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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 - 2006 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 162, Paper Making and Fiber Liberation

( 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 Total
~Individually Owned Patent 17 15 21 24 15 27 18 10 9 17 11 23 11 8 3 9 14 9 11 12 14 16 14 11 18 14 12 15 11 20 9 13 21 9 9 6 4 7 507
KIMBERLY-CLARK WORLDWIDE, 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 7 14 13 29 32 36 33 34 34 16 248
BELOIT CORPORATION 10 11 32 3 6 21 10 2 3 7 8 12 11 9 4 6 9 4 3 8 11 14 11 12 0 0 0 0 0 0 0 0 0 0 0 0 0 0 227
PROCTER + GAMBLE COMPANY 0 3 2 0 0 0 2 3 0 3 2 2 2 1 0 3 2 0 2 2 1 3 6 3 9 8 12 14 15 24 18 19 9 6 9 5 4 9 203
J. M. VOITH GMBH 1 1 2 1 2 2 1 7 4 3 0 4 4 5 4 0 4 5 4 3 9 10 6 10 9 8 9 18 9 7 2 0 0 0 0 0 0 0 154
INTERNATIONAL PAPER CO. 1 2 3 2 6 7 4 3 4 1 4 3 2 0 4 3 2 5 1 4 4 4 0 4 4 2 5 2 6 5 7 6 7 3 4 3 1 4 132
METSO PAPER, 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 3 35 20 28 25 17 128
VALMET CORP. 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 25 19 15 9 25 10 3 1 0 0 118
VOITH SULZER PAPIERMASCHINEN 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 1 4 17 21 20 24 16 5 3 1 1 0 113
WESTVACO CORPORATION 2 4 2 5 4 6 6 5 2 2 2 3 1 1 2 1 4 3 3 2 5 3 0 0 1 6 6 5 7 4 3 4 3 4 0 0 0 0 111
VALMET OY 2 0 0 0 0 4 3 8 9 5 9 9 3 1 5 6 12 13 8 7 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 109
VOITH SULZER PAPIERTECHNIK PATENT 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 4 38 39 6 2 3 1 94
NALCO CHEMICAL COMPANY 1 0 0 0 0 0 2 0 0 1 3 2 7 1 3 1 2 0 1 1 2 3 0 4 8 1 8 6 2 3 5 8 6 7 0 0 0 0 88
WEYERHAEUSER COMPANY 1 0 1 0 0 0 0 1 0 1 2 4 11 3 0 0 2 2 1 1 4 1 0 1 1 3 1 1 2 1 0 1 4 8 10 7 1 10 86
HERCULES INCORPORATED 3 0 3 0 4 0 0 1 1 0 4 0 3 1 0 2 4 1 1 0 0 1 1 2 1 5 2 2 3 4 4 5 10 8 4 2 0 0 82
MO OCH DOMSJO AKTIEBOLAG 2 3 3 6 3 2 2 5 5 3 3 6 3 2 2 4 3 5 1 4 2 3 2 0 1 1 2 0 1 0 0 2 1 0 0 0 0 0 82
BELOIT TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 3 7 6 11 11 17 11 3 0 0 0 0 0 79
FORT JAMES 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 7 15 19 15 9 7 3 4 79
KIMBERLY-CLARK CORPORATION 6 5 2 6 1 3 0 0 0 0 1 0 1 2 0 2 1 1 2 0 3 1 9 5 3 1 2 13 5 1 0 2 1 0 0 0 0 0 79
VALMET PAPER MACHINERY INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 13 10 15 11 1 11 7 3 2 0 0 2 0 0 0 0 0 79
KAMYR INC. 0 0 0 0 0 1 1 0 2 6 3 3 1 0 0 2 1 2 1 3 3 5 5 5 7 8 13 5 0 0 0 0 0 0 0 0 0 0 77
VOITH PAPER PATENT 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 0 0 0 8 20 19 16 14 77
ALBANY INTERNATIONAL CORPORATION 0 0 0 0 0 1 1 0 1 0 0 0 4 2 2 3 2 1 1 1 2 2 1 2 1 2 0 0 0 3 1 4 1 3 3 8 4 14 70
KVAERNER PULPING AKTIEBOLAG 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 8 7 19 11 5 2 2 4 2 65
BLACK CLAWSON CO. 3 2 9 0 5 0 3 2 0 2 1 0 2 2 1 2 1 1 1 1 1 1 1 2 4 1 3 1 0 1 0 0 0 0 0 0 0 0 53
DOW CHEMICAL COMPANY 6 1 6 5 3 0 1 1 2 2 1 7 1 0 2 1 0 1 1 1 3 0 1 1 0 0 1 0 1 0 1 1 0 0 0 0 0 0 51
E. I. DU PONT DE NEMOURS AND COMPANY 3 1 0 0 1 0 0 2 0 0 0 0 0 0 0 1 1 0 0 0 4 5 9 4 2 0 2 2 2 2 2 4 1 1 0 2 0 0 51
PULP AND PAPER RESEARCH INSTITUTE OF CANADA 1 0 6 5 2 1 1 0 0 0 0 0 1 1 1 1 1 0 0 0 4 0 1 3 1 4 2 1 3 2 1 1 2 2 2 0 0 1 51
SCOTT PAPER CO. 3 0 4 1 6 8 2 0 1 2 2 1 1 0 2 1 2 0 1 1 3 3 2 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 48
BASF AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 0 2 2 1 0 0 1 2 0 0 0 4 3 4 0 3 2 1 0 2 3 3 1 3 2 0 3 3 1 0 46
