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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2007 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 070, Locks

( 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 2005 2006 2007 Total
~INDIVIDUALLY OWNED PATENT 82 53 93 79 102 118 102 88 89 101 54 65 77 70 49 68 63 76 118 112 139 116 123 102 104 105 122 103 128 174 170 104 92 121 128 96 86 79 58 3809
TOKAI RIKA DENKI SEISAKUSHO K.K. 0 1 1 2 0 1 1 0 2 0 0 0 0 1 0 2 0 0 0 2 0 5 3 2 2 4 0 2 2 4 2 3 1 4 2 2 3 5 7 66
SCHLAGE LOCK COMPANY 2 2 2 1 3 4 3 2 1 8 0 0 0 0 0 2 0 2 0 0 2 0 1 0 0 0 0 1 4 5 1 1 1 0 12 0 1 1 1 63
MASTER LOCK COMPANY LLC 8 1 2 3 3 4 1 3 1 0 0 2 0 0 0 0 0 1 0 1 0 0 2 1 1 0 0 1 1 3 0 1 2 5 2 2 5 1 4 61
PRESTO LOCK CO. DIVISION OF KIDDE, WALTER, + COMPANY, INC. 3 2 1 0 3 3 3 6 2 2 1 0 3 10 9 2 1 1 3 1 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 59
GENERAL MOTORS CORPORATION 3 1 13 3 3 2 2 2 0 3 0 2 2 0 0 2 2 1 1 2 0 2 1 1 2 1 1 2 0 2 1 0 0 0 0 0 0 0 0 57
BEST LOCK CORPORATION 0 2 2 0 2 3 1 1 1 0 0 2 4 2 2 5 3 0 3 3 4 1 3 1 1 1 1 0 1 1 1 1 0 1 0 1 0 0 0 54
EASTERN COMPANY 0 0 0 1 1 0 0 0 0 0 3 0 0 8 1 1 0 2 4 0 5 2 2 0 3 0 0 4 3 1 2 0 1 2 4 0 1 1 1 53
SARGENT + GREENLEAF, INC. 0 1 0 0 3 1 0 3 1 5 1 2 3 2 3 1 1 1 2 3 2 1 1 1 0 0 2 1 2 2 0 2 2 0 0 0 0 0 0 49
EMHART INDUSTRIES, INC. 1 2 1 2 1 6 1 3 1 3 1 3 0 1 0 1 1 1 2 1 3 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 37
NISSAN MOTOR COMPANY, LIMITED 0 0 1 1 0 2 0 0 0 1 0 0 0 1 1 5 1 1 0 3 0 2 2 2 1 0 0 2 2 3 1 0 0 4 0 0 0 0 0 36
STRATTEC SECURITY 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 3 0 2 4 0 4 1 5 6 4 4 3 0 36
CHICAGO LOCK CO. 0 1 1 2 1 2 1 3 2 6 1 3 1 1 1 1 0 1 1 2 2 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 35
FORT LOCK CORPORATION 0 1 0 0 3 1 0 1 1 0 0 0 0 2 1 0 0 1 0 1 2 1 0 1 2 2 2 3 4 0 4 1 0 0 0 0 0 0 0 34
DAIMLER-BENZ AKTIENGESELLSCHAFT 0 0 0 1 2 0 1 0 0 0 1 3 3 0 0 1 0 1 1 3 3 3 4 1 2 0 1 0 0 0 1 1 0 0 0 0 0 0 0 33
TAIWAN FU HSING INDUSTRIAL CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 2 0 1 1 0 2 1 1 2 3 7 4 4 1 0 33
ACCO BRANDS, 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 2 4 4 3 2 5 2 1 6 3 32
MEDECO SECURITY LOCKS, INC. 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 1 2 2 2 0 4 2 0 1 1 1 1 2 1 4 0 2 1 0 1 0 0 31
TAKIGEN MANUFACTURING CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 12 3 0 0 0 0 0 4 5 3 2 0 0 31
OY WARTSILA AB 0 2 4 3 1 1 0 3 0 1 0 3 1 4 1 1 2 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 30
KEYSTONE CONSOLIDATED INDUSTRIES, INC. 7 4 3 2 2 3 0 1 2 1 0 1 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 29
NEIMAN, S.A. 0 0 0 0 0 0 0 0 2 5 2 1 3 1 1 0 2 6 2 2 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 29
HUF HULSBECK & FURST GMBH & CO KG 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 1 0 3 7 8 2 3 2 27
EMHART 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 1 4 0 3 2 4 2 4 0 1 0 0 0 0 0 21
EVVA-WERK SPEZIALERZEUGUNG VON ZYLINDER- UND SICHERHEITSSCHLOSSERN GESELLSCHAFT M.B.H. & CO. KG 0 0 0 0 0 0 0 0 0 1 1 2 2 0 1 2 1 2 3 0 0 1 0 0 0 0 0 0 1 1 0 0 0 1 1 1 0 0 0 21
BRIGGS + STRATTON CORPORATION 1 2 1 0 2 2 0 0 2 0 0 0 0 0 0 0 1 0 0 0 0 1 0 1 2 3 1 1 0 0 0 0 0 0 0 0 0 0 0 20
NEWFREY 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 0 3 1 6 5 5 20
