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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 137, Fluid Handling

( 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 171 236 249 223 126 1005
SMC CORPORATION 7 15 11 20 6 59
ROBERT BOSCH GMBH 5 10 10 13 7 45
EATON CORPORATION 2 9 3 5 9 28
FISHER CONTROLS INTERNATIONAL, INC. 5 6 5 6 4 26
SMC KABUSHIKI KAISHA 1 2 9 8 5 25
PARKER-HANNIFIN CORPORATION 1 2 4 6 8 21
WESTINGHOUSE AIR BRAKE COMPANY 3 7 8 2 0 20
DELPHI TECHNOLOGIES, INC. 0 0 1 8 10 19
EMHART INC. 6 4 5 2 2 19
CATERPILLAR INC. 4 6 3 3 2 18
FRIEDRICH GROHE AKTIENGESELLSCHAFT 6 4 3 2 3 18
FUJIKIN INC. 5 1 5 5 2 18
KOMATSU LTD. 9 3 4 2 0 18
AMERICAN STANDARD, INC. 8 2 6 1 0 17
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 0 4 2 5 6 17
NATIONAL COUPLING COMPANY, INC. 2 3 4 7 1 17
GENERAL MOTORS CORPORATION 2 9 3 0 2 16
FORD GLOBAL TECHNOLOGIES, INC. 3 3 1 5 3 15
STANT MANUFACTURING COMPANY, INC. 1 1 2 6 5 15
MASCO CORP. OF INDIANA 3 3 1 5 2 14
MOEN INCORPORATED 2 2 5 2 3 14
B S & B SAFETY SYSTEMS, INC. 0 2 1 3 7 13
CHUNG CHENG FAUCET CO. LTD. 7 2 1 2 1 13
EMERSON ELECTRIC CO. 0 5 3 3 2 13
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 0 3 4 5 0 12
MANNESMANN REXROTH AG 0 4 4 4 0 12
MANNESMANN VDO AG 0 0 2 6 4 12
SATURN ELECTRONICS & ENGINEERING, INC. 2 2 3 4 1 12
TRW INC. 2 2 2 6 0 12
APPLIED MATERIALS, INC. 0 4 4 1 2 11
FESTO AG & CO. 0 0 0 3 8 11
SNAP-TITE TECHNOLOGIES, INC. 1 4 3 0 3 11
BOEING COMPANY 1 5 0 4 0 10
BURKERT WERKE GMBH & CO. 2 1 2 4 1 10
DANFOSS A/S 5 2 1 2 0 10
FMC CORPORATION 3 2 2 1 2 10
HONEYWELL INTERNATIONAL INC. 0 0 0 7 3 10
TETRA LAVAL HOLDINGS & FINANCE S.A. 1 4 2 3 0 10
AEROQUIP CORPORATION, LINAIR DIVISION 5 2 2 0 0 9
DENSO CORPORATION 0 1 1 3 4 9
KABUSHIKI KAISHA SAGINOMIYA SEISAKUSHO 0 2 3 4 0 9
MITSUBISHI DENKI KABUSHIKI KAISHA 1 4 0 2 2 9
UNITED STATES OF AMERICA, NAVY 1 4 2 1 1 9
ALLIED-SIGNAL INC. 0 3 2 3 0 8
BORG-WARNER AUTOMOTIVE, INC. 1 4 3 0 0 8
DAIMLERCHRYSLER CORPORATION 0 0 4 3 1 8
HALLIBURTON ENERGY SEVICES, INC. 0 0 1 5 2 8
HILL-ROM COMPANY, INC. 0 0 0 4 4 8
HYUNDAI MOTOR CO., LTD. 4 2 0 1 1 8
LUCAS INDUSTRIES PUBLIC LTD. COMPANY 2 3 2 1 0 8
MERTIK MAXITROL GMBH & CO., KG 2 2 2 2 0 8
PGI INTERNATIONAL, LTD. 4 1 1 2 0 8
ROSS OPERATING VALVE COMPANY 1 2 1 1 3 8
SAMSUNG ELECTRONICS CO., LTD. 3 1 2 1 1 8
SIEMENS AKTIENGESELLSCHAFT 0 0 4 3 1 8
SLOAN VALVE COMPANY 1 1 1 4 1 8
UNIT INSTRUMENTS, INC. 1 1 0 3 3 8
WALBRO CORPORATION 0 4 2 2 0 8
CKD KABUSHIKI KAISHA (CKD CORPORATION) 1 1 4 1 0 7
DANA CORPORATION 1 1 2 2 1 7
DRESSER INDUSTRIES, INC. 2 4 1 0 0 7
GILMORE VALVE COMPANY, INC. 1 1 0 2 3 7
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 2 0 1 2 2 7
