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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Branch (PTMB)

Patenting In Technology Classes,
Breakout By Organization

Count of 2001 - 2005 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 415, Rotary Kinetic Fluid Motors or Pumps

( 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 2001 2002 2003 2004 2005 Total
GENERAL ELECTRIC COMPANY 42 99 64 60 54 319
~Individually Owned Patent 30 37 39 31 36 173
MITSUBISHI HEAVY INDUSTRIES, LTD. 16 4 13 16 10 59
SIEMENS AKTIENGESELLSCHAFT 10 7 13 13 11 54
ROLLS-ROYCE PLC 6 10 16 10 10 52
UNITED TECHNOLOGIES CORPORATION 12 14 7 3 11 47
HITACHI, LTD 11 10 11 7 2 41
HONEYWELL INTERNATIONAL INC. 0 3 12 7 10 32
SIEMENS WESTINGHOUSE POWER CORPORATION 5 4 2 3 15 29
SNECMA MOTEURS 0 4 4 12 9 29
PRATT & WHITNEY CANADA CORP. 8 6 5 2 6 27
ALSTOM (SWITZERLAND) LTD 0 8 16 0 0 24
DELTA ELECTRONICS INC. 2 2 9 3 4 20
EBARA CORPORATION 2 8 5 0 3 18
TOSHIBA CORPORATION 5 5 0 4 3 17
DENSO CORPORATION 3 1 1 6 4 15
NUOVO PIGNONE HOLDING S.P.A 0 1 2 5 7 15
BOC EDWARDS TECHNOLOGIES LIMITED 0 0 0 9 5 14
MANNESMANN VDO AG 3 7 3 0 0 13
DELPHI TECHNOLOGIES, INC. 1 7 3 0 1 12
VISTEON GLOBAL TECHNOLOGIES, INC. 3 0 5 2 2 12
ASEA BROWN BOVERI AKTIENGESELLSCHAFT 11 0 0 0 0 11
LG ELECTRONICS INC. 2 3 1 2 3 11
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 2 3 2 2 1 10
MTU AERO ENGINES GMBH 0 1 2 2 5 10
SEIKO INSTRUMENTS INC. 2 6 0 2 0 10
ALSTOM TECHNOLOGY LTD 0 0 0 4 5 9
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 1 3 2 2 9
LEYBOLD VAKUUM GMBH 1 1 2 2 3 9
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 4 0 2 3 0 9
PFEIFFER VACUUM GMBH 0 2 5 2 0 9
ROLLS-ROYCE DEUTSCHLAND LTD & CO KG 0 1 3 3 2 9
SUNONWEALTH ELECTRIC MACHINE INDUSTRY CO., LTD. 2 0 3 1 3 9
AISAN INDUSTRY CO., LTD. 1 1 1 1 4 8
HOLSET ENGINEERING COMPANY LIMITED 3 0 2 2 1 8
ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO., LTD. 2 1 0 2 3 8
ALLISON ADVANCED DEVELOPMENT COMPANY, INC. 3 2 0 0 2 7
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 3 1 3 0 0 7
KSB AKTIENGESELLSCHAFT 1 2 3 0 1 7
BORGWARNER INC. 0 1 1 1 3 6
DRESSER-RAND COMPANY 1 3 1 0 1 6
ROBERT BOSCH GMBH 0 1 2 1 2 6
ABB ALSTOM POWER (SCHWEIZ) AG 4 1 0 0 0 5
ALLIED-SIGNAL INC. 5 0 0 0 0 5
ATLAS COPCO TOOLS AKTIEBOLAG 1 1 0 1 2 5
CARRIER CORPORATION 0 0 3 1 1 5
ENVIRONAMICS CORPORATION 0 1 2 1 1 5
FANTOM TECHNOLOGIES INC. 4 0 1 0 0 5
FASCO INDUSTRIES, INC. 0 1 1 0 3 5
METAULLICS SYSTEMS CO., L.P. 2 1 1 0 1 5
SCHLUMBERGER TECHNOLOGY CORPORATION 0 1 1 1 2 5
TCG UNITECH AKTIENGESELLSCHAFT 3 1 0 1 0 5


PTMB Contacts

Questions regarding these reports should be directed to:

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

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

address of PTMB pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
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