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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 055, Gas Separation

( 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 14 19 20 20 29 31 35 23 16 18 26 23 27 18 13 19 20 19 23 25 27 23 30 31 28 9 15 25 17 35 36 28 33 24 30 29 16 874
DONALDSON COMPANY, INC. 1 0 3 2 3 1 1 0 0 0 7 7 3 4 1 3 6 1 4 2 2 3 1 0 3 1 4 4 7 10 11 9 9 9 9 6 6 143
AMERICAN AIR FILTER COMPANY, INC. 7 6 6 2 8 4 2 4 4 3 3 1 12 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 64
FILTERWERK MANN + HUMMEL GMBH 0 0 0 0 0 0 0 0 0 0 1 3 0 0 0 0 0 2 0 0 0 0 3 4 0 0 1 1 2 5 3 5 6 2 8 3 2 51
CARL FREUDENBERG 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2 7 5 6 0 0 0 28
GENERAL MOTORS CORPORATION 2 0 2 0 0 0 0 1 0 0 1 2 7 1 2 2 1 0 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 2 0 1 0 28
PALL CORPORATION 0 1 1 0 0 1 3 1 0 0 1 0 0 0 0 0 1 0 0 1 0 1 0 1 1 1 3 3 0 0 0 1 0 2 3 1 1 28
SAMSUNG KWANG-JU ELECTRONICS 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 0 0 0 3 13 4 4 24
NELSON INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 1 4 9 4 0 0 23
NGK INSULATORS LTD. 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 1 2 0 1 0 1 0 1 2 4 2 0 0 0 1 0 2 3 23
NIPPONDENSO CO., LTD. 0 0 0 0 0 0 1 0 0 3 0 0 2 1 0 1 3 1 3 2 0 1 0 0 1 0 1 1 1 1 0 0 0 0 0 0 0 23
DANA 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 1 1 1 2 0 3 4 2 2 1 1 3 0 21
DELBAG-LUFTFILTER GMBH 0 2 6 2 2 3 1 0 0 0 0 2 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
COMBUSTION ENGINEERING INC. 0 1 2 0 3 4 1 1 0 0 1 1 1 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 0 19
CARRIER CORPORATION 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 1 3 2 0 1 4 1 1 18
CORNING INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 3 2 1 2 2 18
MINNESOTA MINING AND MANUFACTURING COMPANY 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 2 1 1 1 6 1 2 0 0 0 0 0 0 18
3M INNOVATIVE PROPERTIES 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 5 1 3 1 4 3 17
BHA GROUP HOLDINGS, INC. 0 0 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 1 3 1 1 1 3 0 3 1 17
GENERAL ELECTRIC COMPANY 4 0 2 1 3 0 1 0 2 0 0 0 2 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17
STUDLEY PAPER COMPANY, INC. 8 2 2 0 2 0 2 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 17
WESTINGHOUSE ELECTRIC CORP. 0 0 1 1 1 1 0 0 1 0 0 0 0 2 0 0 1 3 2 1 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 0 0 17
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 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 0 2 0 1 1 3 1 1 3 1 16
FARR COMPANY 0 1 1 1 0 4 0 0 0 0 1 0 0 3 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 15
SHELL OIL COMPANY 1 1 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 2 0 1 1 1 0 0 1 1 0 0 0 1 1 0 0 0 0 0 1 15
AKTIEBOLAGET ELECTROLUX 1 1 0 0 2 1 1 0 0 0 0 0 3 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 14
ALLIED-SIGNAL INC. 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 4 3 1 2 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 14
FLEETGUARD, 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 0 0 0 1 0 1 3 4 4 14
WHIRLPOOL CORPORATION 0 0 0 2 1 1 2 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 2 0 0 2 14
ALLIS-CHALMERS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 1 5 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
BABCOCK & WILCOX COMPANY 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 1 1 0 0 0 2 0 0 0 0 0 1 2 0 0 3 13
DEERE + COMPANY 1 0 0 0 0 1 0 0 0 0 1 1 1 0 0 1 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 0 1 1 1 1 13
NOTETRY LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 3 0 0 0 0 0 2 3 0 1 1 0 0 0 13
FLANDERS FILTERS, INC. 1 1 0 0 0 0 0 1 0 1 0 1 0 0 0 0 1 2 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
FOSTER WHEELER ENERGY INTERNATIONAL, INC. 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 1 3 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 12
INGERSOLL-RAND COMPANY 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 2 0 0 0 0 1 3 2 0 1 0 0 0 0 1 12
MINE SAFETY APPLIANCES CO. 0 1 2 0 0 1 2 0 0 0 1 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 12
PNEUMAFIL CORPORATION 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 1 0 0 0 1 1 3 1 0 1 0 0 0 1 0 0 0 0 0 0 0 12
SIEMENS WESTINGHOUSE POWER 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 2 2 2 5 1 0 0 12
SUMITOMO ELECTRIC INDUSTRIES 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 1 2 0 2 4 2 0 0 1 0 0 12
THE HOOVER COMPANY 0 0 0 0 0 0 1 0 0 0 0 1 0 1 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 2 1 0 0 12
UNITED TECHNOLOGIES CORPORATION 2 1 0 0 1 1 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 2 0 1 0 0 0 0 0 12