VOITH SULZER PAPER TECHNOLOGY NORTH AMERICA, 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 0 1 7 7 4 15 6 3 0 0 0 44
KAMYR AKTIEBOLAG 0 0 0 0 3 4 0 3 3 3 2 0 0 0 1 1 1 0 4 0 0 4 3 3 4 1 1 0 1 0 0 0 0 0 0 0 0 0 42
ESCHER WYSS GMBH 1 0 0 0 1 0 2 4 4 5 5 3 1 1 4 9 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 41
KAO KABUSHIKI KAISHA (KAO CORPORATION) 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 4 1 0 3 0 0 2 4 4 10 3 3 5 41
A. AHLSTROM CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 0 5 4 9 5 8 1 1 0 0 0 0 0 0 0 0 39
SULZER-ESCHER WYSS GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 4 1 2 7 4 3 5 6 3 1 1 1 0 0 0 0 0 0 0 0 39
AHLSTROM MACHINERY, 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 6 10 7 5 7 0 0 0 0 0 0 35
OY TAMPELLA AB 0 0 1 4 0 2 0 1 0 2 1 1 0 0 1 2 3 0 2 0 3 9 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 35
VALMET-KARLSTAD AB 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 2 3 1 2 5 9 5 4 0 0 0 0 34
AMERICAN CYANAMID COMPANY 2 2 4 4 5 0 2 1 0 1 2 1 0 0 0 0 2 1 0 0 1 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32
ARMSTRONG WORLD INDUSTRIES, INC. 4 3 2 0 2 0 0 1 3 0 1 2 3 0 0 1 0 0 0 1 2 1 1 1 0 1 1 0 0 0 0 0 0 0 0 2 0 0 32
METSO PAPER KARLSTAD AB 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 6 8 3 4 31
JAMES RIVER CORPORATION OF VIRGINIA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 4 5 3 4 4 7 0 1 0 0 0 0 0 0 0 30
ICHIKAWA CO., LTD. 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 6 2 2 5 4 5 28
CROWN ZELLERBACH CORPORATION 3 0 1 1 1 1 5 0 2 2 1 0 0 3 3 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 26
UNION CAMP PATENT HOLDINGS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 4 0 5 3 2 2 2 1 1 0 0 0 0 0 26
BETZ LABORATORIES INC. 0 0 0 0 0 0 5 2 0 0 0 0 2 0 0 0 0 0 2 3 4 1 1 0 0 1 2 1 1 0 0 0 0 0 0 0 0 0 25
BETZ PAPERCHEM, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 6 6 3 3 3 0 0 0 0 0 0 0 0 0 0 25
EKA NOBEL AB 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 0 2 0 3 1 4 5 1 1 1 0 1 0 0 0 0 25
UNITED STATES OF AMERICA, DEPARTMENT OF AGRICULTURE 3 3 0 0 1 1 0 0 0 0 2 0 0 0 1 0 0 1 0 2 0 0 1 0 1 1 1 3 2 2 0 0 0 0 0 0 0 0 25
BAYER AKTIENGESELLSCHAFT 1 1 1 1 0 0 2 0 0 0 1 0 1 1 1 1 0 1 2 1 0 1 0 1 0 0 0 1 1 2 0 2 1 0 0 0 0 0 24
MAC MILLAN BLOEDEL LIMITED 0 1 0 1 1 2 1 0 1 2 1 0 0 0 0 0 1 0 0 0 0 0 0 1 3 1 0 6 2 0 0 0 0 0 0 0 0 0 24
MITSUBISHI JUKOGYO KABUSHIKI KAISHA 0 0 1 1 0 0 1 0 0 0 0 0 0 0 1 2 1 1 3 1 1 0 0 0 2 0 3 4 1 0 1 0 0 0 0 0 0 0 24
ANDRITZ 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 10 8 1 2 2 23
ANDRITZ-AHLSTROM 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 5 13 5 0 0 0 0 23
CHAMPION INTERNATIONAL CORPORATION 0 0 1 0 1 1 0 0 3 0 0 1 0 1 2 1 2 0 0 0 1 0 3 0 0 1 0 1 1 1 1 1 0 0 0 0 0 0 23
KVAERNER PULPING TECHNOLOGIES AB 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 6 5 3 1 2 0 0 0 0 0 23
AB KARLSTADS MEKANISKA WERKSTAD 0 2 3 1 0 4 0 0 1 3 1 3 0 1 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 22
MEAD CORPORATION 0 1 1 0 1 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 2 0 0 1 0 2 4 0 0 1 1 0 3 0 2 0 0 0 22
AIR PRODUCTS AND CHEMICALS, INC. 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 4 6 5 2 1 0 0 0 0 0 0 0 0 0 21
GEORGIA-PACIFIC CORPORATION 0 1 2 0 1 0 1 1 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 5 1 2 1 1 21
JWI LTD. 0 0 1 1 2 1 1 1 2 1 2 0 0 0 2 0 0 0 0 0 0 0 1 2 0 0 0 0 2 2 0 0 0 0 0 0 0 0 21
