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

Patenting In Technology Classes,
Breakout By Organization

Count of 2011 - 2015 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 048, Gas: Heating and Illuminating

( 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 2011 2012 2013 2014 2015 Total
GENERAL ELECTRIC COMPANY 1 9 18 16 23 67
~INDIVIDUALLY OWNED PATENT 13 13 11 10 6 53
SAMSUNG SDI CO., LTD. 8 5 10 1 0 24
SHELL OIL COMPANY 3 4 2 5 3 17
GREATPOINT ENERGY, INC. 1 5 2 6 1 15
IHI CORP. 0 2 4 6 3 15
KELLOGG BROWN & ROOT LLC 2 4 3 1 3 13
PANASONIC CORPORATION 0 5 2 4 0 11
INTELLIGENT ENERGY, INC. 2 1 4 1 1 9
SIEMENS AKTIENGESELLSCHAFT 3 2 2 1 1 9
SOCIETE BIC 2 2 0 3 2 9
INENTEC INC. 0 2 1 1 4 8
IDATECH LLC 6 1 0 0 0 7
IFP ENERGIES NOUVELLES 1 3 0 2 1 7
MCALISTER TECHNOLOGIES, LLC 0 1 0 5 1 7
THYSSENKRUPP UHDE GMBH 0 0 1 3 3 7
AIR PRODUCTS AND CHEMICALS, INC. 1 2 3 0 0 6
RENTECH, INC. 0 2 1 3 0 6
SUNDROP FUELS, INC. 0 0 0 4 2 6
TOYOTA JIDOSHA K.K. 0 3 2 0 1 6
ADAPTIVEARC, INC. 0 0 2 2 1 5
PHILLIPS 66 COMPANY 0 2 3 0 0 5
PLASCO ENERGY GROUP INC. 0 0 3 1 1 5
PRECISION COMBUSTION, INC. 1 0 1 2 1 5
TEXACO INC. 3 1 1 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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