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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 1969 - 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 152, Resilient Tires and Wheels

( 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 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 32 32 32 22 48 45 30 24 18 27 24 29 38 21 23 15 11 10 17 16 30 17 16 16 25 18 14 13 16 16 17 22 17 13 21 13 798
GOODYEAR TIRE + RUBBER COMPANY 4 11 13 11 5 7 4 12 13 16 11 16 21 16 11 16 12 12 16 15 21 21 21 13 19 29 17 13 16 24 16 29 27 55 45 25 633
BRIDGESTONE CORPORATION 0 0 0 3 2 7 7 8 8 10 8 16 25 13 15 14 17 15 15 25 21 25 23 21 24 22 22 14 18 26 22 28 35 32 25 29 595
SUMITOMO RUBBER INDUSTRIES, LTD. 0 0 0 0 0 0 0 2 1 3 0 0 3 2 0 0 0 0 6 6 7 17 16 19 24 25 31 22 27 18 16 34 31 21 36 26 393
YOKOHAMA RUBBER CO., LTD. 1 0 0 0 0 1 0 1 0 1 0 1 3 2 3 2 0 4 8 12 10 7 11 10 17 19 7 2 5 9 7 9 7 9 10 7 185
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN 7 15 6 13 11 19 10 8 5 4 1 17 18 1 4 7 4 5 3 2 7 3 3 1 0 0 0 0 0 2 0 0 0 0 0 0 176
COMPAGNIE GENERALE DES ESTABLISSEMENTS MICHELIN-MICHELIN & CIE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 6 11 6 7 4 13 15 9 6 18 9 3 110
MICHELIN RECHERCHE ET TECHNIQUE 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 1 0 0 0 0 0 1 0 1 0 2 5 3 4 5 6 3 5 16 30 18 102
DUNLOP HOLDINGS LIMITED 1 8 10 6 4 13 15 13 7 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 85
CONTINENTAL GUMMI-WERKE AKTIENGESELLSCHAFT 5 6 7 4 2 1 1 1 6 1 1 5 4 2 2 5 3 10 6 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 74
CONTINENTAL AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 3 3 3 3 4 1 1 3 4 3 1 3 2 6 10 4 60
FIRESTONE TIRE & RUBBER CO. 3 2 3 1 2 1 4 8 4 2 2 3 2 6 2 5 1 3 2 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 60
B. F. GOODRICH CO. 5 7 5 1 3 2 1 7 2 3 1 4 3 0 0 1 2 0 1 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 51
CATERPILLAR INC. 3 0 5 1 7 3 4 5 2 3 3 2 2 2 3 2 1 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 51
DUNLOP LIMITED 0 1 3 0 0 0 2 1 0 1 4 7 12 6 2 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 43
PIRELLI COORDINAMENTO PNEUMATICI S.P.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 2 1 1 2 2 2 1 1 3 7 5 6 1 3 1 42
PIRELLI SOCIETA PER AZIONI CENTRO PIRELLI 2 4 3 4 3 6 8 3 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 38
UNIROYAL, INC. 2 1 2 2 3 3 2 1 3 4 3 2 7 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 37
EISEN -UND DRAHTWERK ERLAU AKTIENGESELLSCHAFT 2 1 6 0 1 5 4 3 1 0 1 1 0 0 0 0 1 0 0 0 1 1 4 1 0 0 0 0 0 0 0 1 0 0 0 0 34
PIRELLI PNEUMATICI S.P.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 9 3 12 29
TOYO TIRE & RUBBER CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 2 2 3 1 2 2 1 0 2 1 1 1 1 3 2 1 1 29
EATON CORPORATION 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 2 1 1 2 2 4 3 1 1 5 1 0 2 0 0 0 0 0 0 0 1 28
GENCORP INC. 2 1 5 1 0 0 2 2 4 0 0 3 2 1 0 1 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 28
TOYO RUBBER INDUSTRY COMPANY LTD. 0 0 2 1 0 1 3 0 1 0 0 1 4 3 2 5 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 25
PNEUMATIQUES, CAOUTCHOUC MANUFACTURE ET PLASTIQUES KLEBER-CO 1 3 3 0 3 2 1 3 0 2 1 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23
UNIROYAL S.A. 1 2 1 4 0 3 3 3 3 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 22
UNIROYAL ENGELBERT REIFEN GMBH 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 2 2 1 1 1 3 4 1 0 2 0 0 1 0 0 0 0 0 21
BRIDGESTONE/FIRESTONE, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 2 1 1 3 1 2 4 3 0 0 0 0 20
BRIDGESTONE/FIRESTONE NORTH AMERICAN TIRE, LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 4 5 19
OWENS-CORNING FIBERGLAS CORPORATION 1 3 4 5 1 1 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 0 0 0 0 0 0 0 0 0 2 1 1 2 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 2 1 0 1 3 16
UNIROYAL, A.G. 0 0 0 0 1 2 4 1 3 1 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16