NATIONAL STARCH AND CHEMICAL CORPORATION 1 0 1 0 3 1 0 1 3 1 0 2 3 1 0 0 0 0 0 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
SUNDS DEFIBRATOR AKTIEBOLAG 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2 0 2 2 4 2 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
A. AHLSTROM OSAKEYHTIO 0 0 0 1 0 2 2 2 2 1 0 1 1 0 1 2 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19
ALLIED COLLOIDS LIMITED 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 2 0 0 3 0 0 3 2 4 1 1 0 0 0 0 0 0 19
CIBA-GEIGY CORPORATION 0 1 2 1 0 0 0 0 0 0 2 1 2 0 0 0 1 2 0 3 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 19
UNITED STATES GYPSUM COMPANY 1 1 1 0 0 0 2 0 0 0 0 1 0 0 3 2 1 0 1 0 2 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 19
INSTITUTE OF PAPER SCIENCE AND TECHNOLOGY, INC. 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 0 0 1 0 1 2 2 2 6 2 0 0 0 18
NATIONAL STARCH AND CHEMICAL INVESTMENT HOLDING CORPORATION 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 2 1 1 0 0 1 3 3 2 1 1 18
AKZO NOBEL NV 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 0 0 2 3 2 4 4 0 17
ALLIS-CHALMERS CORPORATION 1 6 4 3 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 0 0 0 17
CALGON CORPORATION 0 0 1 2 2 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 1 3 1 0 0 0 1 0 1 0 0 0 17
DOMTAR INC. 0 0 0 0 0 0 0 0 0 0 0 2 2 2 1 0 0 0 0 2 0 0 1 2 0 2 0 1 0 0 0 0 0 2 0 0 0 0 17
GAF CHEMICALS CORPORATION 0 0 0 0 0 1 1 1 0 1 4 2 3 0 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17
OJI PAPER CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 0 0 1 1 0 1 1 3 0 0 0 0 0 0 0 0 2 1 1 1 1 0 17
OWENS-ILLINOIS INC. 1 5 2 2 0 3 1 1 0 0 0 1 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 17
W. R. GRACE & CO.-CONN. 3 1 0 2 0 0 0 0 0 0 0 2 0 1 0 0 0 2 1 0 0 1 0 0 1 2 0 0 1 0 0 0 0 0 0 0 0 0 17
WIGGINS TEAPE LIMITED 0 0 0 0 1 1 2 2 0 0 0 1 1 1 0 1 0 1 0 1 1 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17
HOOKER CHEMICALS & PLASTICS CORP. 3 2 1 0 0 0 4 2 1 1 0 0 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 16
MONSANTO COMPANY, INC. 3 0 3 0 0 0 1 0 0 0 3 0 0 0 0 0 0 2 0 0 1 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 16
SUNDS DEFIBRATOR INDUSTRIES AKTIEBOLAG 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 1 3 0 4 2 1 0 1 0 0 0 0 16
ANDRITZ 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 0 0 2 4 8 0 1 15
ASTEN GROUP, INC. 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 2 2 1 2 1 1 0 1 0 2 0 1 0 0 0 0 0 0 15
FELDMUHLE AKTIENGESELLSCHAFT 1 0 1 5 2 0 0 0 0 1 0 0 0 0 0 1 2 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15
FMC CORPORATION 4 2 0 1 0 2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 2 0 0 0 0 0 0 0 15
HUYCK CORPORATION 1 2 1 2 2 0 0 0 0 3 0 0 1 0 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 15
JOHNS-MANVILLE CORPORATION 3 0 3 1 0 1 1 3 0 2 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 15
MEASUREX CORPORATION 0 0 0 1 0 0 1 0 1 1 0 0 0 0 0 0 1 0 1 0 0 1 3 4 0 0 0 0 0 0 1 0 0 0 0 0 0 0 15
BETZDEARBORN 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 2 6 2 1 2 0 0 0 0 0 14
CANADIAN INTERNATIONAL PAPER CO. 3 1 3 0 2 1 0 0 1 1 0 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 14
DOMINION ENGINEERING WORKS LIMITED 0 1 1 2 1 2 1 2 0 1 1 0 1 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 14
IMPROVED MACHINERY INC. 2 0 4 1 4 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 0 0 14
MITSUBISHI PAPER MILLS, LTD. 0 0 0 0 0