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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 2001 - 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 431, Combustion

( 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 2001 2002 2003 2004 2005 Total
~Individually Owned Patent 69 38 62 52 46 267
BIC CORPORATION 3 7 1 3 4 18
JOHN ZINK COMPANY 1 2 5 5 2 15
ALSTOM (SWITZERLAND) LTD 2 5 6 1 0 14
HONEYWELL INTERNATIONAL INC. 2 5 3 2 2 14
PRAXAIR TECHNOLOGY, INC. 3 3 1 5 2 14
EXXONMOBIL CHEMICAL PATENTS INC. 0 0 0 0 12 12
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 3 1 3 3 1 11
TOKAI CORPORATION 3 0 4 1 3 11
GENERAL ELECTRIC COMPANY 4 4 1 0 1 10
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 1 4 1 2 1 9
CALICO BRANDS, INC. 3 4 1 0 0 8
CARRIER CORPORATION 0 2 2 2 2 8
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 2 3 2 1 0 8
AIR PRODUCTS AND CHEMICALS, INC. 1 0 2 2 2 7
ALSTOM TECHNOLOGY LTD 0 0 0 4 3 7
BECKETT GAS, INC. 2 3 0 0 2 7
GENERAL MOTORS CORPORATION 0 0 1 4 2 7
J. EBERSPACHER GMBH & CO. KG 0 0 0 3 4 7
PRECISION COMBUSTION, INC. 3 2 1 1 0 7
AMERICAN AIR LIQUIDE, INC. 5 0 0 0 1 6
EBARA CORPORATION 0 1 0 3 2 6
NORTH AMERICAN MANUFACTURING COMPANY 2 0 1 2 1 6
POLYCITY ENTERPRISE LIMITED 1 4 1 0 0 6
SOURDILLON 1 0 3 2 0 6
ZEECO, INC. 0 3 1 1 1 6
BATH & BODY WORKS, INC. 0 1 2 1 1 5
EMERSON ELECTRIC CO. 0 2 0 1 2 5
GAS TECHNOLOGY INSTITUTE 0 0 1 2 2 5
NORITZ CORPORATION 0 0 0 2 3 5
SWEDISH MATCH LIGHTERS B.V. 0 0 0 4 1 5
WORGAS BRUCIATORI S.R.L. 1 1 1 1 1 5


PTMB Contacts

Questions regarding these reports should be directed to:

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

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

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


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