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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 2000 - 2004 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 2000 2001 2002 2003 2004 Total
GENERAL ELECTRIC COMPANY 36 42 99 64 60 301
~Individually Owned Patent 23 30 37 39 31 160
MITSUBISHI HEAVY INDUSTRIES, LTD. 17 16 4 13 16 66
UNITED TECHNOLOGIES CORPORATION 19 12 14 7 3 55
SIEMENS AKTIENGESELLSCHAFT 11 10 7 13 13 54
HITACHI, LTD 8 11 10 11 7 47
ROLLS-ROYCE PLC 5 6 10 16 10 47
PRATT & WHITNEY CANADA CORP. 5 8 6 5 2 26
ALSTOM (SWITZERLAND) LTD 0 0 8 16 0 24
HONEYWELL INTERNATIONAL INC. 0 0 3 12 7 22
SNECMA MOTEURS 0 0 4 4 12 20
EBARA CORPORATION 4 2 8 5 0 19
SIEMENS WESTINGHOUSE POWER CORPORATION 3 5 4 2 3 17
TOSHIBA CORPORATION 3 5 5 0 4 17
DELTA ELECTRONICS INC. 0 2 2 9 3 16
MANNESMANN VDO AG 3 3 7 3 0 16
ASEA BROWN BOVERI AKTIENGESELLSCHAFT 1 11 0 0 0 12
CARRIER CORPORATION 8 0 0 3 1 12
DENSO CORPORATION 1 3 1 1 6 12
VISTEON GLOBAL TECHNOLOGIES, INC. 2 3 0 5 2 12
DELPHI TECHNOLOGIES, INC. 0 1 7 3 0 11
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 1 2 3 2 2 10
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 1 4 0 2 3 10
SEIKO INSTRUMENTS INC. 0 2 6 0 2 10
BOC EDWARDS TECHNOLOGIES LIMITED 0 0 0 0 9 9
KSB AKTIENGESELLSCHAFT 3 1 2 3 0 9
PFEIFFER VACUUM GMBH 0 0 2 5 2 9
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 1 1 3 2 8
LG ELECTRONICS INC. 0 2 3 1 2 8
NUOVO PIGNONE HOLDING S.P.A 0 0 1 2 5 8
ABB ALSTOM POWER (SCHWEIZ) AG 2 4 1 0 0 7
ALLIED-SIGNAL INC. 2 5 0 0 0 7
DRESSER-RAND COMPANY 2 1 3 1 0 7
HOLSET ENGINEERING COMPANY LIMITED 0 3 0 2 2 7
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 0 3 1 3 0 7
LEYBOLD VAKUUM GMBH 1 1 1 2 2 7
ROBERT BOSCH GMBH 3 0 1 2 1 7
ROLLS-ROYCE DEUTSCHLAND LTD & CO KG 0 0 1 3 3 7
SOCIETE NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION "S.N.E.C.M.A." 5 2 0 0 0 7
SUNONWEALTH ELECTRIC MACHINE INDUSTRY CO., LTD. 1 2 0 3 1 7
FANTOM TECHNOLOGIES INC. 1 4 0 1 0 6
MOTOREN-UND TURBINEN-UNION MUNCHEN GMBH 3 0 1 2 0 6
TCG UNITECH AKTIENGESELLSCHAFT 1 3 1 0 1 6
THE BOC GROUP PLC 3 0 1 1 1 6
AISAN INDUSTRY CO., LTD. 1 1 1 1 1 5
AISIN SEIKI KABUSHIKI KAISHA 1 0 0 2 2 5
ALLISON ADVANCED DEVELOPMENT COMPANY, INC. 0 3 2 0 0 5
GIW INDUSTRIES, INC. 1 0 2 1 1 5
INSTITUT FRANCAIS DU PETROLE 1 3 1 0 0 5
ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO., LTD. 0 2 1 0 2 5
MITSUBISHI DENKI KABUSHIKI KAISHA 1 2 0 1 1 5


PTMD Contacts

Questions regarding these reports should be directed to:

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

tel: (571) 272-5600
fax: (571) 273-0110
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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