AAF 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 2 0 2 5 1 1 0 0 0 11
AIR PREHEATER COMPANY, INC. 0 0 2 0 1 0 0 1 0 1 1 0 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
AVCO CORPORATION 0 1 1 1 3 0 0 1 0 0 0 0 2 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
NIPPON SOKEN, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 5 2 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 11
SINGER COMPANY 0 0 1 2 1 1 0 1 0 0 0 0 0 0 0 0 1 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
VORWERK + CO. INTERHOLDING GMBH 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 2 1 0 0 3 0 1 0 0 1 1 0 0 0 0 0 0 11
DENSO 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 1 0 0 0 2 0 5 2 10
EBARA 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 1 0 0 0 1 0 0 1 2 2 3 0 10
FLEX-KLEEN CORPORATION 0 0 0 0 0 1 1 1 0 0 0 0 2 0 0 4 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 10
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 0 0 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 1 1 0 0 1 0 1 0 0 0 0 0 10
TOYODA BOSHOKU 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 1 1 2 0 0 1 1 0 4 0 10
HOME CARE INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 1 0 3 2 0 0 0 0 0 0 0 9
KIORITZ CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 2 0 2 0 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 9
LUWA AG 1 0 2 0 1 0 0 0 1 1 1 1 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 9
ROBERT BOSCH GMBH 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 9
SCOTT + FETZER COMPANY 0 0 0 0 0 0 0 0 0 1 0 0 0 3 0 0 1 0 0 0 1 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 9
SHOP-VAC CORPORATION 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 2 1 2 0 0 0 9
TOYO ROKI SEIZO KABUSHIKI KAISHA 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 0 0 0 0 0 0 1 2 0 3 1 9
AB SVENSKA FLAKTFABRIKEN 1 0 1 0 0 0 1 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 8
DAIMLER-BENZ AKTIENGESELLSCHAFT 0 0 0 0 1 0 0 0 1 0 0 1 0 2 0 0 0 0 0 0 0 0 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 8
FORD MOTOR COMPANY 3 0 2 0 1 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 0 0 0 0 0 0 8
LG ELECTRONICS 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 2 3 2 1 8
MONSANTO COMPANY, INC. 0 0 0 0 0 0 1 0 1 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 8
NORDSON CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 2 0 0 0 1 1 0 1 8
ROLLS-ROYCE PLC 0 0 1 0 0 0 0 0 1 0 0 0 1 0 1 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 8
SIEMENS AKTIENGESELLSCHAFT 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 1 0 0 0 1 1 0 8
UOP 2 1 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 0 1 0 1 0 0 2 0 8
W. L. GORE & ASSSOCIATES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 1 0 1 2 0 1 0 0 0 0 0 0 0 8
ANDREAS STIHL AG & 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 0 0 0 0 0 0 0 1 2 2 1 1 7
CAMBRIDGE FILTER CORPORATION 0 1 1 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
EMERSON ELECTRIC CO. 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 1 0 1 0 0 7
ENVIROTECH CORPORATION 0 0 0 0 1 2 0 2 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 0 7
G.B.D. 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 0 0 0 0 1 0 1 3 1 1 7
HELICAL DYNAMICS, 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 0 0 0 0 0 0 0 0 7
HEPA CORPORATION 0 0 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 0 1 0 3 0 1 0 0 7
HITACHI, LTD 1 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2 0 0 0 0 0 7
HONEYWELL 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 0 1 3 0 1 1 1 7
NUSTEP TRENNDUSEN ENTWICKLUNGSUND PATENTVERWERTUNGSGESELLSCH 0 0 0 0 0 0 0 0 0 1 0 2 1 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
PHILLIPS PETROLEUM COMPANY 1 0 2 1 0 0 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 7
PPG INDUSTRIES INC. 0 0 0 0 1 2 3 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 0 0 7
ROCKWELL INTERNATIONAL CORPORATION 2 0 1 1 0 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 0 7
STANDARD HAVENS, INC. 0 0 0 0 0 0 1 0 0 1 1 0 0 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
TENNANT COMPANY 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 1 0 2 0 0 0 7
TOYOTA JIDOSHA K.K. 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 0 1 1 7
UNITED STATES OF AMERICA, ARMY 0 0 0 0 0 0 0 1 1 0 0 1 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 7
AIR KONTROL, 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 0 0 0 1 0 1 2 1 0 0 0 0 0 6
AMERICAN FARM IMPLEMENT & SPECIALTY, 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 0 0 1 1 0 0 0 0 1 1 0 1 0 6
