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

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2005 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 182, Fire Escape, Ladder, or Scaffold

( 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 Total
~Individually Owned Patent 90 63 75 53 84 72 82 63 56 90 54 54 79 38 58 98 90 118 102 84 90 91 110 106 60 100 74 75 80 111 129 102 67 95 78 99 80 3050
EMERSON ELECTRIC CO. 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 1 1 1 0 1 1 0 3 1 1 1 1 1 1 0 0 0 0 0 16
KRAUSE WERK GMBH & CO. KG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 1 0 1 0 0 0 2 6 0 1 0 0 0 0 15
D B INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 1 0 1 0 0 1 2 0 0 0 0 0 0 1 3 1 0 0 1 13
JLG INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 1 4 0 0 0 0 0 2 0 1 0 0 0 0 0 0 0 0 1 1 1 0 1 1 0 13
UP-RIGHT, INC. 1 0 1 0 0 2 1 0 0 0 1 1 0 1 0 0 0 1 1 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 13
COSCO MANAGEMENT, 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 1 0 4 2 1 4 12
SIMON ENGINEERING DUDLEY LIMITED 0 0 3 0 1 2 2 0 0 0 1 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
WHITE METAL ROLLING AND STAMPING CORP. 0 0 0 0 0 0 1 1 2 1 1 3 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
B. F. GOODRICH CO. 0 0 0 1 0 1 0 1 0 0 0 0 0 1 0 3 1 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 11
RAYMOND LEE ORGANIZATION 0 0 0 0 0 3 1 0 1 6 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 11
SINCO, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 2 0 1 0 0 0 0 0 1 1 0 0 0 0 11
CATERPILLAR INC. 1 0 0 0 0 1 1 3 1 1 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 0 0 10
GENIE INDUSTRIES, 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 2 3 1 2 1 0 0 0 10
PAUL KRISTEN, 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 1 2 2 3 1 1 0 0 10
ROSE MANUFACTURING COMPANY 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 1 2 0 0 10
WERNER CO. 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 2 2 0 2 0 0 0 0 0 10
R. D. WERNER CO., INC. 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 3 2 1 1 0 0 0 0 0 0 0 0 0 0 0 9
ZEDEL 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 2 1 1 1 9
FIGGIE INTERNATIONAL INC. 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 2 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 8
MORITA PUMP KABUSHIKI KAISHA 0 0 0 1 0 0 1 5 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 8
ALUMINUM LADDER COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 1 0 1 1 1 0 7
BIL-JAX, INC. 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 0 1 0 0 2 0 2 0 7
KIDDE INDUSTRIES, 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 1 1 0 1 0 0 0 1 0 0 0 0 0 7
MIYAMA KOGYO KABUSHIKI KAISHA 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 1 2 3 0 0 0 0 0 7
PERI GMBH 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 0 1 0 0 0 2 1 1 0 0 7
UNITED STATES OF AMERICA, ARMY 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 0 0 0 1 0 2 1 1 0 1 0 0 7
A. B. CHANCE CO. 1 1 1 0 1 1 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 0 0 0 0 0 6
BELLSOUTH INTELLECTUAL PROPERTY 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 0 0 0 0 0 0 0 0 6 6
COSCO, INC. 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 2 2 1 0 0 0 0 0 6
GK TECHNOLOGIES, INC. 0 0 1 2 0 0 1 0 1 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 0 0 6
JAPANIC CORPORATION 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 0 1 0 0 0 0 0 0 0 0 0 0 6
LAITRAM CORPORATION 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 6
LITTLE GIANT INDUSTRIES INC. 0 0 0 0 0 0 0 0 1 0 0 1 1 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
MATERIAL CONTROL, INC. 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 0 1 0 0 0 1 0 1 0 0 6
STEP-ON INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
AMERICAN ESCAPE 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 0 0 0 0 0 0 0 0 0 0 4 1 5
ANDRAL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
FROST ENGINEERING DEVELOPMENT CORPORATION 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
FULTON INDUSTRIES, INC. 0 0 0 0 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 0 0 0 0 0 0 0 5
GROVE U.S. L.L.C. 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 3 0 0 0 5
LAWRENCE PESKA ASSOCIATES, INC. 0 0 0 0 0 0 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 0 0 0 0 0 5
MCCABE-POWERS BODY COMPANY 1 0 0 1 0 2 0 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 5
SPIDER STAGING, INC. 0 0 0 2 0 0 0 0 0 1 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
SUMMIT SPECIALTIES, 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 4 0 0 1 0 0 0 5


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