RUB-KETTENFABRIK RIEGER & DIETZ GMBH & CO. 0 0 0 0 0 1 0 0 0 0 0 0 0 2 4 1 0 0 1 0 1 1 0 0 0 0 1 0 0 0 0 0 0 3 0 0 15
BAYER AKTIENGESELLSCHAFT 0 0 2 0 0 0 0 1 2 0 0 0 0 3 0 2 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14
INDUSTRIE PIRELLI, S.P.A. 0 0 0 0 0 0 0 0 0 0 3 3 3 0 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
BURNS BROS., INC. 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 2 0 0 1 1 11
GENERAL MOTORS CORPORATION 0 0 0 0 1 0 0 1 0 0 4 2 0 0 0 0 0 0 0 0 0 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 11
GRUMMAN AEROSPACE CORPORATION 0 0 0 1 0 0 0 0 0 1 0 0 0 1 0 2 0 1 3 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
HUTCHINSON 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 0 0 3 0 0 1 1 1 1 0 11
SOCIETA PNEUMATICI PIRELLI S.P.A. 0 0 0 0 0 0 0 0 0 0 0 1 1 1 2 0 2 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
SP TYRES UK LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 5 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 11
OHTSU TIRE & RUBBER CO., LTD. 0 0 0 0 0 0 0 0 0 0 2 1 0 2 1 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 1 0 10
DUNLOP GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 3 3 9
SP REIFENWERKE GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 2 1 1 2 0 0 0 0 0 9
UNIROYAL GOODRICH TIRE COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 1 3 0 0 1 0 0 0 0 0 0 0 0 0 0 0 9
AM GENERAL CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 2 2 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 8
E. I. DU PONT DE NEMOURS AND COMPANY 2 1 0 0 0 0 1 1 0 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
GENERAL TIRE, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 3 2 0 0 0 0 0 0 0 0 0 8
KENNAMETAL INC. 1 0 1 0 3 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
MILLIKEN RESEARCH CORPORATION 1 0 2 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 8
MOTOR WHEEL CORPORATION 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 1 0 0 0 0 2 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 8
SCOVILL INC. 0 2 1 0 2 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
MONSANTO COMPANY, INC. 0 1 1 0 1 1 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
NESTE OY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
THE HYPER CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 2 2 0 0 0 0 7
ALLIED-SIGNAL INC. 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 0 1 0 0 0 0 0 0 0 0 0 6
BRIDGESTONE/FIRESTONE RESEARCH, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 0 0 6
CONFON AG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 3 0 0 0 0 0 0 0 1 0 0 6
EQUALAIRE SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 1 0 1 6
HUGHES AIRCRAFT COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 1 0 0 0 0 0 0 0 0 6
NAVISTAR INTERNATIONAL TRANSPORTATION CORP. 1 0 0 0 0 0 0 0 3 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
PPG INDUSTRIES INC. 1 0 0 1 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
SEDEPRO 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 0 0 0 1 1 0 0 6
SEMPERIT REIFEN AG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 6
TIRE INFLATION SYSTEMS CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 6
TOPY KOGYO KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 1 0 2 6
UNIROYAL GMBH 0 0 0 0 0 0 0 0 0 0 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
ARMSTRONG RUBBER COMPANY 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
AUTOTYP S.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 1 0 0 0 0 0 0 0 0 0 0 0 5
HUTCHINSON SOCIETE ANONYME 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 5
N.V. BEKAERT S.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 5
SEMPERIT AKTIENGESELLSCHAFT HOLDING 0 0 0 0 1 0 0 1 1 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
SIEPMANN-WERKE KG 0 0 2 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
UNITED STATES OF AMERICA, ARMY 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 5


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