Skip menu navigation Home > Listing of Viewable PTMD Reports > Table of Contents for This Set of Reports


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 1969 - 2004 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 406, Conveyors: Fluid Current

( 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 Total
~Individually Owned Patent 22 14 24 17 14 22 19 13 22 9 18 21 11 5 6 10 10 5 9 8 14 12 18 13 10 4 4 8 6 6 7 8 14 12 11 6 432
SHELL OIL COMPANY 5 7 25 0 2 0 1 1 1 0 0 0 0 1 0 0 1 0 0 0 5 3 0 3 0 0 0 0 0 0 0 0 0 0 0 0 55
CONOCO, INC. 3 0 0 0 2 1 3 9 1 2 3 1 0 1 1 3 6 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 39
ACF INDUSTRIES, INCORPORATED 1 1 2 3 4 1 0 0 6 2 1 1 2 0 2 2 1 2 0 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 34
DIEBOLD INCORPORATED 1 1 3 5 3 2 1 2 1 0 0 0 0 2 0 2 0 0 0 0 0 0 0 1 3 1 0 1 0 1 0 1 0 0 0 3 34
PULLMAN, INCORPORATED 3 2 6 6 2 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 0 21
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 0 4 2 2 0 0 1 1 1 1 1 0 1 1 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 18
OUELLETTE MACHINERY 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 1 0 2 1 2 2 4 3 1 0 16
SIMPLIMATIC ENGINEERING CO. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 2 1 0 5 1 2 1 1 0 0 0 0 0 16
PRECISION METAL FABRICATORS, INC. 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 3 2 1 1 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15
FULLER COMPANY 0 2 0 2 0 3 0 0 0 2 0 0 0 0 0 0 1 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 14
KAMYR INC. 0 0 0 0 0 0 0 1 0 1 0 1 0 3 3 1 2 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 14
MARATHON OIL COMPANY 0 0 0 0 0 3 4 1 4 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 14
NORDSON CORPORATION 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 2 0 0 1 0 2 0 0 0 0 1 2 2 0 0 1 1 0 0 14
WAESCHLE MASCHINENFABRIK GMBH 0 0 0 0 0 0 1 1 0 3 1 0 0 0 0 0 0 0 1 0 1 3 0 0 1 0 0 0 0 1 0 0 0 0 0 0 13
HITACHI, LTD 1 0 0 0 0 0 0 0 1 2 2 2 0 0 1 0 0 1 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
YOUNG INDUSTRIES, 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 1 0 2 1 0 1 2 0 4 12
MOSLER SAFE COMPANY 0 0 1 0 2 3 1 2 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 0 11
RIETER MACHINE WORKS LTD. 0 0 0 0 3 0 1 0 0 0 3 0 0 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 11
DYNAMIC AIR INC. 0 0 0 0 1 0 2 0 0 0 0 1 2 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 10
SWISS ALUMINIUM LTD. 0 0 0 0 0 1 1 0 1 0 1 0 0 0 0 0 2 1 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
CLAUDIUS PETERS AG 0 0 0 0 0 0 0 2 0 1 0 2 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
GOLDCO INDUSTRIES, 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 1 0 3 1 1 0 0 0 0 0 1 9
HAUNI-WERKE KORBER + CO. KG 1 1 2 0 0 1 0 0 0 0 0 0 1 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
PAUL WURTH S.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 5 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 9
AB CENTRALSUG 0 2 1 1 0 1 0 2 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 8
COMBUSTION ENGINEERING INC. 1 0 1 0 0 0 0 0 0 0 0 1 0 0 1 0 1 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
GEORGIA TECH RESEARCH CORP. 0 0 0 0 2 1 0 0 1 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 8
TRUTZSCHLER GMBH & CO. KG 1 0 0 0 0 1 2 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 1 0 0 0 8
C. K. KELLEY & SONS, INC. 0 0 0 2 0 0 0 0 0 0 0 1 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
KYOWA HAKKO KOGYO CO., LTD 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 0 0 1 0 0 0 0 0 0 0 0 7
MITSUI HIGH-TEC, 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 3 3 0 1 0 7
POLYSIUS AG 0 0 0 1 0 0 0 2 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 7
SIEMENS AKTIENGESELLSCHAFT 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 7
AB SVENSKA FLAKTFABRIKEN 0 0 0 0 0 1 1 2 0 1 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 6
ALUMINIUM PECHINEY 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 6
CHEVRON RESEARCH & TECHNOLOGY CO. 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 6
DEERE + COMPANY 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 0 0 0 0 1 0 2 0 0 0 6
