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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 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 1998 1999 2000 2001 2002 Total
GENERAL ELECTRIC COMPANY 20 14 36 42 99 211
~Individually Owned Patent 13 13 23 30 37 116
UNITED TECHNOLOGIES CORPORATION 11 7 19 12 14 63
MITSUBISHI HEAVY INDUSTRIES CO., LTD. 3 9 17 16 4 49
HITACHI, LTD 3 6 8 11 10 38
SIEMENS AKTIENGESELLSCHAFT 2 4 11 10 7 34
ROLLS-ROYCE PLC 2 4 5 6 10 27
EBARA CORPORATION 5 5 4 2 8 24
ASEA BROWN BOVERI AKTIENGESELLSCHAFT 4 7 1 11 0 23
PRATT & WHITNEY CANADA CORP. 0 0 5 8 6 19
SOCIETE NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION "S.N.E.C.M.A." 7 4 5 2 0 18
SIEMENS WESTINGHOUSE POWER CORPORATION 0 4 3 5 4 16
ALLIED-SIGNAL INC. 4 3 2 5 0 14
CARRIER CORPORATION 0 6 8 0 0 14
TOSHIBA CORPORATION 0 1 3 5 5 14
DRESSER-RAND COMPANY 5 2 2 1 3 13
MANNESMANN VDO AG 0 0 3 3 7 13
KSB AKTIENGESELLSCHAFT 3 1 3 1 2 10
PRATT & WHITNEY CANADA INC. 4 3 2 1 0 10
DENSO CORPORATION 3 1 1 3 1 9
ROBERT BOSCH GMBH 2 3 3 0 1 9
VOITH HYDRO, INC. 1 6 2 0 0 9
ALSTOM (SWITZERLAND) LTD 0 0 0 0 8 8
DELPHI TECHNOLOGIES, INC. 0 0 0 1 7 8
SEIKO INSTRUMENTS INC. 0 0 0 2 6 8
ABB ALSTOM POWER (SCHWEIZ) AG 0 0 2 4 1 7
INSTITUT FRANCAIS DU PETROLE 0 2 1 3 1 7
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 1 1 1 4 0 7
ALLISON ADVANCED DEVELOPMENT COMPANY, INC. 1 0 0 3 2 6
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 0 0 1 2 3 6
FORD MOTOR COMPANY 1 3 2 0 0 6
HOLSET ENGINEERING COMPANY LIMITED 0 3 0 3 0 6
LG ELECTRONICS INC. 0 1 0 2 3 6
THE BOC GROUP PLC 2 0 3 0 1 6
CAPSTONE TURBINE CORPORATION 2 0 1 0 2 5
CATERPILLAR INC. 2 0 2 0 1 5
FANTOM TECHNOLOGIES INC. 0 0 1 4 0 5
GHH BORSIG TURBOMASCHINEN GMBH 0 1 2 2 0 5
INGERSOLL-DRESSER PUMP COMPANY 0 4 1 0 0 5
MOTOREN-UND TURBINEN-UNION MUNCHEN GMBH 1 0 3 0 1 5
TCG UNITECH AKTIENGESELLSCHAFT 0 0 1 3 1 5
VISTEON GLOBAL TECHNOLOGIES, INC. 0 0 2 3 0 5


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Office of Electronic Information Products - PTMD
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Alexandria VA 22313

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

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