1 2 1 5 9
SATAKE CORPORATION 2 2 2 1 2 9
ADVANTEST CORP. 1 2 2 1 2 8
PITNEY-BOWES, INC. 0 3 1 2 2 8
UNITED PARCEL SERVICE OF AMERICA, INC. 1 2 0 5 0 8
OPEX CORPORATION 2 0 3 2 0 7
SOUTHWESTERN WIRE CLOTH, INC. 0 3 0 2 1 6
VOITH SULZER PAPIERTECHNIK PATENT GMBH 0 0 2 3 1 6
ADVANCED MICRO DEVICES, INC. 0 0 1 0 4 5
CARPCO, INC. 1 2 2 0 0 5
CP MANUFACTURING, INC. 1 1 0 2 1 5
HITACHI ZOSEN CORPORATION 0 0 0 1 4 5
KEY TECHNOLOGY, INC. 0 1 0 3 1 5
SIEMENS ELECTROCOM L.P. 0 1 0 1 3 5
SRC VISION, INC. 1 4 0 0 0 5
UNIVERSITY OF KENTUCKY RESEARCH FOUNDATION 2 1 0 1 1 5
VARCO I/P, INC. 0 0 0 0 5 5
WACKER-CHEMIE GMBH 0 0 2 2 1 5


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
PK3- Suite 441; P.O Box 1450
Alexandria VA 22313

tel: (703) 306-2600
fax: (703) 306-2737
email: oeip@uspto.gov

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


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