DUNDEE CEMENT COMPANY 0 0 0 0 0 0 0 0 0 2 1 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 6
EASTERN CYCLONE INDUSTRIES, INC. 0 0 1 0 1 2 0 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 0 0 0 6
FIBER CONTROLS CORPORATION 0 0 0 2 0 0 1 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 0 6
FLEXI-COIL LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 6
GEMA VOLSTATIC AG 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 3 2 0 0 0 0 0 0 6
KRUPP POLYSIUS AG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
MARCONA CORPORATION 0 0 3 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 6
MOTCH + MERRYWEATHER MACHINERY COMPANY 0 0 0 0 1 1 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 6
UNION CARBIDE CORPORATION 0 1 0 0 0 1 1 0 0 0 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 6
UNISYS CORPORATION 2 1 1 0 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 0 0 6
ALBERT KLEIN KG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 5
ATLANTIC RICHFIELD COMPANY 0 0 0 0 0 0 0 2 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 5
BABCOCK & WILCOX COMPANY 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 5
BECHTEL INTERNATIONAL CORPORATION 0 0 0 1 1 1 0 0 0 0 0 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 5
BERGWERKSVERBAND GMBH 0 0 0 0 0 1 0 0 0 0 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 5
BP CHEMICALS LIMITED 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 0 0 1 0 0 0 0 0 1 0 0 5
BURTON MECHANICAL CONTRACTORS, INC. 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 5
CHRISTIANSON SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 5
COMCO SYSTEMS 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 1 0 0 0 1 0 0 1 0 5
COMMISSARIAT A L'ENERGIE ATOMIQUE 0 1 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 0 0 0 0 0 0 0 0 0 5
CONAIR, INC. 0 0 0 0 0 0 0 1 0 1 0 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 5
CONSOLIDATED ENGINEERING COMPANY, INC. 0 1 0 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 0 0 0 0 0 0 0 0 5
CYCLONAIRE CORPORATION 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
ENGELBRECHT & LEMMERBROCK GMBH & CO. 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
EXXON RESEARCH + ENGINEERING CO. 0 1 0 0 0 0 1 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
FREE-FLOW PACKAGING CORPORATION 0 0 0 0 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
GCA CORPORATION 0 0 0 0 0 0 0 1 0 0 0 0 1 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
GENERAL AMERICAN TRANSPORTATION CORPORATION 2 0 0 0 0 0 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 5
GENERAL CHEMICAL 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 2 0 1 1 0 0 0 0 0 0 0 0 5
HALLIBURTON CO. 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
HAUNI MASCHINENBAU AG 0 0 0 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 0 0 1 1 0 0 5
INFOTRONIC VERTRIEBSGESELLSCHAFT FUER KOMMUNIKATIONSSYSTEME MBH 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 0 0 0 0 0 0 0 0 0 0 0 5
INGENIEURSBUREAU VOOR SYSTEMEM EN OCTROOIEN "SPANSTAAL" 0 0 1 1 0 0 1 0 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 0 0 5
J. M. HUBER CORPORATION 0 1 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 1 0 0 0 0 0 0 0 0 5
MASCHINENFABRIK RIETER AG 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 5
MOLINS LIMITED 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
NORTH AMERICAN CAR CORPORATION 0 0 2 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 0 0 5
PHILLIPS PETROLEUM COMPANY 0 0 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
SMOOT CO. 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 1 2 1 0 0 0 0 0 0 0 5
TEXAS INSTRUMENTS, INCORPORATED 0 0 0 0 1 1 0 1 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 0 0 0 5
XEROX CORPORATION 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 1 0 0 1 2 0 0 5


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMD pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMD reports and materials from : ftp.uspto.gov/pub/taf/


Top

Skip menu navigation Home > Listing of Viewable PTMD Reports > Table of Contents for This Set of Reports