HUSCO INTERNATIONAL, INC. 1 2 2 0 2 7
ITT MANUFACTURING ENTERPRISES, INC. 1 1 3 2 0 7
MICRON TECHNOLOGY, INC. 0 0 0 3 4 7
MKS INSTRUMENTS, INC. 0 1 1 2 3 7
SEALAND TECHNOLOGY, INC. 0 4 2 1 0 7
TOYODA GOSEI KABUSHIKI KAISHA 1 0 0 3 3 7
UNISIA JECS CORPORATION 4 0 1 1 1 7
WATTS INVESTMENT COMPANY 0 3 2 2 0 7
ABBOTT LABORATORIES 4 1 0 0 1 6
AISIN AW CO., LTD. 3 3 0 0 0 6
AISIN SEIKI KABUSHIKI KAISHA 1 2 1 2 0 6
CORTANA CORPORATION 0 0 1 2 3 6
EVAC INTERNATIONAL OY 0 0 2 2 2 6
GENERAL ELECTRIC COMPANY 0 2 2 2 0 6
GEORG FISCHER ROHRLEITUNGSSYSTEME AG 2 1 0 3 0 6
GRIFFIN & CANTRELL COMPANY, INC. 2 1 1 2 0 6
HYDRAULIK-RING GMBH 0 0 0 3 3 6
ILLINOIS TOOL WORKS INC. 0 0 0 4 2 6
KABUSHIKI KAISHA YOKOTA SEISAKUSHO 3 0 2 1 0 6
LUK GETRIEBE-SYSTEME GMBH 0 0 1 3 2 6
MASCO CORPORATION 3 2 0 0 1 6
RED VALVE CO., INC. 2 1 1 0 2 6
SIEMENS CANADA LTD. 0 1 0 1 4 6
SOLVAY (SOCIETE ANONYME) 1 1 1 3 0 6
SPX CORPORATION 0 0 2 3 1 6
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 0 1 2 3 0 6
TYCO FLOW CONTROL, INC. 1 1 1 3 0 6
U.S. FILTER CORPORATION 0 1 2 3 0 6
UNITED MICROELECTRONICS CORPORATION 0 1 2 2 1 6
AB REXROTH MECMAN 0 1 0 2 2 5
ARMSTRONG INTERNATIONAL, INC. 0 3 1 0 1 5
BAKER HUGHES INCORPORATED 1 1 0 2 1 5
BENKAN CORPORATION 1 0 2 2 0 5
BOC GROUP, INC. 1 0 2 0 2 5
CAMCO INTERNATIONAL INC. 0 1 3 1 0 5
CONBRACO INDUSTRIES, INC. 2 0 0 0 3 5
CONTINENTAL TEVES AG & CO., OHG 0 0 1 2 2 5
CTB, INC. 1 2 1 1 0 5
DAIMLER-BENZ AKTIENGESELLSCHAFT 3 2 0 0 0 5
EBARA CORPORATION 1 2 1 0 1 5
FUJI OOZX INC. 1 1 1 1 1 5
G. T. PRODUCTS, INC. 1 4 0 0 0 5
GAS RESEARCH INSTITUTE 3 1 0 1 0 5
GLOBE UNION INDUSTRIAL CORPORATION 0 0 3 0 2 5
HUNTER INDUSTRIES, INC. 0 3 2 0 0 5
IDEAL STANDARD GMBH 1 2 1 1 0 5
INGERSOLL-RAND COMPANY 1 1 0 0 3 5
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 1 1 2 1 5
KOHLER CO. 1 1 0 3 0 5
LAM RESEARCH CORPORATION 2 0 1 2 0 5
MCDONNELL DOUGLAS CORP. 2 1 1 1 0 5
NELSON IRRIGATION CORPORATION 1 2 1 1 0 5
NIBCO INC. 3 0 1 1 0 5
NISSAN MOTOR COMPANY, LIMITED 0 2 3 0 0 5
NUMATICS INCORPORATED 0 1 2 1 1 5
PRAXAIR TECHNOLOGY, INC. 2 1 0 2 0 5
RANCO INCORPORATED OF DELAWARE 0 3 1 1 0 5
ROBERTSHAW CONTROLS COMPANY 1 2 0 1 1 5
S. C. JOHNSON COMMERCIAL MARKETS, INC. 1 1 2 1 0 5
STURMAN BG, LLC 0 0 2 3 0 5
SUNCAST CORPORATION 3 1 1 0 0 5
TESMA MOTOREN-UND GETRIEBETECHNIK GMBH 0 0 2 1 2 5
TOTO, LTD. 3 1 1 0 0 5
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 1 1 1 1 1 5
VERIFLO CORPORATION 3 1 1 0 0 5
WABCO GMBH & CO, OHG 0 0 4 0 1 5


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Skip menu navigation Home > PTMD Home > PTMD Listing of Viewable Reports > Table of Contents for This Set of Reports