AMWAY CORPORATION 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 0 4 0 0 0 0 0 0 0 6
COMMISSARIAT A L'ENERGIE ATOMIQUE 1 0 0 0 0 0 0 0 0 0 1 0 1 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
DAIKIN INDUSTRIES LIMITED 0 0 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 0 0 0 3 0 1 1 6
E. I. DU PONT DE NEMOURS AND COMPANY 0 0 0 0 0 0 0 2 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 6
FULLER COMPANY 0 1 1 1 0 2 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 0 0 0 0 6
HMI 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 0 0 1 2 1 0 0 0 1 1 0 0 6
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0 1 6
MITSUBISHI JUKOGYO KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 6
MORTON 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 1 0 0 1 2 2 0 0 0 0 0 0 0 6
NITTO DENKO 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 1 2 1 1 0 1 0 6
PEERLESS MANUFACTURING COMPANY 0 2 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 6
ROYAL APPLIANCE MANUFACTURING CO., INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 2 0 1 0 6
SAMSUNG ELECTRONICS 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 1 0 0 0 1 1 1 1 0 0 0 0 1 6
SPENCER TURBINE COMPANY 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 1 0 0 0 0 0 6
STEIN INDUSTRIES, INC. 0 0 0 0 0 0 0 0 1 0 0 2 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
SWISS ALUMINIUM LTD. 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
THE HOLMES 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 0 0 0 0 0 0 0 0 1 2 1 1 1 6
TOSHIBA CORPORATION 0 0 0 0 1 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 1 0 0 1 1 1 6
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 6
WHEELABRATOR-FRYE INC. 0 0 1 0 1 0 1 0 0 0 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 6
A. AHLSTROM 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 1 2 0 0 0 0 0 0 0 0 0 0 5
ABB FLAKT 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 1 0 0 0 0 0 1 1 1 0 1 0 0 5
AIR-MAZE 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 1 1 2 0 1 0 0 0 0 0 5
ALBANY INTERNATIONAL CORPORATION 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 0 1 0 0 0 0 1 0 5
ASAHI GLASS COMPANY, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 5
BRANOFILTER 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 3 0 0 0 0 1 0 0 0 0 1 5
CUMMINS ENGINE CO., INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 5
DYSON LIMITED 0 0 0 0 0 0 0 0 0 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 5
FIGGIE INTERNATIONAL INC. 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
FRAM CORPORATION 0 0 0 0 1 0 0 0 0 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 5
INDUSTRIAL FILTER AND PUMP MFG. CO. 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 1 0 0 1 0 0 0 0 0 0 5
INTENSITY-FILTER GMBH & CO. KG 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 5
ISUZU CERAMICS RESEARCH INSTITUTE 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 1 4 0 0 0 0 0 0 0 0 5
JAMES HOWDEN AUSTRALIA PTY. LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
JOHNS MANVILLE 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 2 1 1 1 0 0 0 0 5
JOY MANUFACTURING COMPANY 1 0 0 0 0 0 0 0 0 0 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 0 0 5
KAWASAKI JUKOGYO KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 5
LA-MAN CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
LTG LUFTTECHNISCHE GMBH 0 1 0 0 0 0 0 0 0 0 1 2 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 5
MCDONNELL DOUGLAS CORP. 0 0 0 0 0 2 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 5
METALLGESELLSCHAFT AKTIENGESELLSCHAFT 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 5
MIL-AN MFG. CORPORATION 1 1 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 0 0 0 0 0 0 5
NFE INTERNATIONAL, LTD. 0 0 0 0 0 0 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 5
ORECK HOLDINGS 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 1 2 2 0 0 0 5
PUROLATOR PRODUCTS 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 2 1 1 1 0 0 0 0 0 5
RESEARCH PRODUCTS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 3 1 0 0 0 0 0 0 0 0 0 0 0 5
SARA LEE CORPORATION 2 0 0 0 0 1 1 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 5
SLICK CORPORATION 1 0 0 0 1 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 0 0 0 0 0 5
TAISEI 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 1 1 1 1 0 0 1 5
THOMAS JOSEF HEIMBACH GMBH & 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 1 0 0 0 0 1 0 1 1 0 0 1 0 5
U.S. FILTER CORPORATION 0 0 0 0 0 0 0 2 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 0 0 0 5


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