LONG MANUFACTURING CO., INC. 3 1 3 2 2 1 1 2 1 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 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 1 0 0 0 0 0 1 0 0 0 0 0 0 0 2 1 0 2 0 1 0 0 0 0 2 2 2 1 0 0 2 0 0 1 0 18
LA GARD, INC. 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 4 1 0 1 0 1 2 2 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 17
S. FRANZEN SOHNE (GMBH & CO.) 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 1 0 2 3 1 3 0 0 0 1 1 0 0 0 0 0 0 0 1 0 1 0 0 0 17
ASSA AB 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 3 0 1 0 1 2 0 1 4 0 0 0 16
NORRIS INDUSTRIES, INC. 0 3 1 1 2 0 0 1 0 3 1 0 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 0 16
SOUTHCO INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 2 2 0 2 1 0 1 4 3 16
YOSHIDA KOGYO KABUSHIKI KAISHA 0 0 0 0 0 0 1 0 1 0 0 0 2 0 0 1 0 1 0 0 0 5 1 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 16
ALPHA 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 2 1 3 1 2 1 1 0 1 0 1 0 1 1 0 15
ARMAMENT SYSTEMS & PROCEDURES, 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 1 2 0 2 1 1 0 0 0 0 1 6 1 15
FICHET-BAUCHE 1 0 0 0 0 0 0 0 1 2 0 2 1 1 0 3 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15
MITSUI KINZOKU KOGYO K.K. 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 0 1 0 5 2 2 3 0 0 0 0 0 0 0 15
SARGENT MANUFACTURING CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 2 1 1 2 0 1 1 3 1 0 15
AISIN SEIKI KABUSHIKI KAISHA 0 0 1 0 0 0 0 0 0 0 0 0 0 7 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0 14
AUG/WINKHAUS 0 0 0 0 1 1 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 2 1 1 1 2 1 0 0 0 0 1 0 0 0 0 0 0 0 14
BAUER KABA AG SICHERHEITS-SCHLIESSYTEME 0 0 0 0 0 0 0 0 2 2 0 0 1 1 0 0 0 1 0 4 1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 14
MAS-HAMILTON GROUP, 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 2 0 0 1 1 1 4 4 1 0 0 0 0 0 0 14
TALLERES DE ESCORIAZA S.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 1 0 2 1 2 0 1 1 0 1 1 1 14
VALEO SECURITE HABITACLE 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 1 2 3 4 2 1 0 0 0 14
EATON CORPORATION 2 2 1 1 2 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 13
FORD MOTOR COMPANY 3 0 0 1 2 3 1 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
ILCO UNICAN INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 2 2 0 1 2 2 0 0 1 1 0 0 0 0 0 0 0 0 13
JOHN D. BRUSH + CO., INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 2 0 0 1 1 0 0 0 1 1 0 0 1 1 0 0 0 0 2 1 0 13
OMCO INC. 0 0 0 0 0 1 0 0 0 0 0 0 1 0 3 3 3 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
ROBERT BOSCH GMBH 0 0 1 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 0 0 2 1 1 1 3 0 0 1 13
SCHULTE-SCHLAGBAUM AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 6 0 0 2 0 1 0 0 0 0 1 0 0 0 0 0 0 13
TONG LUNG METAL INDUSTRY CO., LTD. 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 1 1 2 1 0 1 1 0 1 0 0 1 0 13
DOM-SICHERHEITSTECHNIK GMBH + CO. KG 0 0 0 0 0 0 0 0 0 2 0 0 1 0 2 0 0 0 0 1 2 1 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 12
GKN STENMAN AB 0 0 0 0 0 0 1 1 0 1 0 1 2 1 1 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
HUDSON LOCK, INC. 0 0 0 0 1 0 3 1 2 0 0 1 1 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
OGDEN INDUSTRIES PTY. LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 2 1 2 1 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
