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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 417, 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
~Individually Owned Patent 71 74 113 102 102 462
TOYODA JIDOSHOKKI SEISAKUSHO KABUSHIKI KAISHA 23 18 37 36 40 154
ROBERT BOSCH GMBH 3 7 24 29 22 85
SANDEN CORPORATION 4 7 10 9 7 37
LG ELECTRONICS INC. 6 7 4 6 11 34
INGERSOLL-RAND COMPANY 4 6 8 7 5 30
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 4 4 4 11 5 28
EBARA CORPORATION 7 6 2 3 8 26
SCROLL TECHNOLOGIES, INC. 0 1 0 10 14 25
CATERPILLAR INC. 3 6 5 5 5 24
HITACHI, LTD 2 3 2 10 6 23
COPELAND CORPORATION 4 2 4 8 3 21
CARRIER CORPORATION 1 2 8 3 6 20
TECUMSEH PRODUCTS COMPANY 1 2 2 8 7 20
DENSO CORPORATION 0 1 6 7 4 18
MITSUBISHI DENKI KABUSHIKI KAISHA 1 5 7 4 1 18
SAMSUNG ELECTRONICS CO., LTD. 8 4 2 2 2 18
AISIN SEIKI KABUSHIKI KAISHA 3 4 4 5 1 17
INSTITUT FRANCAIS DU PETROLE 5 1 3 8 0 17
VISTEON GLOBAL TECHNOLOGIES, INC. 0 0 1 7 9 17
ZEXEL CORPORATION 5 4 5 1 2 17
DELPHI TECHNOLOGIES, INC. 0 0 0 2 13 15
GENERAL ELECTRIC COMPANY 1 3 4 1 6 15
LUK FAHRZEUG-HYDRAULIK GMBH & CO. KG 0 0 5 7 3 15
BAXTER INTERNATIONAL INC. 2 3 3 5 1 14
GENERAL MOTORS CORPORATION 0 2 3 2 6 13
WALBRO CORPORATION 0 2 7 3 1 13
COLTEC INDUSTRIES INC. 3 0 2 2 5 12
THOMAS INDUSTRIES, INC. 1 1 2 4 4 12
SANYO ELECTRIC CO., LTD. 4 2 1 2 2 11
SEIKO INSTRUMENTS INC. 0 0 1 2 8 11
STANADYNE AUTOMOTIVE CORP. 1 3 2 3 1 10
ALARIS MEDICAL SYSTEMS, INC. 1 2 2 2 2 9
BAKER HUGHES INCORPORATED 0 3 2 3 1 9
CONTINENTAL TEVES AG & CO., OHG 0 0 0 4 5 9
ITT MANUFACTURING ENTERPRISES, INC. 0 1 3 3 2 9
MATSUSHITA REFRIGERATION CO. 0 0 3 4 2 9
SIMS DELTEC, INC. 2 3 3 1 0 9
ZAHNRADFABRIK FRIEDRICHSHAFEN AG 2 2 2 2 1 9
BRUENINGHAUS HYDROMATIK GMBH 0 3 3 1 1 8
CHRYSLER MOTORS CORPORATION 3 1 2 2 0 8
EMPRESA BRAZILEIRA DE COMPRESSORES S/A EMBRACO 2 2 2 1 1 8
FORD GLOBAL TECHNOLOGIES, INC. 1 0 3 2 2 8
PUTZMEISTER AKTIENGESELLSCHAFT 0 1 2 3 2 8
WILDEN PUMP & ENGINEERING CO. 0 2 3 2 1 8
ABBOTT LABORATORIES 4 0 0 2 1 7
CAMCO INTERNATIONAL INC. 0 0 3 3 1 7
CAMPBELL HAUSFELD/SCOTT FETZER COMPANY 0 0 0 2 5 7
DANFOSS COMPRESSORS GMBH 1 1 1 2 2 7
EATON CORPORATION 1 0 4 1 1 7
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 0 3 1 1 2 7
S.A.E.S. GETTERS S.P.A. 1 2 3 1 0 7
SAMSUNG KWANG-JU ELECTRONICS CO., LTD. 0 0 2 1 4 7
SUNONWEALTH ELECTRIC MACHINE INDUSTRY CO., LTD. 0 1 3 1 2 7
VARIAN, INC. 0 2 2 3 0 7
WESTINGHOUSE AIR BRAKE COMPANY 1 1 2 3 0 7
ALCATEL 0 0 1 1 4 6
ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP 1 1 2 1 1 6
BRISTOL COMPRESSORS, INC. 0 1 3 1 1 6
DAIKIN INDUSTRIES LIMITED 1 1 3 0 1 6
DEKA PRODUCTS LIMITED PARTNERSHIP 0 0 1 1 4 6
DIESEL TECHNOLOGY COMPANY 1 1 2 1 1 6
FLOWSERVE MANAGEMENT COMPANY 0 0 0 4 2 6
FORD MOTOR COMPANY 0 2 4 0 0 6
JIDOSHA KIKI CO. LTD. 0 0 4 2 0 6
LINDE AKTIENGESELLSCHAFT 0 0 5 0 1 6
MANNESMANN VDO AG 0 0 2 1 3 6
MICROPUMP, INC. 3 1 2 0 0 6
MINEBEA KABUSHIKI-KAISHA (MINEBEA CO., LTD) 0 0 0 1 5 6
MITSUBISHI HEAVY INDUSTRIES CO., LTD. 0 0 5 0 1 6
PFEIFFER VACUUM GMBH 0 0 2 1 3 6
PIERBURG AG 1 0 1 4 0 6
SHURFLO PUMP MANUFACTURING COMPANY, INC. 3 0 3 0 0 6
SIEMENS AKTIENGESELLSCHAFT 1 1 2 1 1 6
TOSHIBA CORPORATION 2 1 3 0 0 6
UNISIA JECS CORPORATION 1 1 3 1 0 6
WILSON GREATBATCH LTD. 1 1 0 3 1 6
ALFRED KARCHER GMBH & CO. 0 1 1 0 3 5
AMERICAN STANDARD, INC. 1 1 1 2 0 5
CALSONIC CORPORATION 1 2 2 0 0 5
FLOW INTERNATIONAL CORPORATION 0 1 3 1 0 5
GORMAN-RUPP COMPANY 0 2 2 1 0 5
LEYBOLD AKTIENGESELLSCHAFT 2 2 1 0 0 5
LEYBOLD VAKUUM GMBH 0 0 2 0 3 5
MILTON ROY COMPANY 0 0 1 4 0 5
OIL-RITE CORPORATION 0 2 3 0 0 5
SAES PURE GAS, INC. 0 3 2 0 0 5
SARCOS L.C. 0 2 0 1 2 5
TERUMO KABUSHIKI KAISHA (TERUMO CORPORATION) 0 2 2 0 1 5
TLV CO., LTD. 1 1 1 2 0 5
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 0 1 3 1 0 5
UNITED STATES OF AMERICA, NAVY 0 1 3 1 0 5
WARREN RUPP, INC. 1 1 2 1 0 5
WESTONBRIDGE INTERNATIONAL LIMITED 2 1 0 1 1 5
ZANUSSI ELETTROMECCANICA S.P.A. 0 0 1 1 3 5


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