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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 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 1998 1999 2000 2001 2002 Total
KIMBERLY-CLARK WORLDWIDE, INC. 14 13 29 32 36 124
VOITH SULZER PAPIERMASCHINEN GMBH 21 20 24 16 5 86
VOITH SULZER PAPIERTECHNIK PATENT GMBH 0 1 4 38 39 82
VALMET CORP. 19 15 9 25 10 78
PROCTER + GAMBLE COMPANY 24 18 19 9 6 76
~Individually Owned Patent 20 9 13 21 9 72
FORT JAMES CORPORATION 0 7 15 19 15 56
KVAERNER PULPING AKTIEBOLAG 8 7 19 11 5 50
BELOIT TECHNOLOGIES, INC. 11 17 11 3 0 42
VOITH SULZER PAPER TECHNOLOGY NORTH AMERICA, INC. 7 7 4 15 6 39
METSO PAPER, INC. 0 0 0 3 35 38
HERCULES INCORPORATED 4 4 5 10 8 31
NALCO CHEMICAL COMPANY 3 5 8 6 7 29
INTERNATIONAL PAPER CO. 5 7 6 7 3 28
VALMET-KARLSTAD AB 2 5 9 5 4 25
ANDRITZ-AHLSTROM INC. 0 0 5 13 5 23
AHLSTROM MACHINERY, INC. 7 5 7 0 0 19
WESTVACO CORPORATION 4 3 4 3 4 18
WEYERHAEUSER COMPANY 1 0 1 4 8 14
INSTITUTE OF PAPER SCIENCE AND TECHNOLOGY, INC. 1 2 2 2 6 13
ALBANY INTERNATIONAL CORPORATION 3 1 4 1 3 12
ANDRITZ-PATENTVERWALTUNGS-GESELLSCHAFT M.B.H. 1 1 1 4 5 12
ICHIKAWA CO., LTD. 0 2 2 6 2 12
AHLSTROM MACHINERY OY 6 2 3 0 0 11
BETZDEARBORN INC. 6 2 1 2 0 11
HONEYWELL-MEASUREX CORPORATION 1 3 6 1 0 11
KVAERNER PULPING TECHNOLOGIES AB 5 3 1 2 0 11
ANDRITZ INC. 0 0 0 0 10 10
E. I. DU PONT DE NEMOURS AND COMPANY 2 2 4 1 1 10
KAO KABUSHIKI KAISHA (KAO CORPORATION) 0 0 2 4 4 10
METSO PAPER KARLSTAD AB 0 0 0 0 10 10
BASF AKTIENGESELLSCHAFT 3 1 3 2 0 9
CIBA SPECIALTY CHEMICALS WATER TREATMENTS LIMITED 0 1 1 3 4 9
EKA CHEMICALS AB 3 3 3 0 0 9
J. M. VOITH GMBH 7 2 0 0 0 9
SCA HYGIENE PRODUCTS AB 0 2 0 0 7 9
ANDRITZ-AHLSTROM OY 0 0 3 2 3 8
CIBA SPECIALTY CHEMICALS CORPORATION 0 1 0 2 5 8
PULP AND PAPER RESEARCH INSTITUTE OF CANADA 2 1 1 2 2 8
SUNDS DEFIBRATOR INDUSTRIES AKTIEBOLAG 4 2 1 0 1 8
VALMET FIBERTECH AKTIEBOLAG 0 0 0 4 4 8
BASF CORP. 1 1 3 1 1 7
NIPPON PAPER INDUSTRIES CO., LTD. 3 3 1 0 0 7
TOKUSHU PAPER MANUFACTURING CO., LTD. 2 0 0 4 1 7
UNI-CHARM CORPORATION 0 0 1 6 0 7
VOITH PAPER PATENT GMBH 0 0 0 0 7 7
AKZO NOBEL NV 1 0 0 2 3 6
ALLIED COLLOIDS LIMITED 4 1 1 0 0 6
GEORGIA-PACIFIC CORPORATION 0 0 1 0 5 6
MARCAL PAPER MILLS, INC. 2 3 1 0 0 6
RANPAK CORPORATION 6 0 0 0 0 6
UNION CAMP PATENT HOLDINGS, INC. 2 2 1 1 0 6
AGA AB 0 2 1 1 1 5
BAYER AKTIENGESELLSCHAFT 2 0 2 1 0 5
MEAD CORPORATION 1 1 0 3 0 5
NATIONAL STARCH AND CHEMICAL INVESTMENT HOLDING CORPORATION 1 0 0 1 3 5
OWENS-CORNING FIBERGLAS CORPORATION 0 1 0 2 2 5
THERMO FIBERTEK INC. 1 3 1 0 0 5
VOITH PAPER, INC. 0 0 0 0 5 5


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