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

Patenting In Technology Classes,
Breakout By Organization

Count of 2009 - 2013 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 518, Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof

( 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 2009 2010 2011 2012 2013 Total
SHELL OIL COMPANY 2 13 1 3 4 23
CHEVRON U.S.A. INC. 0 2 6 2 7 17
SASOL TECHNOLOGY (PROPRIETARY) LIMITED 3 2 3 4 5 17
~INDIVIDUALLY OWNED PATENT 0 0 3 4 7 14
HALDOR TOPSOE A/S 0 1 2 2 3 8
UNIVERSITY OF SOUTHERN CALIFORNIA 0 2 1 1 4 8
JAPAN OIL, GAS AND METALS NATIONAL CORPORATION 0 0 0 2 4 6
RENTECH, INC. 1 0 2 2 1 6
BP CHEMICALS LIMITED 0 0 2 3 0 5
ENI S.P.A. 2 1 2 0 0 5
EXXONMOBIL CHEMICAL PATENTS INC. 2 2 1 0 0 5
IFP ENERGIES NOUVELLES 0 1 1 0 3 5
VELOCYS, INC. 0 2 0 1 2 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/tafp.html
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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