RAYMOND LEE ORGANIZATION 0 0 0 0 0 3 2 3 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 0 0 0 0 0 0 12
SUPRA PRODUCTS, INC. 0 0 0 0 0 1 0 0 0 1 0 0 0 1 1 0 0 1 0 0 1 2 0 1 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 12
TRE CORPORATION 0 1 0 1 0 0 0 2 1 0 0 0 1 1 1 2 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
WINNER INTERNATIONAL ROYALTY 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 1 1 3 5 2 0 0 0 0 0 0 0 0 12
ZEISS IKON AG 0 0 0 0 0 0 1 0 0 0 0 1 1 1 0 1 0 2 3 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
KIEKERT AKTIENGESELLSCHAFT 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 2 1 4 2 0 0 1 0 0 0 0 11
KRYPTONITE CORPORATION 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 0 0 0 0 3 0 2 1 3 0 0 0 0 0 11
SINOX COMPANY, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 1 4 11
THE SUN LOCK 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 0 0 0 0 0 0 2 0 2 0 3 1 1 2 11
ALPHA SECURITY PRODUCTS, 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 0 0 0 0 2 2 1 5 10
C & M TECHNOLOGY, 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 1 1 2 1 0 1 0 2 1 0 0 1 10
CATERPILLAR INC. 0 0 0 0 0 0 0 0 1 2 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 1 0 0 0 0 0 0 10
MCGARD, INC. 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 4 0 1 0 1 0 0 0 10
U-SHIN LTD. 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 0 0 1 0 0 0 1 0 3 3 1 0 10
UNITED STATES OF AMERICA, NAVY 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 2 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 10
E. J. BROOKS COMPANY 0 0 0 0 0 0 0 0 3 0 1 1 1 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 9
HONDA LOCK MFG. CO., LTD. 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 1 1 0 0 0 0 2 0 2 9
KIEKERT GMBH & CO. KOMMANDITGESELLSCHAFT 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 1 0 0 2 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
KOKUSAN KINZOKU KOGYO KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2 0 2 1 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
MOSLER SAFE COMPANY 2 1 0 2 3 0 0 0 0 0 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 0 9
PORSCHE AG 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 2 0 1 1 1 0 0 0 0 0 0 0 0 1 1 9
REGIE NATIONALE DES USINES RENAULT 2 1 1 0 2 0 0 0 0 0 0 0 0 1 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 9
STAR LOCK SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 0 1 0 0 1 0 0 0 1 1 1 0 0 0 9
VDO ADOLF SCHINDLING AG 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 0 1 0 0 0 1 0 0 0 0 0 1 1 0 1 0 1 0 0 0 0 9
ABLOY OY 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 1 1 0 2 2 0 1 8
ALPHA ENTERPRISES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 2 2 2 0 0 0 0 0 0 0 8
BMR SECURITY PRODUCTS CORP. 0 0 0 0 0 2 2 1 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 0 0 8
CLOVER CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 8
COMPX INTERNATIONAL, 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 1 3 0 1 2 1 0 0 0 8
DELL PRODUCTS, L.P. 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 2 0 0 1 0 3 1 0 0 0 0 8
FERCO INTERNATIONAL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 1 0 4 0 0 0 0 0 0 8
ILCO UNICAN CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 1 0 3 1 0 0 0 0 0 0 0 8
INGERSOLL LOCKS LIMITED 1 2 2 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0</