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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2010 - 2014 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 2010 2011 2012 2013 2014 Total
~INDIVIDUALLY OWNED PATENT 23 9 14 19 12 77
ALSTOM TECHNOLOGY LTD 1 14 1 2 3 21
HONEYWELL INTERNATIONAL INC. 2 3 3 5 6 19
GENERAL ELECTRIC COMPANY 2 2 1 7 5 17
COPRECITEC, S.L. 2 2 4 3 4 15
AIR PRODUCTS AND CHEMICALS, INC. 3 0 1 5 4 13
L'AIR LIQUIDE, SOCIETE ANONYME A DIRECTOIRE ET CONSEIL DE SURVEILLANCE POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 2 0 2 2 6 12
SIEMENS AKTIENGESELLSCHAFT 2 1 5 2 2 12
S. C. JOHNSON + SON, INC. 5 2 0 1 1 9
RINNAI CORPORATION 1 2 1 1 2 7
AGA AB 0 3 1 1 1 6
CONTINENTAL APPLIANCES INC 0 0 5 1 0 6
JOHN ZINK COMPANY 0 2 1 2 1 6
BECKETT GAS, INC. 2 1 2 0 0 5
FIVES NORTH AMERICAN COMBUSTION, INC. 1 3 1 0 0 5
GAS TECHNOLOGY INSTITUTE 3 1 0 0 1 5
SHELL OIL COMPANY 2 3 0 0 0 5



PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

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

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/reports.htm
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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